Cadillac Transmission

8/16/2019 Cadillac Transmission

http://slidepdf.com/reader/full/cadillac-transmission 1/55

20.1801

20.1410 20.0010

N .lo (N ome Plate)

HYDR M TIC TR NSMISSION

SSEMBLY

LEFT SIDE VIEW SERIES 9 6



HYDRA MATIC TRANSMISSION RO T UNIT COUPLING SERIES 956

20.1573

2 1578 u

20.1577

20.1574



20 1709

20 1717

20 1710

20 1643

20 1626

2 172

2 1627

20 1680

HYDRA MATIC TRANSMISSION RE R DRUM OUTPUT

MAIN

AND INTERMEDIATE SHAFTS SERIES

9 6

20 1627

20 1675

20 1674

20 1695

2 1673



HYDRA MATIC TRANSMISSION RE R LUT H DRUM

NEUTR L

LUT H DRUM

N

CASE ENTER SUPPORT SERIES 1956

/

/ 20.1693

2 169

o

20.1692

20.1664

20.1665

/

14 9

20.1402

20.1401

20.1403



20.1408

20.1738

;

N.lo (Pin)

r ;

§

• 20.1741

P

i N.lo Valve)

N.lo Body)

} f J 1 7 «

N.lo Vane)

N.lo (Ring)

~

~ ~ .

?7

l . Av

..0 ,

.. Zl

l {f .

N.

L Cover)

HYDR M TIC TR NSMISSION FRONT PUMP AND SPR G SERI S

956



20.0423

20.1894

20.1730

20.1883 20.1882 N

Cover)

J

I _

Compon ents of R

or

Pump 20.1870.

I

20.1709 20.17340.1726

HYDRA MATIC TRANSMISSION R R PUMP AND R V RS UNIT SERIES 9 6

20.1727



C DILL C CTION

Page V


~

2 1943

i ~

2 1946

: i J

2 1945

HYDR M TIC TR NSMISSION CONTROL V LVE SERIES

9 6



HYDRA MATIC TRANSMISSION S RV AND ACCUMULATOR SERIES 956

20.1777

.. 20.1771

20.1772 ,

l 20.1774

.il l .. 20.1773

..

N

.L.

(Washer

N.L. (Screw)

20.1778



2 15 5

2 152

2 1522

2 151

2 1513

2 1512

2 1516

2 1517

2 151

HYDRA MATIC DRIVE

TORUS MEM ERS

AND COVER SERIES

9 6 THRU

1953

TYPIC L 1941 1942 1954 1955



O

, , 0 ~ O ° l J O

J

1

O

I I '].0' 0()1

:J o

..

2 75

20.1801

20.1802 20.1805

20.0 195

20.0091 .

20.0102 20.0185

20.0510

HYDRA MATIC TRANSMISSION SE

AND

COVERS SERIES 946

THRU 95

TYPI L 1941 1942; 1951

THRU

1955



HYDRA MATIC TRANSMISSION SERIES 94

TYPI L

OF 942 THRU 955

20 1875

20 0092

8 0931

20

1510

.J

/

20 0067

/

20 1812

20 1625

20 1585

20 1590

20 1610-

20 1817

20 1565

20 1585

20 1587

20 1622

20 1675

20 1860

20 1690

20 2605

2 25 5

20 1720

20 0423

2 42



SERI 1946 THRU 1950

*

Also port of Sn ap Ring Kit, se e Group

20

.0425

t\

25.0380 20.17 11

< 0.

,\-C)

7:>

...

-..Jl

7:> \i

\l

* 0 ........ 1

7:>

7:> 7 :> 7 :> ;:J AI

b /

/ / / D

/

<Y <Y

a- a-

lA

\ ~ T

20. 1594

C)

,, J

b :l

b bQ b ....

0.

o \-

<,

u

\-C) ,\-C) ,\-C)

c )

,\-C)

, > *

20,1610 20.1590

20. 1697

20.1565

20.1680

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* 20

, 0

/V »;

T

~

~

0 0;

«I fe

I OllSr

t

t

20,1700

20. 1656 20.1655

1 \

HYDRA MATIC TRANSMISS ION FRONT

ENTER AND

RE R UNI

TS

SERIES 1946 THRU 9



,C)

,b ,<-:>0, < >

,

> ~ < - : > '0 0<->

0,

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)

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~

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~ C l

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l

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Cl:

b

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1

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0000

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l

25.0380 20.17

11

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,Cl' '),

l

'

}

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l

'

~

~

<1',

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20.1720

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Cl? :Jb J

o

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rv. '-

<-.. t\

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l.

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J),Cl +'

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c>. . •

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1

'

(;;\

.

\

.:

~ .*)J

HYDRA MATIC TRANSMISSION FRONT ENTER AND RE R UNITS SERIES 1941

TYPICAL

942

N.L.

25.0380

0,0,

0, 0 ~ < - : >

0, > 1.<-:>

, '0

, 0

, 0 , 0 , 0 , '0 , 0

r

r

o

- 1



25.0380

I

25.0500

20.1760

\

25.0500

25.0380

20.1765

20.1764

N

lo

Plug

~ 2 1 7 6 3

20.1785

N lo Plug

HYDR MATIC TRANSMISSION FRON T SERVO UNIT SERIES 95

TY CAL

95

3 THRU 1955



l

III

i

20.1831

20.1829

2 1 825 I 2 1 827

20.1826

20.1845

20.1842 20.1855 20.1850

HYDRA MATIC TRANSMISSION

R R

SERVO UNIT SERIES 95 THRU 955

20.1840

M W ~ J

t

20.183 1



HYDRA MATIC TRANSMISSION FRONT

S RVO

UNIT SERIES 9 6 THRU 95

20. 1780 20.1760

25.0500

20.1785

20.1787

25.0380

, , ~ ~ a

, , ~ ~ J

, , ~ ~ ~ , , ~ ~ , , ~ ~ a , , ~ ~ ~

a J ~ a

~ \

~

[

l @ ~ ~

20.1762

e

20.176 1

__l_

20.1768

\

b J ~

~ ~ ~

q q v ~ , , ~

~ r ~ O E . r

r

~

r

~ 4 1 ; ) 8

20.1769

l o ~

N lo

20.1815


R R

SERVO UNIT SERIES

9 6

THRU 95




20.0069

20.006f

20.1807

~ l

2

.1

S IES 9 6

THRU 9 9

DILLAC SE TIO

Page X

HYDRA MATIC TRANSMISSION FRONT OIL PUMP SERIES 9 6 THRU 95

20.1905

20.1903

20.1900

20.1870

20.1882

20.1887

\

20.1890 20.1891

20.1880 . 1

v

q;

/ \ . . . . . - t

25.0380


RE R

OIL PUMP SERIES

9 6

THRU

9

8



20 67

20.0070

20.1740

t

\

20.0066

\Jf

....

j

I

I I

I

20 1744

7 \

N L RING N L SLIDE

N.L. BODY N.

L

ROTOR N.L. RING

N.L. VALVE \. N L

VANE

20 75

20.1741

N.L. PIN

2 1743 a./

HYDRA MATIC TRANSMISSION FRONT OIL PUMP SERIES 1952 THRU 955

TYPICAL OF S RVI PUMP 8614994 S RI S 1946 THRU

195



C DILL C SECTIO

Page X

4 z 20 1893

i

2O

1935

r

20 1915

BRACKET

AND CRANK REVERSE SHI

FTER

SERIES

1946

THRU

1950

20 1900

n ~ ; j d

2 1 9 3 8

25 0380

__

20 1933

I

6 ~

20 1934

BRACKET

AND CRANK PARKING BRAKE

SERIES 1952 THRU 1955

20

1932

t

2O 11J3 4

BRACKET

AND CRANK PARKING

BRAKE

SERIES 1951

: i 1 L

20 1813 0 :

@


2 0 . 0 0 9 2 _

0

1940 _0 1

25 0 500

HYDR M TIC TR NSMISSION HYDR ULIC CONTROL ND RVO UNITS-

SERIES 9 6 THRU 955



20 1875

20 1910

20 1825

20 1882

20 1869 1 8 5 7 ~

t

,

/:

20 1860 20 1841 N lo 20 1.8 42 ~

~

~

/ I ~

~

25 0380

• • ~ 25 0500

N lo

~ ~ ~

< 20 1850

20 1868 20 1851

20 1845

20 1835

r.. 20 1831

20 1829

• 20 1827

20 1829

N

oLS

d

N lo

eat

1 N lo Valve

N loPiston

i]4 N loPiston

Q N loPlug

2

174

C

25 0080

f5

Q,

20 1820

7 6 ~ a

1 7 8 2 ~

1 7 8 ~

~

7 ~

20 1

785 :1

1 7 6 2 ~

20 1767 - C i>

1 7 5 5 ~

20 1759

TIr

@

20 174 0 J M l _ ~

20 1817 __

I

HYDRA MATIC TRANSMISSION HYDRAULIC CONTROL AND SERVO UNITS SERIES 94

TYPI L OF 942




C DILL C

S

TIO

Page

INSTRUCTIONS FOR ORDERING HYDR M

TIC

TR NSMISSION P RTS

When ordering Hydra-Matic transmission replacement parts for

1946-1949

Series

cars

and 19

50 Comme

rcial

Chassis

it will

be necessary

tofirst

identify the

transmission

by

mode l

and un

it number.

Some

orig

nal

equ

ipme

nt

transmissions

are

not

available

for

service replaceme

nt

and

ma

y

have been

replaced

with

later model transm

issions. If

the

original

equipment

transmission has

been

replaced by a

later model, order parts for the transm

ission

unit number model as identified on the fol/ow ing chart instea d

of

by the car

model.

IDENTIFIC TION

CH RT OF

HYDR ·M TIC TR NSMISSION NUMBERS

BY

RS

Un

it

Numbe

rsof

1941 and 1942

series

cars

are

stamped

on

oil

leve

l ind icator side of case at

the

rear next

to extension housing .

Transmission Unit Numbers and

Mod

el

ar Model and Year

41 .

42

.

25041C1-1 thru Cl-18750

1941 CC had letter

S

su

ffix

after unit No .

25042C2-1

thru

C2

-9

77

7

Unit

numbers on 1946-1953

series

cars are

stamped on a name

plate

attached tooil

level

in

dicator

side of

case.

46 .

49 Exc

.

CC

.

49

-50

CC .

50

Exc CC .

50 CC

.

51 Exc CC

.

51 CC .

52 Exc.

CC

.

52 CC .

53 Exc. CC .

53

CC

.

55

Series

60S 62 .

55 Series

60S

62

.

55 Series

75 .

55 CC

.

1946C-1

thru C

-25

683

1947C-25684

thru C-79192

1948C-79193thru C-129840

C9 1

thru

C9 -8931 5

A9

1

thru A9 -59

C50 1

thru C50 -10 1215

A50

1

thru A

50

-

19

6

C51 1 thru C51-107293

A51-

thru

A51 -33

2

C52-1 thru C

52

-89417

A52

1

thru

A52-

44

8

C53-1 thru C53-96840

A51

1

thru

A52-2266

C54

1

thru

C54-9823

4

C55-1

thru

C55

-130

364

CE55

1 thru

CE55

71

47

855-1thru 855-1909

A55-1 thru

A

55

181 8

Un it numbers on 1956 series

cars are

stamped

on

a name

pla

te

attached

to

the

side of

the

case, just to the

rear of the

transmission

throttle

and

manual levers.

56

Ser

ies 60S 62 .

56 Series

60S,

62

.

56 Ser

ies 75 CC .

C56 1 thru

CE56 1

thru

A56-1 thru

NOTE Some 1941 passenger cars were equipped

with

CC type Hydra-Matic trans. These tra ns . are readi ly

identified

by

the letter

S' stamped after

trans.

unitnumber.

When ordering parts

fortheset

ran

s.,

order

the

parts listed

for

1941

CC.

Parts affected are designated

by

reference

to t

his no

te.

The

eng

.

numbers

of

the passenger

cars

on

wh ich these

trans.

were installed are

:

5354256 5367672 5367746 5368028 5368129 5368883 6343482 8359610 8364235 8364700

5367488 5367681 5367923 5368060 5368131 5368893 . 6344964 8363211 836 43 15 8364727

5367586

5367685

5367978 5368109

5368204

5368906 7345000

8364182 8364319

83 64

7

28

5367617 5367702 5368000 5368124 5368777 5369258 7345042



CADILLAC SECTION

ge

2

YE R

AND

MOD

EL


P RT N ME

P RT

NO

NO.

USED

Group 20.0007

BEFOREORDERING

PARTS FOR

HYDRA-MATIC

TRANSMISSIONS SEE INSTRUCTIONS

ON

FIRST PAGE

OF

GROUP 20

ALWAYS USE DELCO TYPE A HYDRA·MATIC TRANSMISSION

FLUID

1

Qt. Can.

. . . . . ... .. . . .. . . . . . . . . . . . . . . . . . . . . .

201-H

5

Qt. Can.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205·H

55 Gal.

Drum

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

255

·H

HOUSING, Flywheel

1956. . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . wBushing and

seal

,

HYD

.

8616545

Group

20.0008 SEAL,

Flywheel

Housing

to

Case

1956. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8616480

Group

20.0010 CASE, Transmission

1

94

6-49;

1950 CC ha

ving

tran

s

serial No.

A9

and C9 prefix

1950 Exc.

CC

having trans. serial

No A9 and

C9 prefix .

1951 .

1952 .

.

1954-55.. . . . . . . .

1956 .

wCenter bearing

cap.

HYD .

wCenter bearing cap. HYD .

wjCenter bearing cap. HYD .

wCenter bea ring cap, line exhaust valve and oil

fillersleeve, HYD ..

wCente r bearing cap and oil filler sleeve, HYD.

Use gasket 8615318 also .

wjCenter bear ing cap, HYD .

wjPlugs, HYD .

8611

451

8611854

8613171

8613984

8615

429

8615474

8616271

Group 20.0020 KIT Transmission Overhaul gaskets, se ls seal

rings)

1946-55... . . . . . .. .

. ..

.. . H

YD

. . ..

.. .. . ..

.. .. .. . .. .. .. . . . . . . . . .. .. .

8617732

1

1956. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..

HYD

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . .

8616908

1

19

46

-4

8models

also

require

1-8609523

torus

cover gasket.

1949-53

models

also requ

ire

1- 86

11

284

torus cover gasket. 195

4

-55 mode

ls

also requi

re

1-8615337 torus cover gasket.

Group 20.0030 VALVE, Line Exhaust, Transmission Case

1952

oefor

e tran

s

un it No. A52

-15

,

C52

-

1478

. . .

HYD

.. . .. .. . . .. . . . .. . . .. . . .. . . . . . . . . . .. .. . . .. . .

8614369

19

52

after t

ran

s.

un

it

No

.

A52-14

,

C52

1

477

.

HYD

.. .. .. .. .. .. .. .. .. .. .. .. . .. .. .. .. . .. .. .. . ..

8614353

Gro

up20.0032 SLEEVE, Line

Exhaust

Valve

1952

. . . . . . .. . . . HYD . 86140

41

Grou

p

20.0034 SPRING,

Line

Exhaust Valve

1952 befo

retran

s un

it No. A52

-15

, C52 1 478.. .

HYD

.. .. .. .. .. .. .. .. . .. .. .. .. .. .. . .. .. .. .. . .. ..

8614050

1952

after tr

an

s. unit

No

.

A52

-14,

C52 1 477

. .. .

HYD

.. .. .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. . .. . .. ..

8614352

G

ro

up

20.004

1

SCREW

Transmission se Center Bearing p

94 55 . . . . . . . . . .. . . . . .. .. . . . l -14x2W ) HYD . 179868

2

Gro

up 20.0042 PLATE Lock, Center Bearing p

Screw

1941

-55

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD : . .. . . . . . . . . .. . . . .. . .. . . . . .. 8609

426

or conte n ts of

Gasket

Seal Repa ir

and

Overhaul Kits and

Packages

see KitSection at f ront of

catalog




C DILL C

SECT

IO

ge

YEAR

ND

MODEL

P RT N ME

P RT

NO

U

Group

20 0060

BEFORE

ORDERING PARTS FOR HYDRA·MAlIC TRANSMISSIONS

SEE INSTRUCTION

S

ON FIRST PAGE.

O F G RO UP

20

Group 20 0046 SEAL Oil Filler Tube

1956. . . HYD .

Group

20 0055

BREATHER Assembly

Transmission

19

52-53.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HY D .

19

54-55. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HY D

.

1956. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HY D .

INDICATOR Oil

Level

1946-51.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . w/Filler cap.

HY D

.. ..

Group

20 0066 KIT Screw and Washer Front Oil Pump

1946-50... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Use with

X

(Inte

rn

al

gear

) Type front pump only.

HY D .

86 16278

86 13726

86

150 14

8616751

8605800

86 10739

19

46-50

;

1

95

2-55 .

1951 .

Use

with

VC. (Variable capacity, vane and

rotor

)

Type front pu

mp only on

1946

-1950 se ries ca

rs

.

HY D

. 86 14360

86 11878

Group 20 0067 RING or

Washer Front

Cover

Oil

Seal

1

94

6-51... . .. .. .. . .. .. .. .. .. . .. .. . . . .. .. .. . Use

with

X (Inte

rn

al gear) Type

front

pump

on

ly.

HYD. (

2

x2 O.D.). . . . . . . . . . . . . . . . . . . . . . . .

86 1126

2

1946-50;

1952-55.. . .. .. . .. . . .. .. .. .. .. . .. . . . . .. .. .. .

Use with

V.C. (Variable capacity, vane and roto r)

Type

front

pump only on 1946-1950

ser

ies cars.

a

thk. , 2 O.D .) HY D .. .. .. .. .. . .. . .. .. . .. 86 13202

Group 20 0069 SCREW

or

Washer

Front Oil

Pump Cover Screw

1946-51.. . . . . . . . . . . . . .. .. .. . . . .. . . .. .. .. .. . (l 4X X

l3

2 ) to body, cop.

HY D

.. . . . . . . . . . . . . . 8611878

1946-55.. . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . .. . .

Screw

(

o

6 -18xYz )w/Spec integral washer, to

case.

HY D

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 504256

Group 20 0070 SEAL Oil Front Cover

1942-5

5.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HYD

. . . . . .. .. . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . 86094

73

19

56. . . In flywheel housing.. .. .. .. .. .. .. .. .. .. .. .. 86 16

197

Group 20 0075 GASKET Transmission se Front Cover

1941-53.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HY D

.

1953-55... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD. For

use

w/Case 8615429 only .

Group 20 0091 COVER Bottom of Transmission Case

1

94

6-51 : . . . . . . .

HYD

.

1952-55.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD .

1955. . . . . .. .. .. .. . .. . .. .. .. . .. .. . .. .. .. HYD. cars w/Dual

carb

.

1956 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. HYD .

8609437

86 15318

8608630

86 13727

86 17188

86 16285

For con tents of asket Seal Repair and

Overhaul

Kits

and Packages

see Kit Section

at

front of catalog



CADILLAC SECTION

Page 4

YE R ND MODEL

HYDRA MATIC

TRANSMISSION

PART NAME

PART

NO

USED

BEFOREORD ERINGPARTS FOR HYDRA-

MATIC

TRANSM ISSIONS SEE

INSTRUCT

IONS

ON FI

RST

PAGE OF

GROUP

20

Group .0092 SCREEN Oil In

BoUom Cover

1946-51. . . . . . . . . . . . . . .

Use

with I.X. Internal gea r Type front pump only.

HYD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8608654

1946-50;

1952-55.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Use

with V C. Variable capa

city

,

va ne

and

roto

r

T

yp

e front pump only on 1946 ·1950 se ries

ca

rs .

HYD

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 861 3216

1956. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 16284

Grou

p 20.0102 GASKET

Bottom Cover

1946 55.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..

HYD

. . . . . . . . . . . . . . . . . .. . . . . . . . . .. .. . . . . . 8608910 1

1956. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD . . . . . . .. . . . . . . . . . . . . . . .

86 16182

1

Grou

p

20.0110

COOLER ASS Y Oil Transmiss

ion

1955. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HYD

,

ca

rs

w

ua

l

carburetors

H.R .. . . . . . . . . . . H

R

8523370

1956/ 60S, 62 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Exc.

Dual carbo

HYD . . . . . . . . . . . . . . . . . . . . . . . . H

R

8523596

1956/ 60S,

62

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . w/Dual carb

.

1956/ 75,

CC

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HR-8523597

Group 20.0117 BODY ASS Y Oil

Cooler

Regulator Valve

1955. . . . . .. . . . . . .. . . . . . .. . . .. . .. . .. . . .. . .. HYD w/ Springand stop cars w/ Dual ca rbureto

rs

.. 8617185

Group

20.0118 CONNECTOR

and

GASKET ASS Y Oil Cooler

1955 . . .

HYD

, cars w/Dual

carburetors

. . . . . . .. . . . . .. . . . . . 86 17172 2

Group

20.0119 SPACER Oil

Cooler

Mounting

to Pan

1955

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..

HYD

,

ca

rs

w

/Dual

ca

rbure

tors

. . . . . . . . . . . . . . . . . . .

49

9

778

2

Group

20.0120 SCREW Oil

Cooler

to Case

1955 . . . . . . . . . . . . . . . . . . . . . . . . . .. . . .. . . . .. ..

HYD

w/Ext. tooth

washe

r

Also use

2

spacers

499

77

8.

cars w

/Dual carburetors . .. . . . . . . . . . . . . . . . . . . . . .

18

7824 2

Group 20.0124

ADAPTER

Oil

Coo ler

1956. . . . . .. . . .. . . .. . .. . .. . . HYD . . . . . . . . . . . . . . . . .. . . . . . .. . . . . . . . . . . . . . . . 8616624

Group 20.0126 WASHER Oil

Coo

ler Adapter to Case

1956. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Copper,

HYD

.

8616498

2

Group 20.0127 GASKET Oil

Cooler

Adapter to Case

1956. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. HYD.. . : . . . . . .. . . . .. . . . . . .

. . . .. . .. .. . . . . . . . .

86 16

496

Group 20.0

128

SLEEVE Oil

Cooler

1956 . .

. . .. . . . . . .. . . . . . . . . . . . . . . .. . . .. . . H

YD

. . .. . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . .. .. . . . . .

8616497

Group

20.0129 . SEAL Oil

Cooler Sleeve

1956. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD. . . . . . . . . . . . . . .. . . . . .. .. .. . . . . . . . . . . . .. . 86 16494

For contents of a sket Sea l Repa ir a nd Overhaul Kits and ackage s see Kit Section a t front of

catalog




DILL TIO

ge

YEAR AND MODEL

PART

NAME

PART

NO

N

U

Group 20 0420

BEFORE ORDERING PARTS FOR HYDRA-MATIC TRANSMISSIONS SEE INSTRUCTIONS

ON FIRST

PAGE

OF

GROUP

20

Group 20 0195

COVER

Transmission Case Side

19

46-50.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HYD

.

1951. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD .

1952-55. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. HYD

.

Group 20 0197

GASKET Side Cover

1946-50. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD .

1951. . . . HYD .

1952-55. . . . .. . . . .. .. .

. ..

.. .. . . . . ..

HYD

.

Group

20 0199

SCREW Side Cover

1946-55. .. . . . . . . . . . . . . . . . . . . . (W'-20xW')

w

Cop

washer,

HYD .

Group

20 0386 SHAFT Main Transmission Drive

NOTE:

For

HYD.

mainshaft

refer toGroup

20.1625

BEARING

On End

of Main

Shaft

1946-5 . .. . . . .. . .. . .. . . . .. . .. . .. Output shaft. In front of extens ion housing HYD .. .

Group 20 0423

RING Retaining Main

Shaft

Rear Bearing

1946-55... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD .

1951-56. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Sna

p ring, to

rea

r housing. HYD .

1956. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Snap

ring, to rear housing. HYD .

Group 20 0435 SPACER

Main

Shaft Bearing

1951-55.. . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . In extension

housing,

HYD .

Group

20 0490 HOUSING

Main

Shaft Extension

860846

2

8611924

8614093

8608556

8611923

8614176

86094 89

ND-3

L07

860

7299

86

11

914

86 14096

8613

039

1

1946-49;

1950 CC having

trans.

serial No. A9

and

C9

prefix

.

1950(Exc.

CC

having trans. serial No. A9

and

C9 prefix

.

1951-55 .

1956 .

HYD

w/Bush

ings

and

shield

..

HYD , w

/Bushings

and shield .

HYD w/Bush ings and shield .

HYD

w/Bushings and

shield

.

8608767

86

11790

86

13068

861 74 24

Group 20 0501 SCREW

Extension

Housing to Case

19

41-50.. . .. .

.

..

( 1-

16x1 ) HYD .

1951-55 .. . . . .. .. . . . . .. . . . . . . . .. .. . . ( 1-16xlYs ) HYD .

1956. . . . . . . .. . . . . . .. . . . . .. . . . . .. .

. . . ( 1-16x1 ) HYD .

1956. . . .. .. . .. .

( -16x2W') HYD .

Group 20 0510 WASHER Extension Housing Screw

1

946

-50.. .. . . . . . . . . . . . . . . . . . Cop.,

HYD

.

Group 20 0512 GASKET

1946-50. . . . . . . .. HYD.

Between

extens ion housing and trans. case .

1951-55... . . . HYD. Between extension housing and

trans. case

.

1956.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD. Between

extension

housing and rear pump .

17

9839

179846

179

844

179848

145 6254

8608488

86 11998

8616348

For contents of asket Seal Repair and Overhaul Kits an d Packages see Kit Section

at

front of catalog



DILL SE TION

Pag e 6

YEAR AND MODEL


PART NAME

PART

NO

NO.

USED

BEF OREORDERING PARTS FOR HYDRA-MATIC TRANSMISSIONS SEE INSTRUCTIONS

ON FI

RST PA

GE

OF

GROUP 20

Group 2

0 0516

OIL

e l

Main

Shaft Extension Housing

1946-56... . .. . .. . .. . . . .. . . Rear. HYD .. .. . .. .. . .. . .. .. . .. . .. .. . . .. .

8614102

Gr

oup 20 0518

COVER

Rear Bearing

Housing

1951-55

.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD . . . . . . . . . . . . . . . . . . .. . . . . . .. . . . . .. . . . . . . . . . . 8613043

Group 20.0519 GASKET Coyer

Rear

Bearing Housing

1951-55

. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD . . .. . . . . . . . . . . . . .. . .

. . . . . . . . . . . . . . . . . . . .

8613044

Group 20 0520 SCREW Coyer

Rear

Bearing Housing

1954-55

.. . . . . . . .. . .. . . . . . . . .. . .. . . .. . . . (W -20Xo/i6 ) HYD. . . . . . . . . . . . . . . . . . . . . .. . . . . . .

179792

4

1951-53

. . . . . .. . . . . . . . .. .. . . . .. . .. .. . x Y s HYD .. . . . . .. .. . . . . . . . . . . . . . . . . . . .

179793

4

20 1

816 Pr

ime Group

Gr

oup 20 1303 LEVER

Shift At

Transm

ission

Outer

1952;

1953 exc.

6267

SX;

1954-55

. . . . . . .. . .

.. . .. . . . . . .. .. ..

. . . .

HY

D. . . . . . . . . . . . . . . . . . . . .

. .. . . . . . . . . . . . . . . . . 861

4091

1953/6267 SX . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. HYD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8613953

Group 20 1305 SCREW Shift Leyer toShaft

1941-55

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(o/t6 -

24x1 ) HYD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1879

52

Group 20

1306

KIT Seal and Washer Manual

Control

Shaft

1941-55

. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. HYD . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

861073

1

Group 20.1400 DRUM

Neutral

Clutch

1956 be fore trans. Nos. C-52888

C

E-6747, A-3277

. . . . . . . . . . . . . . . . . . .. HYD . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . .. . . . . . .. . 8616463

1956 after tra

ns.

Nos.

C-52

88

7

CE

-6746

,

A-3276

.

HYD

.. . .. . .. .. .. . .. . .. .. . . .. . . . . .. .. .. . . . .. . .. .

8617478

Group

20

.14 1 DISC

Neutral

Clutch

1956. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Drve,

w

/Facings

,

HYD . . . . . . . . . . . . . . . . . . . . . . . . . 8616462 5

1956

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Driven

, S., HYD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8616

4

75

4

Group 20 1402 SPRING Neutral Clutch Release

1956

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . .

8616476

5

Gro

up 20

1

403 PISTON Neutral Clutch

1956 beforetrans Nos. C·5288 8 CE -6747, A-3277 HYD .. . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . 8616464

1956

after t

rans

.

Nos. C-52

88

7 CE

-6746

, A

-3276

.

HYD

.. . .. .. . .. .. .. .. . .. .. . .. .. . .. .. . . . . . .. . .. . .

86 16899·

-Use

onl

y on Center

Bea ring Suppo

rtsw

/single step

oil

seal

retaining

edge

.

-Use only on Center Bea ring Supports w/doub le step oil seal retaining edge.

For conte nts of

a

sket Seal Repa ir a nd verhaul Kits

and

Packages see Kit Section a t frant of cata log




DILL SE TIO

ge

YE R ND MODEL

P RT N ME

P RT

NO

N

US

BEFORE

ORDERING

PARTS FOR

HYDRA MATIC

TRANSMISSIONS SEE

INSTRUCTIONS

ON

FIRST PAGE

OF

GROUP

Group

20 1404

RING

Neutral

Clutch Piston

Oil Seal

1956

before

trans.

Nos. C 52888 CE 6747 A 3277 HYD

cast

iron

.

1956 before trans.

Nos. C 52888 CE 6747 A 3277 HYD

cast iron .

1956after trans. Nos.

C 52887

CE 6746 A 3276 .

HYD

KIT rubber lip type .

Use

only on supports w

/single step

oil

seal

retaining

edge.

·Use

only

on supports w

/double step

oil

seal retaining edge

.

8616075·

8616701·

8616919·

Group

20 1405 SUPPORT ASSEMBLY

ase

Center

Bearing

1956 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8616897·

·When

using

in transmissions prior to

Nos. C 52888

, CE 6747 and

A 3277

with cast iron

neutral clutch oil seal ring also use 1 clutch neutral piston 8616899 1 neutral clutch drum

8617478 and

1

seal

kit

8616919.

Group

20 1406 RING

Center Support

Oil

Seal

1956

before

trans.

Nos.

C

52888 CE 6747 A 3277 HYD

. . . . . . . .. . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . .

8616075

3

1956 after trans. Nos. C 52887

CE 6746

A 3276 . HYD . . .. . .. . . . . . .. . .. .. . .. . .. . .. . . . . .. 8616075

Group

20 1407 RING

Center Support to ase Snap

1956 . . . HYD .

Group 20 1408 WASHER Inner Race to Center Support Thrust

1956

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. HYD .

Group

20 1409

KEY Stationary

top

1956

. . . HYD .

Group 20 1410 SCREW Cast

to Center Support

1956.

. .

HYD

.

Group 20 1500

COVER

Torus Fluid Coupling

1946 48 . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD .

1949 53

.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HYD

.

1954

. . . HYD .

1955. . . HYD .

1956

. .

HYD

.

Group 20 1503

PLUG

Drain Fluid

Coupling

Cover

1946 56. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD .

Group 20 1505

GASKET

Fluid

Coupling Cover

1942 48.

.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD .

1949 53 . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. HYD .

1954 55.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD .

1956. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD

seal neoprene

.

8616152

8616097

8616605

8616432

8610260

8614252

8614802

8615687

8616932

8608680

8609523

8611284

8615237

8616338

1

Group 20 1507 GEAR Front Sun

1956 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD . . . . . . . . . . .. .. . .. . .. . .. . . . . . . . .. . . . . . . . . . . . 8616082

For contents of asket Seal Repai r

and

Overhaul Kits

and

Packages see Kit Section at front of cata log



C DILL C

SE

CTION

Page 8

YEAR ND MODEL


P RT N ME

P RT

NO

NO

USED

BEFOR EORDER ING

PARTS

FOR HYDRA-MAliC TRANSMISSIONS SEE INSTRUCTIONS

ON

FI

RST PAGE OF GROUP 2

Group 20 1508 WASHER

Front

Sun Gear Thrust

19

56. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Bronze. To fluid coup

l

ing

driving

assy. HYD

.

1956. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . To fluid coupling drivng

assy. HYD

.

19

56. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Bronze

. To hub. HYD .

19

56. . . . . . . . . .

To

hub.

HYD

.

Group 20 1509 SCREW

Cover

t Flywheel

1956. . . . . . . . . . . . . .. . . . . .. . . . . . . . . . . . . . . . . .

1

6

-24x1 )

HYD

.

Group

20 1510

TORUS and

Hub

Member

Fluid

Coupling

1949-53... . . . .. . . Driven, assembly

less

valve . HYD .

19

49-53.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Driving,

assemb

ly.

HYD

.

1954-55

exc. 6267 SX

.. .. .. .. .. Driven, assembly

less

valve.

HYD

..

1954-55 exc. 6267 SX . . . . . . . . . . . . . . . . . . . . . . . .

Driving

assembly. HYD .

19

55 '. . . . . . . Driven ,

ass

'y

less

valve.

Cars

wjDual carburetors ..

19

55. . . . . . . . . . . . . .. .. . .. . .. . .. . .. . .. . . . .. . Drving assemb ly. Cars w

Dua

l carbu retors .

19

56(exc. dual carb.) .. Driven assy. wValve and

spr

ing. HYD ..

1956(exc. dual carb.) . . . . . . . . .. . . . . . . . .. . . . . Driving

assy.

wjP lanet

pin

ions.

HYD

.

1956 wj dual

carb

.. . . . . .. . . . . . . .. . . . . .. .. . . . Driven

assy.

wjValve spring. HYD ..

1956 wj dual ca

rb

o. .. . . . . .. . .. . .. . . . .. . .. . . . Driving

assy.

wjPlanet pinions.

HYD

..

8616091

8616087

86

16189

861654

8616889

8611541

8611542

86 17226

8617228

86151 41

861

4282

8616604

86

1664

86 16089

8616088

1

1

1

1

24

1

1

1

1

1

1

1

1

1

1

Group 20 1512 VALVE Check Driven Torus

1956. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. HYD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8616062

Group 20 1513 SPRING Driven Torus Check Valve

1946-55.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD .

1956. . .

HYD

.

Group

20 1516

RETAINER Driven

Torus

Check

Valve

1946-53... . . . . .. .. .. . .. . . .. . . HYD .

Group

20

1518

RETAINER Driven Torus

Main Shaft

1941-55 _

_

.

. . . . Snap R

ng 2 ~ 2

I.D.) .

1942-53.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Snap Ring I.D.) HYD .

19

56.. . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

¥a

I.D. snap ring. Driven on ma in

shaft

, HYD .

19

56.. . . .. . . . . . . . . . . .. . . . . .. . . . . .. . . .. .. . . . 1 a

I.D. snap

ring.

Dr

iving. On inte

rmed

iate shaft,

HYD

.

20.161

5 P

rim

e G

o

up

8609508

86 16020

8610018

8613260

8609

434

86 16503

8616

492

1

1

1

1

2

Group

20 1520 NUT Driving Torus Main Shaft

1941 -55. . . . . . . .

..

..

. .. (Ys -1

6)

HYD

8609425

Group

20 1522 LOCK

Washer

Main

Shaft

Nut

1946-55. . . .. . . . . . . . .

.. . . .. . . . . .. ..

Spec

. HYD .

8613734

For contents of Gasket Seal, Repair and Overhaul Kits a nd Packages see Kit Section

at front

of catalog




DILL SECT

Pa

YE R ND MODEL

P RT

N ME

P RT

NO

N

US

BEFORE ORDERING PARTS

FOR

HYDRA-MATIC TRANSMISSIONS

SEE

INSTRUCTIONS

ON FIRST PAGE

O F G RO UP

2

Group 20 1525 GEAR Front Unit r i ~

1946-49;

1950

CC

having trans. serial No . A9 and

C9

prefix

1950 (Exc. CC) having trans.

serial No.

A9 and

C9

prefix

;

1951 . . . . . . . . . . . . . . . . . . . . . . .. . .

1952-54 .

1955

. . . .

1956

. . . . . . . . . . . . . . . . . . . . . . .

w

/Bushing

, HYD .

w

/Bushing

, HYD

.

w

/Bush

ing

HYD .

w/Bushing HYD

.

Internal

w

/Bushing HYD .

8607339

8611736

8613184

8614443

8616040

1941-53 .

1941-53 .

1

94

1-53 .

194 6-55 .

19

46

-55 .

1946-55 .

1956 .

1956 .

1956 .

1956 .

1956 .

1956 .

1956 ..

1956 .

1956 .

1956 .

1956 ..

1956. . . . .

1956. . . . .

1956. . . . .

Group 20 1527

1941

-47 .

Group

20 1535

RING Front Unit Drive Gear Oil Seal

Outer

(2 O D ) HYD .

WASHER Thrust Front Unit Drive Gear

(.097

thk.

)

Steel

HYD .

( 102

thk.

) Steel

HYD

.

(

1

07

thk.

)

Steel

,

HYD

.

(1 818 O D .) Front. Bronze. HYD .

(1 913 0.0. Rear. Bronze. HYD .

S

eel

(.088 thk.) Bronze. HYD .

(.070 thk.) HYD .

(.078 thk.) HYD .

(.086 thk.)

HYD

.

(.094

thk.

) HYD .

( 102 thk.) HYD .

(.1l0 thk.)

HYD

.

(

1

18 thk.)

HYD

.

(

1

26 thk.) HYD .

( 134 thk.) HYD .

( 142 thk.) HYD .

( 150

thk.

) HYD .

(

1

58

thk.

)

HYD

.

( 166 thk.) HYD .

(

1

74 thk.) HYD ..

86 9431

8614105

8614106

861

4107

8609512

86095ll

8609487

8

616703

8616704

8616705

8616706

8616707

8616708

8616709

8616710

8616711

8616712

8616713

8616714

8616715

8616716

A

A

A

A

A

A

A

A

A

A

A

A

A

A

A

A

A

A

Group

20 1540 RING

Snap

Thrust Washer Retaining

1941-55

.... . .. . .. .. .. . .. . . .. .. . .. .. . HYD . . .. .. .. ..

20.1615

Prime

Group

Group

20 1565

PLANET

Carrier

Assembly

Front Unit

8609434

1946-48;

1949(Exc.

CC

)

having trans.

seria l No .

A9 pref

ix;

1950-51(Exc CC) .

1949 CC having trans. serial

No. A9 pref

ix;

1950-51 CC .

1952-53 .

1954 ..

1955 .

w

ntermediate

Shaft, HYD .

w/lnterrnediate

Shaft,

HYD

..

w/lnte

rrnediate

Shaft

Pn

ion

a

nd

Needle Rolle

r

Bearings ,

HYD

.

Shaft P

nion

Needle

Roller

Bearings

HYD

.

Shaft, Pinion Needle Roller Bearings, HYD .

8611858

8611859

8613961

8615049

8615667

Group 20 1572 TORUS ASSEMBLY Front Unit

Coupling

1956. . . . . .. . .. .. .. . .. .. .. .. .. .. .. .. .. .. Dr

iven Assembly w haft. HYD

.

1956. . . . .. . .. .. .. .. .. .. .. .. . .. . .. . .. .. .. .. DrivingAssemb ly. HYD ..

8616154

8616528

For con tents of asket Seal Repair

a nd O ve

rhaul Kits and Packages se e Kit Section at front of cat alog .



CADILLAC SECTION

Page 1


Y AR AND MO DEL PART NAME

PART

NO

NO

USED

BEFOREORDER ING PARTS FOR

HYDRA MATIC TRANSMISSIONS

SEE INSTRUCTIONS

ON FIRST PAGE OF GROUP 2

2

1

1

2

8616479

86

16489

86 16481

8616034

Gro

up

20 1573 RING Front Unit Coupling

Seal

. . . . . . . . . . . . . . . . To Coupl ing Cover. HYD .

. . . . . . . . . . . . . . . . . . . . . On Driven Torus Shaft Hub. HYD .

. . . . . . . . . . . . . . On Driven

Torus

Shaft. HYD .

. . . . . . . . .. . . Front

Pump

to

Torus

Cover. HYD .

1956 .

1956

. . . .

1956 .

1956 .

1956 . .. .

Group 20 1574

SNAP

RING

Front Unit Coupling Cover

. HYD . 8616190

1956

.

1956

.

1956 .

r

oup 20 1575 THRUST WASHER

Front Unit Coupling

. . . . . .

. . . . . . .

HYD .

. . . . . . . . . . . . Bronze. HYD .

. . . . . . . . . . . . . . . . . . . . . . . . . Spacer

Type

,

on Dr

iving Assy.

Hub.

HYD .

86166

46

8616107

8616526

Group 20 1576

1956 .

COVER

ASSEMBLY Front

Unit Coupling

. . . . . . . . . HYD . 8616926

Gro

up 20 1577

EXHAUST VALVE Front Unit Coupling

1956 . . . . . .. . . . . . . HYD .

8616

4 7 2

Group 20 1578 SPRING

Front Unit Coupling

Exhaust

Valve

1956. . . HYD .

86 16406 2

COVER

GEAR

Clutch Front Unit

w Gearand Bush

ing. Fo

r use w/6 Pn Drum .. . . .

r

oup

20 1585

1946-47..

1947-48;

1949 Exc.

CC

having trans. serial No. A9

prefix

;

1950-51 Exc. CC ;

1952-54 .

1949

CC

having t

rans. se

rial No. A9 prefix ;

1950-51

CC

. . .

1955. . .. .

w/Gear

and

Bushing. For w/3 Pin Drum, HYD . .

w/ ear

and Bushing. Fo r w/3 Pin Drum, HYD . . . .

w

/Bushings

HYD

.

8607338

8611 456

8613 76

86155

49

1

1

r

oup 20 1586

1946 55

.

RING Snap Clutch Cover Retaining

.. . . . . HYD .

86

09501

1955 beforet ra ns . N

o

CE 6336 .

1955 after trans. No. CE 6335 exc. 5

5 86

spec

bus .

1955/ 60S, 62 after trans.

No.

CE 6335 .

1946 54 .. .

Gro

up

20 1:87

PISTON

Front Unit Clutch

Drum

HYD. . . . .. .. .. . . . . .

When replacing

cast iron

piston

on

1

94

6

and 19

47

series befo

re t

rans

. No. C75750 use

one addi

tional steel driven Dsc 8603954

HYD .

Exc . Dual ca rbo HYD .

w/Dual carboHYD .

8611259

8615671

8615671

86173

32

1

1

Fo r conte nts of

Gos

ket

Seal

R

ep a

ir and

Overhaul

Kits an d

Packag

es

see

Kit Section

at front

of ca talog



C DILL C SECTIO


Page

YEAR AND MODEL

PART

NAME

PA

RT

NO

N

US


FOR

HYDRA

MATIC

TRANSMISSIONS

SEE INSTRUCTIONS


Group 20 1590

DISC Clutch

Front Unit

Drive

wjFac

ings

.

HYD

( 124 thk.) ..

Drive wFacings. HYD (.097 thk.) ..

1941-54;

1955

be

fore trans. unit CE 6336 ;

1955

after trans.

unit

CE 6335

(exc.

Dual carb.

)

1955j 6 S 62 after trans

.

CE 6335

wjDual

carbo

1941-54;

1955

before trans

. unit

CE 6336

;

1955after trans.

un

it CE 6335 (exc. Dual carb.)

Driven.

Steel (.069 thk.) .

1955j6 S

62

after trans

. CE

6335

wjDual

carbo Dr

iven. Steel (.050 thk.) .

Three

(3) plates used in

1946

models and in 1947 up to trans. unit No.

C 75750

.

-Dr

ive

and

Driven Discs

for

replacement use

in 1941 and

1942 series cars

when unit

has

been

changed from the

original

bronze

drive

and steel driven

discs

to

Krafelt

drive and

steel

driven discs.

8609115·

8617317

8603954 ·

8615593

Group

20 1594 KIT Seal and

Expander

Front Clutch

Piston

1946-54 . . . . . . . . . . . . . . . . . . . . .

HYD

.

1955. . . HYD .

8611029

8615625

0955 .

Group

20 1597 RING

Oil

Seal

Front Clutch Piston

. . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD. Fle to required

gap

.

8617001 A

Group

20 1600 DRUM B rake

Front Unit

1

94

7-55. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

wj3 Pins

,

For

use

with

3

ho

le

cover

,

HYD

. . . .

86114

46

1946-55 .

1

94

6-55 .

Group 20 1610

SPRING

Clutch Release

Front

Unit

Outer

,

HYD

. . . .

Inner

,

HYD

. . . .

8609072

8609071

A

A

A

8609455

8614108

8614109

8614110

8609511

8609511

Group 20 1613 WASHER Thrust

Center

Gear

. . . . . . . . . S. (.088 thk.)

HYD

.

. . . . . . . . . . . (.098 thk.)

Steel. HYD

..

. . . . . . . . . . . . . ( 103 thk.) Steel. HYD. ..

( 108 thk.) Steel.

HYD

.

Rear.

Bz

HYD . . . .

Front.

Bz .

HYD

.

1941 55.

1941 53

.

1941 53.

1941 53

.

1946 55 .

1946

55 .

20.1535 Prime

Group

1

94

1-55. .

1

94

1-55 . . .

Group

20 1615 RING Snap

Th rust Washer Retain ing(1 2

I.D

.) HYD .

Ol

Delivery

Sleeve (1 2

I.D.

)

HYD

.

860943

4

8609

434

1

94

6-55.

Group

20 1620

SLEEVE Oil

Delivery

wjBush

ing

,

HYD

.. .

8611

654

Group 20 1622 RING Oil Delivery Sleeve Oil Seal

194

1 54. . . . . . . . . . . . . . . . . . . . . . . . . .. . . (2 O

D

.)

HYD

.

1955

. (2

O.D.

)

HYD

.

860943

1

8616075

20.1406 Prime

Group

For

contents

of

Gaske

t Seal Repair

an d

Overhaul Kits

and

Packages see Kit Section at front of catalog



CADILLAC SECTION

Page

YEAR AND MODEL


PART NAME

PART

NO

NO.

USED

BE FOREOR DE

RIN

GPARTS FOR

HYDRA-MAliC

TRANSMISSIONS

SEE

INSTRUCTIONS

ON FIRST PAGE OF G RO UP 2

Group

20 1625 SHAFT

Main

Transmission

1946-53. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..

HYD

.

1954-55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD .

1956. . . . . . HYD .

Group20 1626 GEAR Rear

Sun

86 1 712

8614289

8616358

1956. .. .

On Mainshaft.

HYD . 8616357

r up20.1627

THRUST WASHER

Rear Unit

Sun

Gear

1956.. . . .

HYD

.

86 16433 2

1956.

G

r

up2

0 1628 SNAP RING Sun Gear

to

Mainshaft

. . . . . . . . . . .. . . . . . . . . . . .. . . HYD .

2 1

51

8 PrimeGroup

8616503

2

Group20 1643 WASHER

Thrust

Rear Unit

1946-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Bz

., .005 thk.)

HYD

.

19

46-55. . . . . . . . . . . . . . . . . . . . . Bz. 063 thk.) HY D .

194

6-

55. . . . . . . . . . . . . . . . . . . .

Bz

., 0

71

thk.

) HY D .

19

46-55. . . . . . . . . . . . . . . . . . . . . . . . . . .

Bz

., 079 thk.)

HYD

.

1946-55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bz., 087 thk.) HY D .

1946-55. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Bz.

, 095 thk.) HY D .

19

46-55. . . . . . . . . . . . . . . . . . . . . . Bz., 103

thk.

)

HYD

.

1

946 -55

. ..

Bz.

.111 thk.) HYD .

1956. . . . . . . . . . . . . . . . . . . . . .

Bz

., .057

thk.

)

HYD

.

1956

. . . . . . . . . . . . . . . . . . . . . . . . . .. . . . Bz , .062 thk.) HYD .

1956 . . . . . . . . . . . . . . Bz./ .067 thk.) HY D .

1956 . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bz , .0

72

thk.

)

HYD

.

19

56. .

Bz

., .0

77

thk.)

HYD

.

1956. . .. . . .

Bz.

, .082 thk.)

HY D

.

1956. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Bz.

, .087 thk.)

HYD

.

1956. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bz , .092 thk.) HY D .

1956. . . . . . . . . . . . . . . . . . . . . . . . . Bz., .097 thk.) HYD .

Group2

0 1655

COVER

Clutch

Rear Unit

1946

-

47

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . w

jBushing

.

For use

with

6 pin D

rum.

HYD

.

19

47-54. . . wjBushings. For

use

with 3 pin Drum. H

YD

.

19

55. wjBushings

HYD

.

860919

1

8609192

8609193

8609194

8609195

8609196

8609

197

86 9198

8616570

8616571

8616572

8616573

8616574

8616575

86

16576

8616577

8616578

8608773

8611652

8615676

AR

AR

AR

AR

AR

AR

AR

AR

AR

AR

AR

AR

AR

AR

AR

AR

AR

19

46-55.

Group20.1656

RING

Snap Clutch Cover Retaining

.

.

. .. . .. ..

HYD

.

20

1

586 Prime Group

8609501

For c

onten

ts of a sket

Seal

Repai r

and

ve

rhau

l Kits and Packages

see

Kit

Sect

ion at f ron t of cata log




CADILLAC SECTIO

Page

YE R ND

MODEL

P RT

N ME

P RT

NO

U

BEFORE

ORDERING

PARTS FOR HYDRA

-MATIC TRANSMISSIONS

SEE INSTRUCTIONS

ON FIRST

PAGE OF GROUP 20

Group 20 1657 PISTON

Rear

Unit Clutch

Drum

1

94

6-48;

1949

CC having

trans. serial

No. A9 prefix;

1950 CC

exc.

trans

. having

serial No

.

A9 and

C9

prefix ;

1951CC;

1952-54 . When

replacing cast iron

pistons

on 1946

and

1947

series before trans.

No

C-75750 use

one

addi-

tional

steel

driven disc 8603954. Annular, HYD. 8611260

1949 Exc.

CC

having

trans.

serial

No. A9

prefix;

1950/60S, 61

62 ,

75;

1950 CC w/Trans, having

serial

No . C9 prefix;

1951

Exc

CC

;

1954

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Annular, HYD

. . . . . . . . . .. . . . . . . . . . . . . . . . . .

8611520

1955 before

trans

. unitNo.

CE-6336;

1955

after trans

. unit

No.

CE -6335

exc:

dual carb.

.. . .. .. .. . . . . .

Annular, HYD

.. .. . .. . . . .. . .. . .. . .. . .. . .. . .. . . .

86 15672

1955 after trans

. unit

No. CE -6335

wjdual carb . . . . . . . . . . . . . . . . . . . . . . .

Annular,

HYD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

15377

1956. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Annu

lar,

HYD

. . . . . . . . . . . . . . . . . . . . . . .. .. . . . . . . . 8617416

Group 20 1658

RING

s ~ o n

Oil

Seal

1956 . . . .. .. . .. . .. .. .. .. .. .. .. .. . . KIT ,

inner

and outer

seals

.

HYD

. 86 16909

Group

20 1661 KIT Seal and Expander Rear Clutch Piston

1946

-54. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HYD

. . . . . . . . . . . . . . . . . . . . . . .. . .. . .. . . . . .. . . .. .. .

86

11029

1955 . . . . . . . . . . . . . . . . . . . . . . . . . .. . .. . . . . . . . . ·lYD... . . . . .. . . . . . . . . . . . .

. . . .. . .. .. . . . .. 86 15625

20.1594 Prime Group

Group 20 1663

1955

.

RING

Oil

Seal Rear Clutch Piston

..

. . . . . HYD .

8617001

Group 20 1664

DRUM ASSEMBLY

Rear

Clutch

1956. .. .. .. .. .. . .. .. .. .. . . . .. . . .. . .. . . .. .. w/Bushi

ng

HYD . .

8616145

Group

20 1665 SPRAG ASSEMBLY Rear

Clutch

1956. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

86 16213

Group 20 1666

RACE Rear

Clutch Sprag Assembly

1956 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Outer,

HYD

.

Group

20 1667 RETAINER Rear Clutch Sprag and Race

1956

. . . . . . . . . . . . . . . . . .. HYD .

86 16103

8616327

Group 20 1668 SNAP RING Outer Race and Sprag Retainer

1

95

6

HYD

8616057

20.1737

Prime

Group

For

contents

of asket

Seal

Repai r

and Overhaul

Kits

and

Packages

see

Kit Section at f ront of cat alog .



CADILLAC

SE

CTION

Page

YE R

N

D

MODEL


P RT N ME

P RT

NO

NO

USED

BE

FORE

ORDERING

PARTS

FOR

HYDRA

-MAliC


ON

FI

RST

PAGE OF GROUP 20

Group

20 1670 GEAR Rear Unit Internal

1946-55.

HYD. When

used

on

1946-1950

;

1951

before

trans.

unit

Nos.

C51-40534

and

A51-179

series cars,

remove dowel from rear

unit

drum

.. .. . . . . . . . . . . .

8613824

195

6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HYD

. . . . . . . . . . .. . . . . . . . . . . .. .. . .. . . . . . . . . . . . . . .

8616110

Group 20 1671 SCREW

Internal

Gear

to Rear Drum

194

6

-55

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No.

10 24x1

)

HYD

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

114091

2

Group 20 1673 SHAFT lnjermediate

195

6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..

HYD

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8616095

G

roup

20 1674

RING

Intermediate

Shaft

Seal

19

56. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . .. . . . .

8616052

G

roup

20 1675

HUB

Clutch Rear

Unit

1946-55

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . w/Thrustwasher. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8615451

195

6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..

HYD

. . . . . . . . . . .. . . . . . .

. . . . . . . . . . . . . .. . . . . . . .

8616112

Group20 1676 SNAP

RING

Rear

Clutch Hub to

Intermediate Shaft

195

6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HYD

. . .. . . . . . . . . . . . . . . . . . .. .. . . . . . . . .. .. .. . .. . .

8616492

2

0.1

518

Prime

Group

Group

20 1680

DISC Clutch

Rear Unit

1949

Exc.

CC

) having

trans. serial No. A9 prefix;

1950

51

Exc. CC). . . . . . . . . . . . . . . . . . . . . . . . . . .

Drive

w/Facings,

HYD

. .. .. . . . .. . . . . . . . . . . . . . . . . 8609115 7

194

6-4

8;

I

194

9CC

ha

ving trans.

se

ria l

No

. C9 prefix;

1950 CC

exc.

trans.

serial

No.

C9 prefix;

195

1C

C;

195

2

-54

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Drive

w

Facings

HYD

. .. . . . . . . . . . . . . . . . . . . . . . . .

8609115

8

1950CChaving trans. serial

No.

C9

prefix . . . . .

Drive

w/Facings HYD,. . . .. . . . . . . . . . . . . . . . . . . . . . 8609115 7

195

5 before tran

s.

unit

No. CE-6336;

1955after tra

ns

. unit

No

. CE -6335

exc. d

ual

carb.) .. . . . . . . . . . . . . . . . . . . Drive w/Facings, HYD .. .. . .. .. .. . . . . . . . . . .. . 8609115 8

195

5/60

S

62aftertrans. unit

No.

CE

-633

5w/dual varb.. . . .. . . .. .. . Drive w/Facings,

HYD.

.097 thk.) .. . .. . . . . . . . . .. 8617317 9

195

6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Drive

w Facings HYD

.. . .. . . . . . . . . . . . . . . . . . . . . .

8616059

7

1947

after tran s. No.

C75749

;

194

8;

194

9CC

ha

ving trans.

ser

ial

No

. A9 prefix;

195

0 CC

exc.

trans. havingserial

No

. C9 prefix . Driven , S

HYD

. .. . . . . . . . . . . . . .. . . . . . . . . . . . . 8603954 8

1946

;

1947

beforetr

an

s. serial

No

.

C75750;

194

9 Ex

c.

CC) h

av

ing

trans. serial No. A9 prefix;

1950-51

Exc.

CC

) . ... . . . . . . . . . . . . . . . . . . . . . . .

Driven,

S

HYD

.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8603954

7

195

0 having tran s. sreial

No

. C9 prefix . . . . . . . . Driven, S HYD .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8603954 7

1955

bef

oretrans. unit

No. CE-6336

;

1955

after trans. unit

No. CE -6335

exc. dual ca rb.) . . . . . . . . . . . . . . .. . . . . Driven , S HYD . .. . . . . . . . . . .. . .. .. . . . . . . . . . .. . . 8603954 8

195

5aftertrans. unit

No

. CE

-6335

w/dual

ca rb.. . . . . . . . . . . . . . . . . . . . . . . Driven,

S HYD.

.050 thk.) .. ... . . . . . . . . . . . . . . . . 8615593 8

195

6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Driven, S HYD .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8616010

7

20.1590 Prime

Group

or contents of asket Seal Repair and Overhaul Kits and

Packages see

Kit Section at front of

catalog




C DI C SECTIO

Pag e

YE R N

MO EL

P RT N ME

P RT

NO

N

U

Group

20 1690

BEFORE ORDERING PARTS FOR HYDRA-MATIC TRANSMISSIONS

SEE INSTRUCTIONS

ON FIRST P AG E O F G RO UP 2 0

Group

20 1685

PLATE Rear Unit Clutch Pressure

1956.. . . . . . .. . .

HYD

.

SPRING Clutch Release Rear Unit

1946-55. . . . . . . . . . . . . . . . . . . . . . .

Outer, HYD

. . . . . . . . . . . .

1946-55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Inner,

HYD

.

1956.. . HYD .

20.1610 P

rime Group

Group

20 1691

PIN Guide Rear Unit Clutch Spring

1946-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD .

861 6118

8609072

8609071

86

161

32

8609070

Group 20 1692 RETAINER

Rear

Clutch Release

1956. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD . . . . .. . . . . . . .. . .. . . . . . . . . .. . . . . 8616054

Group

20 1693

SNAP

RING

Rear

Clutch

Spring

Retainer

1956. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD . . . . . . . . .. . .. .. . . . . .. .. . . . . . . . . . . 8616060

Group 20

1695

WASHER Thrust Rear Unit

Clutch

Hub

1946-55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Bz

HYD . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8609497

1946-55. . . . .. Between hub and snap r

ing.

Used

on

1953 after

trans.

unitNos.

A53-2154

and

C53

-76658.

Use

for

rep lacement

on 1946-1952; 1953 before

trans.

_ units Nos. A53-2155 and

C53

-76659 when rear

clutch

hub

has

been replaced

with

8615451 hu b

w

/Washer.

.. . .. . .. .. . .. ..

. .. . 861 5568

195 .. .. .. .. .. .. . .. . .. ..

. .. . . .

HYD..

.. .. .. .. .. .. . .. .. . .. . .. 861

6173

Group 20 1696

1952-55. . . .

RING

Snap Rear Clutch

Hub

Retaining

1941-55.. . .. .. . . . .. .. . .. . . .. . . . . . 1 ~ 4 I.D.)

HYD

.

20.1615

Prime Group

Group 20 1697

DRUM

Brake Rear Unit

1946-

47.

.. . .. . . . . . . . .. .. w/6

Pins.

For

use

with

6

hole cvoer

,

HYD

.. .

1947-

51

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . w/3 Pins. For use

with

3 hole cover. On 51

/60S

, 61,

62 75 after trans. unit No . C51 -40533 and 1951

CC

after

trans.

unit

No. A51

-178 remove dowel

8610729. HYD .

w/3

Pins.

For

use with

6

hole

cover.

On

51

/60S

, 61,

62 75 after

trans

. unit No . C51-40533 and 1951

CC after trans

. unit

No

.

A51

-178 remove dowel

8610729.

HYD

.

1956. . . . .. . . . . .. . . . .. .. . . . . . . . . . . . . . . . . .

HYD

. . . . . . . . .. .. . . . .. . .

Group

20 1700

PLANET

Carrier

Assembly

Reverse

Unit

1946-50. .. .. w/Bz

gear,

HYD ..

1951-55. . .. .. w/Bz gear, HYD ..

1956. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . w

/Gear

. .

-On

transmissions

before unit

No

. C-2100 also order 1 gear 8616484 Group 20.1721.

8609434

860

8790

8611445

8613990

8616119

8608186

8611960

8616845

For contents of asket Seal Repair and

Overhaul

Kits and Packages

see

Kit Section at front of

catalog



CADILLAC SECTION

Page 6


YE R ND MODEL

P RT

N ME

P RT

NO

NO

USED

BE FOR

E

ORDERING PARTS FOR HYDRA

-MATIC

TRANSMISSIONS

SEE INSTRUCTIONS


Group

20.1704

19

51-55 .

SPACER

Reverse Carrier

Assembly

.357

thk.

)

HYD

. . . .

86

13

11

3

Grou

p20

.1709

19

56..

1956.

SNAP

RING Reverse

Unit

Retaining

Reverse Unit, HYD . (12 164 I.D.) . . .

. . . . . . . . . . . . . Flange to Drum, HYD .

8606763

861 6015

2

2

20.1717 Prime Gro

up

1956..

Grou

p

20.1710 FLANGE Reverse Unit

Drive

. .. w/Gear and Bushing,

HYD.

8616220

Grou

p

20.1711 SCREW Flange

to Brake

Drum

194

55. . . . . .. . . . . . . . . .. . . . . (51i6 -18xlW HYD .. .

1798 22

6

G

ro

up

20.1715

GEAR

Reverse Unit Center

1946-55 . . . . w

/Bushing,

flange and

retainer,

HYD .. .

8608765

19

4

6-5

5.

Group

20.1717 RING

Snap Center Gear

Retaining

12 164 I.D.)

HYD

.... .

8606763

Group

20.1718

19

56/ 60S,

62

.. . . .

SEAL

Drive Shaft

Retaining

Ring

HYD .. .. ..

86 16504

Grou

p20

.1719

1946-55.. .

1946-5

5. .

WASHER Thrust

Center Gear

..

. . .. Bz .

HYD

.. ..

. .. . . . . .. .. .. . .

.. .

S

,

HYD

..

8608658

8608761

Group 2 172 SHAFT

Driven

1946-

49;

195

0 CC having trans. serial

No.

A9

an d C9

pref

ix .

1950

E

xc. CC having trans. serial

No

. A9

and

C9 prefix .

1951-55.. . . . . . . . . .

195 5. . . . . . .

195

6/60S,

62

.

1956/75, CC . .

w

lanetcarrier,

HYD . . . .

w/Planet

carrier,

HYD .

w lanetcarrier,

HYD

.

w

lanet

carrier, HYD .

w lanetcarrier,

HYD

.

w/Planet

carrier,

HYD .

8610

71

5

8611863

86 119

16

8617197

86 17421

86 16860

1

1

1

8608597

8615449

861

5449

86

16843

Group20.1721 GEAR

Reverse

Internal

. .. . .. . .. . HYD .

w

/Bushing,

spri

ng

and

four

pronged

retainer, H

YD

HYD

.

w/Bushing and Flange, HYD .

On transmissions

befo

re unit

No

C-2100 also

order

1Planet

Carrier

Assy. 8616845 Group

20.1700

.

19

46-50 .

195

1-5

5 .

195

4. . .

195 6.. .. .

1941-50. . . .

Group

20

.1723

RING

Inte

rn

al

Reverse

Gear

Retaining

. . . . . . . . . . . . . . .

2Vs

I.D.)

HYD

.

8609602

For contents of

Gasket Seal

Repair and

Overhaul

Kits and

Packages

see Kit Section at f ront of

catalog




CADI

LL

AC SECTI

Page

YE R ND MODEL P RT N ME

PART

NO

U

Group 20 1726


FORHYDRA-MATIC

TRANSMISSIONS

SEE INSTRUCTIONS

ON

F

IRST PAGE

OF

GROUP

20

Group

20 1724

WASHER Thrust

Internal

Reverse

Gear

19

51

-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . Bz .,

HYD

.

1956. . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . .

Bz

.,

To Rear

Pu

mp

,

HYD

.

Group

20 1725 SUPPORT Internal

Reverse

Gear

1946-49; 1950 CC

hav

ing trans. serial No . A9

and C9

prefix. . . . . . . . . . . . . . . . . . . . . . HYD .

1950 Exc.

CC

) having trans. serial No . A9 and

C9 prefx. . . . . . . . . . . HYD .

SPRING Reverse Piston Release

1956. . .. . . Wave Type, HYD .

8613114

861

6069

8608745

8611758

8616221

Group 20 1727

PISTON

Reverse Clutch

1951 -55. HYD . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 11934

1956 before trans. nos. C-42339, CE -5859,

A-2993 . . . . . . . . . . . . . . . .. wjPlate

an

d

Inserts

HYD .

8616606

1956 after trans.

nos

.

C 42398 CE-5858

,

A-2992 . . . . . . .. .. . . . .. . . . . . . . . . . . . . wjPlate

an

d Inserts

HYD

. 8617371

Use

only on

Rear Pumps wjsingle step oil seal retain ing edge.

-Use only

on Rear Pumps wjdouble step oil seal retaining ed ge .

Group

20 1728

KIT Seals

Piston

Reverse Clutch

1

951-5

5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HYD

.. . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . 8613 275

Group

20 1729

RING Snap Piston Extension Housing

1951

-5

5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

s I.D.)

HYD

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8611980

Group

20 1730

CONE Reverse

Clutch

1951-55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8611937

1956. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD.. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8616755

Group 20 1731 KEY Reverse Clutch Cone

1951-55

HYD

. . . . . 8611936

1956. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HYD

. . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . 8616605

20 .1409 Prime Group

Group

20 1732

RING

Reverse Piston Oil

1956before trans.

nos

. C-42399 CE-5859 A-2993 Inner, HYD Cast Iron) .

19

56before

trans

. nos. C42399, CE -5859, A-2993 .

Outer

,

HYD

Cast Iron) .

19

56

afte

r trans.

nos

. C-

42398 CE

-

5858

, A-2992 KIT,

rubber type

li

p HYD

.

Use

only

on Rea r Pumps w s ingle step oil

sea

l

retaini

ng edge.

-Use only on Rear Pumps w/doub le step oil seal

retain

ing edge.

8616048

8616014

8616925·

For contents of asket Seal Repa ir and verhaul Kits and Pa

ckages

see Kit Section a t front of catalog



CADILLAC S TION

Page

Y R N

MODEL

HYDRA MATIC

TRANSMISSION

PART NAME

PART

NO.

NO.

USED

BEFOREORDERING PARTS FOR HYDRA-MATIC TRANSMISSIONS

SEE INSTRUCTIONS

ON FI RST PAGE OF GROUP 2

roup 20.1734

SPRING Reverse

Clutch

Release

1951-55. . . . . . . . . .. .. . . . . . . . .. . . . .. . . . . . . ..

Coil

type 1l J2 Ig.) HYD .

1951-53. . . . . . . . . . . . . . . . . . . . . . . . . . . .. . .. .. .

l

gap) Friction type

(3

I.D.)

HYD

.

1951-55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(W gap

)

Friction

type

(3

I.D.

)

HYD

.

1956.. . . .. . . . . .. .. . . . . . . . . .. . . . . Star Type, HYD .

Group20.1735 RETAINER Reverse

Clutch

Release

Spring

195 1-55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . For

coil

type

spring

, HYD .

195 1-53 . 2 Prongs for friction

type spring

, HYD .

195

1-5

5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Prongs for friction

type

spring, HYD .

8611958

8611972

8615314

8616222

8611985

8611973

8615316

6

1

1

1

1

1

1

Group20.1737 SNAP RING Front Oil Pump

Spray

Assy.

Retainer

1956 HYD.. . .. .. . . . .. . . . . . . . . . . . . . 8616057

Group20.1738 SPRAG ASSY.

Front

Oil

Pump

1956. . . . . . . . .. .. . . . . . . . .. . . . . . . . . .. . . .. . . . HYD . . . . . . .. .. . . . . . . . . . . . . . .. .. . . . . . . . . . . . . . 8616208

Group20.1739 RACE Front Oil Pump Sprag Assy.

19

56.. . . . . . .. . .. . . . .. . . . . . . . .. . . . .. . . . .. . .

Inner HYD

. . . . . .. . . . . . . . . .. . . . . . . . . . . . . . . . . . .

86 17448

roup20.1740

BODY

OR PUMP

Front Servo Unit and

Oil Pump

NOTE: When this

new

type V C Variable Capacity , Vane and Rotor) pump is

installed on

1946-1951

series

cars a new

pressure regulator

Kit G

o

up

No. 20.1801

)

must also be

used; for

series

1946 1947 1948, 1949 Exc. CC) use Kit 8614982; 1949 CC use Kit

8614983

; for

series

1950

Exc.

CC

)

use

Kit

8614984

; for

ser

ies

1950

CC

use

Kit

8614987;

for

series

1951 Exc.

CC

)

use

Kit

8614989

; for

series 1951

CC

use

Kit

8614993.

1946·50 . Kit

V.C.

Variable capacity, vane and rotor) type

pump w

/Cover

seal

slide

,

rotor

vanes,

valves

rings

pipe

and screen, HYD .

1951.. . . . . . . .. . .. . . . . .. . .. . Pump w/Cover gears, oil

seal

and rings HYD .

195 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Kit, VC . Variable

capacity

vane

and rotor

) type

pump w/Casket

pipe and

screen assy. HYD .

1952-55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pump assy. HYD .

1956.. . . . .. .. Pump Assy., HYD .

On

cars with

cast

iron over

run

clutch oil

seal rings

,

also

order 1 overrun clutch piston

86

16896

and

1oil seal

ring

Kit 8616918.

ro

up

20.1741

SPRING

By Pass

Valve

Front Oil Pump

1946·50. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Use with LX . Internal gear)

Type

front pump only,

HYD .

1946-50; 1952-55. . . .. .. . . . . . . .. . . . . . . . . . . . .

Use

with

V.C.

Variable

capacity

vane

and rotor

)

type front pump only on 1946·1950 series

cars

HYD

.

1951. . . . . . .. . . . HYD .

1955. . . . . . . . . . . . .. .. . .. . . . . .. . . . .. . . . . . HYD after approx . Eng . No. 26920 .

1956. .. HYD Feed Valve , .

8614994

8614996

8614996

8613262

8616884

8609517

8613898

8611822

8614896

8616467

1

1

1

For co ntents of asket

Seal

, Repair and Overhaul Kits and Packages see Kit Section at

front

of catalog .




CADI

AC SECTIO

Page

YE R

AN

D

MODEL

PART NAME

P RT

NO.

N

U

1951. ..

1955

.

19

46 50 ; 1952 55 .

BE FOREORDERINGPA

RTS

FORHYDRA MATIC TRANSMISSIONSSEEINS TRUCTIONS

ON FI RST PA GE OF

GR

OUP 2

Group 20.1742 VALVE By Pass

Front

Oil Pump

19

46

50

. . Use with I.X. Internal gear type

front

pump only,

HYD .

Use with V.

C

Variable capacity, va ne, and rotor

type front pu mp on ly on 1946 1950 series ca rs,

HYD . . . . . . .

. . .. . . . . HYD .

HYD, afterappro x Eng. No 26920 .

8609516

8613900

8611823

8

61

4897

1956 .

Group 20.1743

1946 50

; 1952 55 .

GUIDE

Front

Oil

Pump By·Pass

Valve

Use with

V

C Variable

capacit

y, vane

and rotor

type front pump only on 1946 -1950 series ca rs

HYD. . .. . .. .. . . . . . . . . . . . . .

Feed Valve Spring,HYD . . .

86138

99

8616465

Group 20.1744 SPRING

Front

Oil

Pump

Priming

1946 -

5

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . U

se

with V C Variable capacity,

vane

and

roto

r

type front pump only on 1946 1950 series cars,

HYD .

195

2 5

3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD . .. . . . .. . . .

1956

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Kit. .

Group

20.1747 SPRING

Front

Oil

Pump Coole

r

By·Pass

Check Valve

8614954

8613198

8616928

1956 .

. .. .. .. . .. HYD . 8616466

Group 20.1751 LL or Key

Front

Pump

Drive

Gear

19

46 49 .

1950 55

.

Key, HYD ..

Ke

y, HYD... . .

8609496

86

94

96

Group

20.1752 WASHER

Front

Oil

Pump

Locating

19

46

55 . .. . . .. . .. .. .. .. HYD .

Group 20 1754 RING

Front Pu

mp to

Fro

nt Un itTorus

Cover

8609486

1956 . .. . . . .. .

.. . .. . HYD . 8616030

HYD .

HYD. . . . . . . . . . . . . . . . . .

HYD. .. .. . . . . .

HYD. . . . . . . . . . . . . . .

Group

20.1760

CYLINDER Front

U

nit Brake

Release

19

46

49 ;

1950

CC having trans. seria l No. A9

andC9 prefix .

1950 Exc, CC

havin

g trans.

serial

No. A9

and C9 prefix; 1951 ..

1952 .

1953 55

.

8609

492

86118

52

861411 7

8

61

4777

Fo r contents of s ket Se l R

ep

ir a nd O ve rh u l Kits

nd

Pa ck g es se e Kit Section t fr ont of c t log



DILL S TION

Page

HYDRA MATIC

TRANSMISSION

Y R AND

MODEL

PART NAME

PART

NO.

NO.

USED

8EFOREORDERING PARTS FOR HYDRA-MATIC TRANSM ISSIONS SEE INSTRUCTIONS

ON FIRST

PAGE

OF

GROUP

20

HYD

.

w/Plug

and pins , HYD .

w/Plug and pins , HYD .

Group20.1761 BODY Front Servo Unit

1946-49;

1950 CC

having

trans. serial No. A9

and

C9 prefix. . . . . . . . . . . . . . . . . . . . . . . . . . . . w

/Check

Valve , HYD .

1950

Ex

c. CC

) having

trans. se

rial

No

.

A9

and C9 prefix ; 19

51..

.

1952

. . . . . . . . .

1953

-54 . . .

1955 before

tra

ns.

No

.

A-552403

8-552640, C-5568974, CE-555636 . . . . .

w/Plugs

and Pins HYD . . . . .

1955

after

tra

ns . No .

A-555402

8-552639,

C-5568973

,

CE

-555636. . . . . w/P

lugs and Pins

,

HYD

.

86107

46

8611742

861 4399

8614833

8615630

8617291

1

1

1

w/Pin

sleeve

and

rin

gs

,

HYD

.

Group

20.1762

PISTON Front

Servo Brake

Apply and Compensating

1946-49;

1950

CCha

vin

g

trans. serial No

.

A9

and

C9

pref

ix .

1950 Exc.

CC

) having trans. seria l No .

A9

a

nd

C9 prefix; 1951.. . . .. . . .. . . .. . . . . . .

w/Pin,

sleeve and rings, HYD .

1952. . . . . .

w/Pi

ns

,

sleeve, rings and spring, HYD .

1953-54;

1955 before

trans

. Nos. A

-552

403 ,

8

-5526

40

, C-5 568974 , CE-555636 . . . . . KIT,w/Pins sleeve and rings, HYD .

1955after trans . Nos. A-552402,

8-

5526

39 , C-55

68

9

73, CE

-555635 . . . . .

KIT

, w/Pins , s

leeve

a

nd

rings , HYD . . . .

Also required 861 4

412 Ret

racting Spring.

86095

39

86118

46

86144

05

861 4779

8617273

1952.. . .

Gro up

20.1763 GASKET Cylinder

to Front Servo Unit Body

.

HYD

.

861 4377

Group

20.1764

VALVE Overrun Control Front

Servo

1952

. . . . . . . . . . . .

. .

HYD

. ..

1953-55. .. . . . . . . . . .. . . . . . . . . HYD. . . . .. .

8614053

8614793

1

1

1

861 405

4

86

1

4791

8615660

G

ro

up20.1765 SPRING Overrun Control Valve

. . .. . . . .. . .. . .. .. .. .. HYD .

. .. ..

..

HYD

.

.. . . . .. . . . . . . . . . . . . . .

HYD

.

1952.

1953-54 .

1955 .

Group

20.1766 PIN or

PLUG

Overrun

Control

Valve

1952. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pin

HYD

.

1953-55. .. . Pn, HYD .

1953-55. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Plu

g,

HYD

.

861

4186

86 14136

861

41

42

1

1

1

RING

Front

Unit Brake Apply Piston Oil

Seal

.. . .. . . . . . . . . . 1l5 16

X

3

h2 ) HYD .

Group20.176

194

6-

51 .

1952-54;

1955

before trans. Nos. A-552403,

8-5526

40

, C5568974, CE-555636 .. . ..

1955after trans.

Nos

. A-55

2402

8-

55263

9, C

-5568973

CE

-555635

. . . .

WIi6

X 2

HYD .

Y2

X 2

) HYD .

86023

12

861 4122

8617268

For co nt

ents

of asket

Seal

Repair and Overhaul Kits and Packages see Kit Section at f ronl of catalog



DILLAC SE TI

HYDRA MATIC

TRANSMISSION

Page

YEAR AND MODEL

PART NAME

PART

NO.

U

BEFORE

ORDERING

PARTS FOR

HYDRA-MATIC

TRANSMISSIONS

SEE INSTRUCTIONS

ON FIRST PAGE OF GROUP

2

Group

20.1768

194

6-

52. . ..

RETAINER

Spring

Front Servo

Valve

. . . . . . . . . .. . .. . . .. . . . . . .

HYD

.

86

13733

Group

20.1769

V VE

4 3

Downshift Front

Servo

1946-5

1 .

1952 .

1953

-55 .

HYD

.

HYD

.

HYD

.

8609116

8614126

8614792

1956 ..

Group 20.1770 BODY

Servo

and Accumulator

. . . . . . . . .. . . w/Dowel HYD

.

-On

cars prior to

trans.

No. C32200 and A-2539 also use

1

acc

umulator

t

rimmer

valve 8617513. Group

20.1776

86 16936·

Group

20.1771

PISTON

Accumulator

1956 HYD

. 86 16836

Group

20.1772 RING SEAL Accumulator Piston

1956

. . . . . . . . . . . . . . . . .. Ring

HYD

.

1956. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Seal

HYD

.

8616031

8616636

1956

.

Group

20.1773 COVER

Accumulator

. . ..

.

..

. .

..

HYD

.

8616638

1956

.

Group 20.1774

GASKET Accumulator

Cover

. ..

. .. . . . .. . . .

HYD

.

8616639

86

16851

8617469

86 16852

SPRING

Accumulator

Piston

Outer

HYD

.

Group

20.1775

1956 .

1956/ 60

S

62

w/dual carb;

1956/75,

CC

. .. . . .. . . Inne r,

HYD

..

1956.

..

Trimmer

Valve

HYD

.

Also used

on 1956 Models

60S 62 less dual

carbuertors

to

eliminate

2-3 slippi

ng

cond

ition

.

HYD

.

HYD

identified by raised

ridge on center

of va

lve

Group 20.1776 V VE Accumulator

Trimmer

1956 before trans

.

Nos

.

C-32200

,

A-2539 exc.

dual carb;

1956/60S

62

w/dual carb

o

1956 after

trans.

Nos. C-32199

A

-2538

exc.

dual

carb .

8616837

8617513

For contents of

Gasket Sea

l Repair

and Overhaul

Kits

and Packages se e

Kit Section

at

front of

cata

log



CADILLAC

CTION

Page

Y R

AND M

OD L


PART NAME

PART

NO

NO

USED

BEFOREORDERING

PARTS

FOR

HYDRA

-MATIC

TRANSMISSIONS

SEE INSTRUCTIONS

ON

F

IRST

P

AGE OF GROUP 20

Grou

p

20

17

77

PLUG

Accumulator

Trimmer

Valve

1956

. . .. . . . . . . .. . . . . . . . . HYD . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . .

86 166

45

Group2

0 17

78

PISTON ASSEMBLY Servo

1956.

. . . . . . . . . . . . . . .. .. HYD.. . . . . . . . . . . . . . . . .. . . . . . . .. . . . . . . . . . . . . . 86161 40

Grou

p20 1779

RING Servo Piston

195

6 , HYD . . . . . . . . . . . . . .. . . . . . . . . . . .. . . . . . . . . . . . . . . ..

86160

48

Gr

oup

20

17

80

PISTON

F

ront Unit Brake Release

194

6

-4

9; 19

50

CChaving

tran

s

se

r

ia

l

No. A9

and

C9 prefix. . . . . . . . . . . . . . . . . . . . . . . . . . . .

HYD

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8609458

195

0 Exc. CC)

havin

g trans

seri

al

No

.

A9

and

C9 prefix; 1

951

; 1953-

54

.. . . . . . . . . . . . . . . . . .

HYD

. . . . . . . . . . . . . . . .. . . . . . . . . . .. . . . . . . . . . . . . . . .

86

11849

Gr

ou

p

20 17

81

SPRING

Servo

1956 HYD

. . . . . . . . . . .. . . . . .. . . . . . . .. .. .. . .. . . . .. .. .. .

86 16156

G

ro

up

20 17

82 RING Brake

Release Piston

Oil

Seal

1941 -4

9; 1950CChavingt

ran

s. serial

No. A9

an

d

C9

p

re

fix. .

3 J

z x1

o s

)

HYD

.. . .. . .. .. .. . .. .. .. .. .. .. .. . .. .

860946

4

195

0 Exc,

CC

)

havi

ng

trans

.

se

r

ia

l No .

A9 and

C9 prefix; 19

51;

1953-55.. .. . . .. . .. .. .. .. ..

h z x1W )

HYD.. . .. .. . .. .. .. .. .. .. .. . .. .. . .. .

8611851

1952.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3 Jz

x1

3

6 HYD

.. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8609440

§

201589 Prime

Gr

oup §20.1905 Prime Group

Gro

up

20

17

83

VALVE

Line

Exhaust Front Servo

1953-

55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HYD

. .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . .

861

4

79

4

20.1855 Prime

Group

Gro

up

20 17

84

SPRING

Line

Exhaust Valve Front Servo

1953-5

5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HYD

.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . .. .

861 4352

1

2

0 0

0

34 Pr

ime

Group

Grou

p

20 178

5

SPRING

Front

Servo

Retracting

1941-51

;

1953-5

5. . . . . . . . . . . . . . . . . . . . . . . . . . .

HYD

. . . . . . . . . . .. . . . . . . .. . . .. . . . . . . . . . . . . . . . .. . .

8609

4

49

195

2

HYD

. . . . . . . . . . . . . . . . . . . . .. . . . . . .. . . . . . . .

861

4

412

Group 20 17

86

RETAINER Exhuast

Valve

Spring

Front

Servo

1953-55

. . . . . . . . . .. . . .. . . . . .. . .. . . ••. . . . . ..

HYD

. . .. . . . . . . .. .. . .. . . . . .. .. . .. .. . .. .. . .. . .

861 417

4

For

conte

nts of Gasket, Sea l, Repa ir and Ov erhaul Kits a nd ackages see Kit Section a t f ront of catalog




CADILL TIO

Page

YEAR AND MODEL

PART NAME

PART

NO

U

BEFORE ORDERING PARTS FOR HYDRA-MATIC TRANSMISSIONS SEE INSTRUCTIONS


Group

20.1787

RETAINER

Front

Servo

Retracting

Spring

1941-49;

1950 CC

having

trans. serial

No A9

and

C9

prefix.

. . . . . . . . . . . . . . . . . . . ..

HYD

.

1950 (Exc,

CC having

trans. serial No.

A9

and

C9

prefix

;

1951; 1953 -55 HYD

.

Group

20.1788

BODY Front Servo Valve

8609545

8611848

1953-54.

. .

1955

.

wjSleeve, HYD .

w

jSleeve

,

HYD

.

86148

84

861 5650

Group 20.1789 SPRING

Front

Servo Unit Booster

1941-51

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HYD

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8609474

1953-54;

1955

before

trans .

Nos.

A

-552403,

B-552640,

C-5568974,

CE-555636 . . . . . HYD . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 861 4816

1955

after

trans.

Nos. A-552402,

B-552639,

C

-5568973, CE -555635

.. .. .. .

HYD

. .. . .. . .. . . .. .. .. .. . .. . .. .. .. 8

617274

Group

20.1790

SCREW

Valve

Body

to Front

Servo

Unit

Body

1953 -55.

.. . . . . . . . . . . .. . . . . .. .. . .. .. .. .. . .. (No. 10-24x )wjLockwasher, HYD .

1953-55.

.. . .. .. .. . .. .. . . .. . .. . .. . .. .. . .. . .

(No

.

10-24x1W

w

Lockwasher

, HYD ..

Group 20.1791

PISTON

Overrun Clutch

1956

before

tra

ns. Nos

.

C-33160, CE-4661

,

A-2539

HYD

.

1956 after

tra ns

Nos. C

-33159

,

CE-4660, A-2538 HYD

.

*Cast iron for use only on

front

pumps wjsingle step oil seal ret

ain

ing

edge.

Useonly on

front

pumps

w

double step

oil

seal retain ing edge

.

Group 20.1792

RING OIL SEAL

Overrun

Clutch

1956

before trans. Nos.

C

-33160,

CE-4661 ,

A-2539

Inner,

HYD

.

1956

before

trans.

Nos. C-33160, CE-4661, A-2539 Outer, HYD

.

1956 after trans. Nos. C

-33159,

CE-4660, A-2538 SEAL

Kit,

Rubber Lip Type, HYD .

*Cast

iron

for use only on

front pumps

wjsinglestep oil

seal

retaining

edge.

Use

on

ly

on front pumps

w

double step

oil

seal

retaining

edge.

Group

20.1793

PLATE

ASSEMBLY

Overrun Clutch

1956. .. .. .. . . . .. .. .. .. .. .. . .. . .. HYD .

454027

454776

8616

146*

86 16

896

8

61

6043*

86160

09*

8616918

861

7447

Group

20.1794 SPRING

Overrun

Clutch Release

1956

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HYD..

. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

86

16

20

9

For contents of

asket

Seal Repair

and

Overhaul Kits and

Packages

see Kit Section at f ront of ca ta log



DILL TION

Page


AR AND MODEL

PART

NAME ·

PART

NO

NO

USED

BEFORE

ORDERING

PARTS FOR

HYDRA-MATIC


ON

FI

RST

PAGE OF GROUP 20

8611234

8614982

8611798

8614984

8614987

8611811

8613604

8613962

8614989

8614993

1

8614133

1

8614977 1

8615456 1

8615620

1

8616027 1

8616904 1

wjP in, HYD.

Use

with

LX.

Internal

gear

type front

p

ump only

.

Kit, wjGasket, plugs and spring,

HYD

. Use

with

V.C.

Variable capacity, vane and

rotor

type front

pump only

.

wjPin,

HYD. Use with LX. Interna

l

gear

type front

pump

only

.

Kit, w

jGasket,

plugs

and spring, HYD

. Use

with

V.C. Variable capacity,

vane

and rotor type front

pump only

.

Kit,

wGasket, plugs

and

spring, HYD.

Use

with

V.C.

Variable

capacity,

vane and

rotor

type

front

pump only .

wjPin,

HYD. Use

with LX . Internal gear type front

pump only .

Kit, w

jGasket,

seal and plugs, HYD. Use with

8613124 LX.

Internal

gear

type pump only

. . .

Kit, w

jGasket,

seal and plugs,

HYD. Use with

8613124 LX. Internal gear

type

pump only . . .

Kit,

wGasket,

seal

, plugs, spr ing,

valve and

cush ion

assy.

Use

j86 996 V.C

.

Variable capacity type

front pump

package

only .

Kit, wGasket, seal, plugs ,spring ,valve and cush ion

assy,

Use j86 996 V.C. Var

iable

capacity

type

fron t pump

package

only .

Kit,

w

Gasket

,

seal,

plugs and

spring,

HYD

.

Kit, w

jGasket,

seal, plugs and spr

ing, HYD

.

Kit,

w

jGasket, seal,

plugs and

spring, HYD

.

Kit, w

jGasket

, seal, plugs and

spring, HYD

.

PLUG pressure regulator valve .

Reg

ulator

Assy .

1950

E

xc. CC .

1950

E

xc. CC .

1950

CC .

1946-48;

199

4 Exc.

CC

..

Grou

p

20 1801

PLUG

Oil

Pressure Regulator Valve

1946-49; 1950 CC ha ving trans.

serial No

.

A9

and

C9 p

re

fix .

195

0CCexc . tr

an

s. having

serial No

.

A9

and C9

p

re

fix .

1951

E

xc. CC .

195

1 Exc. C

C

.

1951 CC .

1952

.

1953

.

1954

.

1955 .

1956

.

1956 .

1951CC .

Group 20 1802 GASKET Oil Pressure

Regulator

Plug

1946-49;

1

950 CC

..

1950 51

Ex c.

CC

;

1952

-56 ..

1950

Ex

c. CC ; 1951-55 ..

Fiber

, HYD ..

Rubber , HYD .

Cop., HYD ..

8609515

8611804

8611827

Group 20 1805 VALVE

or

PLUG

Oil

Pressure

Regulator

1946 51

.

1956

.

1950

Ex

c.

CC

.

1950-55 .

Valve,

HYD.

.. .. .. . . . . . . . .. .. . .. . . . . . . .. .. . 8608611

Valve,

HYD

. ..

. .. .. . .. . 8616202

P

ug. Use

wjLX. Internal gear type front

pump

only , HYD . . . . .. .. . .. .. .. . .. . .. .. . . . 8611802

Ball,

rear pump

check , HYD. . . . . . . . . . . . . . . . 169158

o r contents of Gasket

Seal

Repa ir

and

Overhau l its

and

Packages see itSection at f ront of catalog



C DILL C SECTIO

HYDRA MATIC

TRANSMISSION

Pa ge

YEAR

AND MODEL

PART NAME

PA

RT

NO

N

U

BEFORE ORDERING PARTS FOR H Y D R ~ M T I C TRANSMISSIONS SEE INSTRUCT IONS

ON FIRST

PAGE

OF GROUP 20

Group 20 1807 SPRING Oil Pressure Regulator

1946-49 Ex

c

CC

. . . . . . . . . . . . . . . . . . . . . . . . . . .

HYD

.

1950 Exc.

CC

. . . Use with LX . Internal

gea

r type

pump only

,

HYD

19

51 Exc, CC

, . . . . . . . . . . . . . . . . . . . . Use

j86 3

4 LX

. Internal gear

type pump on

ly,

HYD .

1951

CC

.. . . . . . . . . .

.. .. . . . . . .

. . . . . . .. Use

j86 3 4

LX. Internal gear

type pump only

HYD

.

1952-53 CC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD .

1950 53 Exc. CC ; 1954 . . . . . . . . . . . . . . . . . . . . . HYD. Use wjV

.C.

Variable capacity,

vane

and rotor

type front pump only .

1955 . . HYD .

1956. . . . . . . . . . . . . . .. .. . . . . . . . . . .. . . . . . . . . . HYD .

86

09052

8611860

8613235

8613137

8614214

86 13271

86 15659

8616204

Group

20 1808

PLUG Pressure

Regulator

Spring

t p

1956. . . . . . . . . . . . . . . . ..

. . . . . . .. . . .. . . . . . HYD . 8616205

Group 20 1809

PIN

Pressure Regulator Valve

t p

1956. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . .. HYD . 8616206

8606941

8611770

8608738

86 095

07

8611 922

8611963

8613234

8614128

861

4715

86148 17

861 49 44

8615655

8617186

8616283

8616281

Front oil pump to screen , HYD .

Front oil pu mp to front servo, HYD .

Front servo to rear oil pu

mp

, HYD .

Front servo to rear oil

pump

, HYD .

Transfer pressure regulator

reverseoil, va

lve

body

to

case W

O D

.

HYD

.

Transfer,

reverse

clutch oil, valve body to case

Ys OD .

HYD

.

Front oil pump to screen

HYD

.

Front servo to rear oil pump,

HYD

.

Transfer pressure regulator

reverse oil, valve body

to

case

W 6 O

D.

HYD .

Transfer,

pressure

regulator

reverse

oil,

valve

body

to

case l,

6 O D

.

HYD

.

Rear

servo to front servo ,

HYD

.

4-3

valve

feed, HYD .

Fron t servo to rear oil pump. Cars wjDual carbu

retors .

Front Oil Pump to Screen , HYD .

Rear Oil

Pump

to

Sc

reen , HYD .

Group 20 1811

CLIP Front

Pump Intake Pipe

1956

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. HYD at oil screen .. . . .. . . . . . . . . . . . . . . . . . . . . . . . . .

8616561

Group

20 1812

PIPE

Oil

1946 51 .

1946 55 .

1946-49; 1950 CC

hav

ing trans.

ser

ial No . A9

and

C9

prefix .

1950 Exc

CC

hav ing trans.

serial No.

A9 and C9

pref

ix; 1951.. .

1951

.

1951-55 .

1951 55 . . . . . . . . . .. . .

1952 55. . .

1952

.

1953 55 .

1953 54 .

1955 .

1955 .

1956

.

1956 .

Group 20 1813

GASKET

Front Oil Pump Intake Pipe

1

94

6-51. . Use with LX. Inte

rn

al

gear

type front pump only,

HYD .

1946 50 ;

1952 55

. . . . . . . . . . . . . . . . . . . . . . . . . . . Use with VC . Variable capacity , vane and

rotor

type f

ront pump

only on 1946 1950 series cars.

Rubber sea l, HYD .

1956

.. . .

Front

pump HYD .

1956

.. . . . ..

Rear pump

, HYD ..

8609490

8613

199

8616279

8

616280

1

1

1

For

contents

of asket Seal Repair and Overhaul Kits and Packages see Kit Section at f ront of catalog .



C DILL C CTION

Pag e

YEAR

AND MODEL


PART NAME

PART

NO

NO

USE

D

Gro

up

20 1818

BEFOREORDERING PARTS FOR HYDRA-MATICTRANSMISSIONS SEE INSTRUCTIONS

ON FI

RST PAGE

OF

GROUP

20

Gro

up20 1814

PLATE

Lock Intake Pipe Screw

1946-51....

HYD

.

Gro

up20 1815 FITTING

Front Servo Oil Pipe

194

1-49;

1950

CC havingtrans. serial No.

A9 and

C9 prefix... . .. . . . . .. .. .

HYD

.. . ..

1950(Exc.

CC

havingtrans . serial

No

.

A9

and C9

prefix ;

19

51...

. HYD .. .. . .

1952 . . . . . . . . . . . . . . . . . . . . . H

YD . Also

useas

seat

for

check va lve

Grou

p20

1618 SCREW Intake Pipe to

Front Oil

Pump

1946-53.. .. .. . .. . .. .. .. ..

Y4

20xW

)

HYD .

1954-55. . .. . . .. .. .. . .. .. . .. . . . . .. .. . .. . .

Y4

-20X

9

/1

6 )

HYD

.

Grou

p

20 1817 BAND Brake

Front

Unit

1946-55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HYD

.

SPRING Check Valve

Servo

Front

19

50-55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HYD

.

8609531

8609418

8611743

8614125

179793

179792

8615224

8611744

2

2

4

.

Group

20 1820

1

94

2-55..

SCREW Front Unit Brake Band Adjusting

-20x2

)

HYD

8609584

Grou

p20 1825

BODY

Rear

Servo Unit

1946-50. . . .

w/Plug , HYD

.

195 . ..

w/Plug, HYD..

1952.. . . .. . .. .. . . . .. .. .. .

HYD

..

1953-54. . . . . . . . . . . . . . . . . . . . . .

HYD

.

1955 . . . . . . . . .. .. . .. . .. . .. . .. . . . . . . .

HYD

..

Group20 1826 GASKET Rear

Servo

Unit

Body

1952-55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD .

Grou

p

20 1827 PISTON and

PIN Rear

Servo Booster

19

46

-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HYD

.

Group

20 1829 RING

Booster Piston

Oil Seal

1941-55. . . . . . . . . .. . . . .. . . .. .. . .. .. . . ( 2 x2Y4 ) HYD

1946-55. .. . .. . .. .. .. .. . .. .. .. .. . .. . . .. . . ( 2 X1

1 J

6 )

HYD.

8610748

8613269

8613142

8614974

8615678

861

3159

8610752

8609445

8609446

1

1

1

1

1

For conten ts of G asket Sea l Repa ir nd O verh u l Kits nd ck ges see Kit Section t fro nt of c t log




C DI

LL

C

SECT

IO

age

YEAR

MODEL

PART NAME

PART

NO

P

BEFORE ORDERING PARTS FOR HYORA-MATIC TRANSMISSIONS SEE INSTRUCTIONS

ON FIRST

PAGE

OF GROUP 2

1946-55

.

1946-55.

Group 20 1831

SPRING Booster Piston

Inner

( 0.0.) HYO . .

Initial

15116

0.0.)

HYO

.

8609061

8609480

Group

20 1837

1952.

1953-55

.

VAL

VE Exhaust

Rear

Servo

. . . . . . . . . . HYO .

.

HYO

.

8611842

8614886

1952

.

1953-55 .

Group

20 1838

SPRING

Rear Servo Exhaust Valve

. . . . .

YO

.

. HYO . . . .

8611715

8614858

Group

20 1840

1946-50 .

95 .

1952

.

1953 -54.

1955

BODY Rear

Servo

Unit Accumulator

w

/Check

valve

and

plunger

HYO

.

w

/Check valve and plung

er HYO . .

w

/ Check

valve

and

plunger

HYO

.

w Check va lve

and plunger

HYO .

w/ Check valve and plunger, HYO .

8610749

8613158

8614044

86 14856

8617286

8610745

8613949

8614877

86 7326

CHECK

VALVE

Rear

Servo

w

/Rivet

,

HYO

.

w/Rivet HYO .

w/Rivet HYO .

w/Rivet

HYO

.

Group 20 1841

1946-51 . .

1952

.

1

953-55

exc. dual ca rb .

1955

/60S

62 , w/dua' carb

Group 20 1842

1946-55.

PISTON and PIN

Rear

Servo

Accumulator

. . .. . .. . .. . . HYO . . .

8610751

1942-55 ..

Group 20 1845

RING

Accumulator Piston

Oil

Seal

( z x2 )

HYO

.

8611581

Group 20 1850

1946-55 .

PISTON

Rear

Servo Compensator

.. . . . .. . .. . Wth

(1 4 Spring

HYO .. .

8613764

Group 20 1851 RING Compensator Piston

Oil

Seal

1946-50 ; 5 before t

rans

. uni t Nos. C51-53721

and A51-259 . . . .. . . .. . .. . . . . . .. . z x1W ) HYO

8609452

Group

1853

94 -52

.

1953-55 .

PLUNGER

Rear

Servo Check

Valve

.

HYO

.

. . . . . . . . . . . . . . . . HYO .

8609619

8614859

Group

20 1855 SPRING Accumulator Piston

NOTE:

For

5 64 0.0.

spring

see Group 20.1850

1941-54

.

Main

initial HYO ..

1955 . . . . Main initial

HYO

.

8611794

8617217

94 -55 ..

Group

20 1857

RETAINER Accumulator Piston Spring

.. . .. .. . .. . HYO . 86

09470

For

contents

of asket

Seal

Repai r and Overhaul Kits and Packages see Kit Section at

front

of cat a log.



CADILLAC SECTION

Page


YE R

MODEL

PART NAME

PART

NO

PER

R

B

EF

ORE

ORDERING

PARTS

FOR HYDRA-MATIC TRANSMISSIONS SEE INSTRUCTIONS

ON

FIRST PAGE

OF

GROUP 20

Group

20 1860

BAND

Brake

Rear Unit

1946-51. w/Strut,

HYD

.

1952-55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . w/ Strut, HYD .

1956. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD .

Gro

up20 1861

SPR ING Release Rear Unit Brake Band

19

52

·55... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD .

8607477

86139

24

86

16092

86

15089

Grou

p

20 1862

LEVER

Brake

Band

Actuating

1941-55 HYD. .. .. . .. .. . . .. . . . . .. .. .. . .

.. . . .. . . ..

8609600

Grou

p

20 1863

PIN

Brake

Band

Actuating Lever

1941-

55

HY

D. . . . . . . . .. . . . . . . . . . . . . .. .. . . . . . . . . .. . . . . . . .

86

13172

Grou

p

20 1865 ROLLER Needle

Bearing

Actuating Lever

Pin

1941-55 HYD . . . . .. .. . . . . . . . . . . . . .. . . .. .. . .. .. . .. . . . . .. .

4404

83 18

(UseHyatt 7

450

0

49

or74

5005

0)

Group

20 1869

SCREW

Rear Unit

Brake Band

Adjusting

1941- i5

. .. .. .. .

.. . .. .

z

20x2

Yz

HYD

.. ... .. .. .. .. . .. .. .. .. .. .. .. .

86095

84

20 1

820 Pri

me

G

o up

Group 1870

PUMP

Oil

Rear

Unit Assembly

194

6-

55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HYD

. . . . . . .. . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . 8

61

5624

1956. HYD .. . .. . .. . . . .. . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . 8617366 *

*On

car

swithcast i

ro

nreverse

pi

ston

oil

seal

r

ings

,

also

o

rder

1reverse

clu

t

ch

p

isto

n

861

7

37

1-Group 20

.1727

,

and

1oil

seal

kit, 8616925- Group

20 .1732.

Grou

p

20 1871

GASKET

Rear Pump to Case

195

6 HYD .. .. . .. .. .. . .. . . . .. .. .. .. . .. . .. .. . .. .

8616

3

47

Group20 1882 GEAR Driven Oil Pump

and

Governor

1946-55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . w/Pins, HYD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 10744

1956. .. .. . . . . . .. .. . .. . . . .. .. . . .. . . . . w/Bushing HYD 8

61

6350

Grou

p20

1883

GEAR Drive Oil

Pump

and

Governor

1941-55. . .

. . . . . .. . . . . . . . . . . .

. .. . . . . .

Bz

, HYD. . . . . . . . . . . . . . . . . . . . .

. . . . . . . . .. . . .

8609

42

8

1956 ,

HYD..

. . . . . . . . . . . . .. . . .. . . . . . . . . . . . . . . . . . . . . . . . 8

61

6

344

Group

20 1884

BALL Locking Drive Gear

1941-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1

6

d

iam.

)

HYD

. . . . . . . . . . . .. . . . . . . . . . . . . . .

ND 650

2

Group

20 1886 RING

Snap Dr

ve

Gear Retaining

1941·55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD . . . . . . . .. . . . . . . . . . . .. . . . . . . . . .. .. . . . . .. .. . .

8609

422

For con te nts of a sket, Seal, Repa ir a nd

verhau

l Kits

and Packages see

Kit Section

at

fron t of

catalog

.




CADILLAC SECTIO

ge

YEAR

MODEL

PART NAME

PART

NO

PE

BE

FORE

ORDERING

PARTS

FOR HYDR MATICTRANSMISSIONS SEE INSTRUCTIONS

ON FIRST

P GE

OF

GROUP 20

Group

20.1890 COVER Rear Unit Oil Pump

1941-

48

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HYD

1946-52. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . For LX

pump

HYD

1953 -55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . For LX pump

HYD

Group

20.1891 BOLT Cover Rear Unit Oil Pump

194

6-55 ' . . . . . . . . . . . . . . . . . . . . . . .

Y4 -20xo/s

) HYD fo

r

LX

pump

8609556

8614704

86

4704

86 4

82

4

1

1

1

4

Group

20.1892

PIPE

Oil Transfer Rear Servo Unit to Front Servo Unit

1946-55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD 8609459

Group 20.1893 FLANGE Rear Unit Governor

Drive

1946

-55. . . . . .. . . . . .. . .. . . . . . . . . . .. . . .. . . . .

w/Pins

HYD

8607755

Group 20.1894

KEY

Governor Drive Flange

9

56

. . . . . . . .. . . . . .. . . . . . . .. . . .

. . .. . . . . .

HYD

8616501

Group 20.1895 PIN Governor

Drive

Flange

1946-55. . . . . . . . . . . .. .. . . . . .. .. .. . . .. .. .. . . Straight 3 6 x

W

HYD

Group

20.1900 GOVERNOR

ASSEMBLY

Rear Unit

1941-51. . . . . . . . . . . . . .. . . . .. . . . . . . . . . . .. . . . HYD

1952

-55.. ..

. . . . . . . .. .. . . . . . . . . . . . . . . . . . HYD

1956 , HYD

Group 20.1902 G2 GOVERNOR Weight Kit

1946-51. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

w

/Bushin

g plun

ger an

d

retain

er

Us

e only on

alu

mi

nu

m

governor

HYD

Group 20.1903 SLEEVE Governor Oil Delivery

1941-50 ' . .. .. . . . . . . . HYD

Group 20.1905

RING Governor Sleeve

Oil

Seal

941-56. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (

2

xl 3 J

6

HYD

Group 20.1907 PLUG Governor Oil Delivery Sleeve

1946-50. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. HYD

Group

20.1910 PIPE Governor

Oil

Delivery

1946-51. HYD

1952

-55. .. . .. .. HYD

95 HYD

1953-55. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HYD

103726

86144 25

8615062

8616353

86107

40

8609436

8609440

8608657

8609435

8609435

8614038

861

47

89

4

3

2

1

1

Group 20.1912

LEVER ASSEMBLY

Parking Brake

1956 HYD 8616183

For contents of asket , Seal , Repa ir and Overhaul Kits and Packages see Kit Section

at

f ront of ca talog .



CADILLAC SECTION

age


YE

R

MODEL

PART NAME

PART

NO

PER

R

BEFOREORDER ING PARTS

FOR

HYDRA MATIC TRANSMISSIONS SEE INSTRUCTIONS

ON

FIRST PAGE OF GROUP

20

Group

20 1913

BRACKET ASSEMBLY

Parking Brake

1956 HYD . . . . . . .. . . . 86 16184

Group

20 1914

SPRING

Parking Brake Lever

1956 HYD .

Group20 1915 BRACKET and CRANK Reverse Shifter and

Parking Brake

1946-50. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Less

piston a

nd

spr

ing

,

HYD

.

1951. .

. . . . . . . . .. . . . . . . . . . .. . . .. . .. . .

Less

piston

and

spring

HYD

.

1952 -55 HYD .

Group

20 1916

SCREW

Reverse

Shifter

Bracket

1946-55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0/16

18

x2 Vt6 ) HYD .

Group 2

1918

SHIM Reverse Shifter

Bracket

1946-50. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S / HYD .

Group

2

1920 LINK

Parking Brake

1956.

HYD

.

Group

20 1921 CLEVIS

PIN

Parking

Brake

1956. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. HYD .

Group20 1922 SPACER Parking Brake

1956

. . . .

HYD

.

1956 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . For bracket. HYD .

8616186

8611760

8613506

8614077

1866

43

86 10

468

86

16888

86 16 136

861616

4

8616185

1

1

1

2

AR

2

3

1

1

Group

20 1925

ROLLER Reverse

Shifter Crank

1941

5

5

HYD

. . . . . . . . . . .. .. . . . . . . . . . . .. . . . . . . . . . . . . . . . . . 8609594

Group20 1929 PIN

Parking Brake

Anchor

1956 . . . . . . . . . . .. .. . . . . .. . . .. .. . . . . .. HYD . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . 86161

71

Group2 1930 ANCHOR Reverse Gear and

Parking

Brake

1946

-50. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. HYD .

1951 5

5

HYD

.

1956 . . . . . . . . . . . . . .. . .. . . .. . . .. . . . .. . . . HYD .

Group20 1931 BOLT Reverse

Gear

Anchor

1946 50. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD .

1951-55.

HYD

.

8609761

8611929

8616143

8608996

8611961

1

1

1

1

1

Group20 1932 LOCK Reverse Gear

Anchor

Bolt

1946-55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD . . . . . . . . . . . . .. .. . . . . . . . . . . . . . . . . . . .. . . . . . . .

8609022

For co ntents of Ga sket Seal Repair and Ove rhaul Kits and Packages see Kit Section at fr on t of ca talog




CADILLAC SECTIO

Page

YE R

MODEL

P RT

N

M

P RT

NO

P

BE FOR EORDERING PARTS FOR

HYDR

A

·MA

TICTRANSMISSIONS SEE INSTRUCTIONS

ON F

IRST PAGE

OF

GROUP 20

Group 20 1933

PISTON

Blocker Reverse

Shift

Lever

1946·50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . H

YD

.

1951 ·55

. .. . . . . . . At park ingb

rake leve

r endofshaft, HYD .

1951 . . .. . .. . . . . . . . At reverse gear anchor pawl en d of shaft, HYD .

1952

-55. . . .. At

rev

er

se

g

ea

r

anch

or pawl end of shaft, HYD .

8611768

86131 77

86 11

982

86 14080

8613811

8613086

861 4081

Group

20 1934

195 1·55 ..

1951. .

SPRING

Piston Blocker

At

pa

rking

brake

l

ev

er

end

of shaft, HYD....

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . At reverse gearanchor pawl

end

of shaft. On se ries

51 /60S,

61, 62, 75 before t

ra

ns.

un

it

No. C5

1·

10951 an d1951 CC beforetrans. unit No. A51-51,

a

lso

use1st

op 86 13

8

10

, H

YD

.

1951·55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . At reverse

gear

anchor pawl endof shaft. On se ries

51 /60S

, 61, 62, 75 bef

ore

trans. unit No.

C5

1·

10951

and

19

51

CCbe fore

tran

s.

un

it No.

A H

1,

al

so

u

se

1

stop

86

1

38 10

,

HY

D .

Group 20 1935 SPRING Reverse Gear Anchor Retracting

1946-50 . . . . . . . . . . . . . HYD. . . . . . .

1951·55 , HYD .

8609130

861

3179

Group

20 1936

PIN

Blocker

Piston Stop

1951·55

.. . . .

.. . . . . . At parking b

rake

lever endof sh

aft,

H

YD

... .

861317

3

1952-55 At reve rse gear anc

ho

r pawl end of sha ft,

HYD

.. . 103679

Group

20 1937

1951.

STOP Blocker Piston Return Spring

. . . . . . . . . . . . . . . . . . . . . . . . . . . HYD, at

reverse

gea r anchor p

aw

l

end

of shaft, on

se ries

51 /60S, 61,

62

, 75 before trans.

uni

t No .

C51-10951

a

nd

1

951

CC

bef

ore tr

ans.

unit

No

.

A5H1, a

lso

use1spring 8713811 .

86 1381

0

Group

20 1938

RETAINER

Blocker

Piston

Pin

1952-55 HYD .

8614082

86

11672

8611927

86131 29

8613732

861

5513

8617264

86

1

7279

100114

1

063

20

1063

23

8613914

BODY ASSEMBLY

Front Servo

Exhaust

. . . . . . . . HYD,w alve spring a

nd plu

gonendof co ntrol

val

ve

Group 20 1941

Group 20 1942

Group

1940

CONTROL

Valve

Assembly

1946

-50

Exc. CC . . .. . . . . . . . . . . . . . . . . . . . . . . . HYD .

1

951

Ex

c.

CC ,

HY

D .

1

951

CC. . . . . . . . . . . HYD .

1952

. . .

.. . . HYD .

1953 -

54

. . . . . . . . . . . . . . HYD. . . . . . . . .. . . . . . . . . . .. . . . . . .

1955. HYD, Exc. cars w/ Dual carburetors .

1955

.. .. . .. .. . . . . . . .. . . . .. .

. . . . . .. .

HYD

,

Cars

w

/Dua

l

ca

r

bu

re

tors .

1951.

SCREW Control

Valve

to Case

1941 -55

.. . .. .. . . ..

.. .. . .

Y41

·20

x2 )

HYD ... . . . . .

1956. Y41·20xYs ) HYD .

1956

. . .. .. . .

Y4

·2

0x2Y4 )

HYD ..

For contents of

a

sket Seal Repa ir and verhaul Kits and Packa

ge

s see Kit Section at f ront of

cata

log



C DILL C SECTION

Pag e


YEAR

MODEL

PART

NAME

PER

R

PART

NO

BE

FORE

ORDERING

PARTS FOR HYDRA-MATIC TRANSMISSIONS SEE

INSTRUCTIONS

ON

FIRST PAGE OF

GROUP 20

Group 20 1943

BALL or

SPRING Reverse Exhaust Valve

19

51. .

W diam

.)

Ball

, HYD .

19

51 -56.

Sprin

g, HYD .

1952-55. ( 2 diam.) Ball , HYD .

ND-

65

04

86 1383

9

ND-6503

1

1

1

Group

20 1944

1946-55 .

PIN

Compensator

Auxiliary

Plug

top in Control

Valve

Body

HYD

... . . . . . . . .. . Hyatt 7

450049

or7

45

0

05

0

Group 20 1945

BODY

Control

Valve Assembly

1946 thru 1953

shown

in

Group

20.1940)

19

56 exc.

du

al

carb

. . . . .. . . . . . . . . . .. . . . .. Shift

valve bo dy,

w/valve,

sprin

gs

and plu

g, HYD.

861 6961

1956w/d

ua

l carb . . . . . . . . . . . . . .. . . .. . . . . . . . . Sh ift valve body , w/valve,

spr

ings and

plu

g, HYD .

8616962

19

56. .

Coup

ling

va

lve

body

, w

/valve

,

sp

rin

gs and

plu

g,

HYD.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

86

16959

1956

exc

. dual carbobefore trans Nos. C-32200,

A-25

39

. , .

Manual

valve

body

, w/valve , spring and

plu

g, HYD.

1950

exc.

dual carbo

after

tra

ns.

Nos. C-32199,

A-2538.. . . . . . . . . . . . . . . . . . . . . . . . . . . Ma

nua

l valve body, w/valve , springand plug, HYD .

19

56w/

dual

c

arb

. . . .. . . . . . .. . . . . .

. . . . . . .

Manual valve body

, w/ valve, spring

an

d

plu

g, HYD.

1956. . . . . Va lveblocker

body

, w/valve, springand

plu

g, HYD .

W hen

usin

g8616961-2or

8616959

to repla ce early type bodies both Shift v and Clutch

Valve bodiesmust be replaced as unittoac

commodat

e increa s

ed

pressure.

8616902

86 16

935

8616914

86169

03

1

1

1

1956 ..

19

56

.

1956. ,

Group 20 1946 PLATE Valve Body Spacer

or

Channel

. . .. . , . . . . . . . . . . . . . . . . . SPACER ,

Channel Plate

to Manual

Body

and Case ,

HYD .

SPACER

,

Cha

nne

l P

ate

to

Shift

Bo

dy

Coup

ling

Body and Reve rse

Bloc

ker Body, HYD .

CHANNEL,

HYD .

8616683

8616275

8616368

Group 20 1947

VALVE Manual

Control

or BY·PASS

1941-50 HYD .

1951. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD .

1952-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HYD .

19

56 HYD .

1956. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . By

-pass

,

HY

D .

8609593

8611974

8614164

8616258

86165

42

1

1

1

1

1

Group 20 1949 WASHER

ase

to

Detent Plate

1946 HYD . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . .. 8616450

Group 20 1950

LEVER

and SHAFT Manual

Shift Control

1946-50 , . . . . . . .. . . . . . .

On

control

valve body

, HYD .

1951. . . . . .

On control valve body

,

HYD

.

1951-55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . On control valve body,

HYD

.

1956. . . . . . . . . HYD .

8611266

8611999

861

4134

8616240

1

1

1

1

Group 20 1951 BALL

or PLUNGER

Detent Shift

Control

Lever

1946-50. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Vi

G

l diam .) Ba ll, HYD . . . . . . . . . . . . . . . . . . . . . . . . . ND-6506

1951-55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Plun

ger

, HYD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8611

995

For

contents

of

asket

Seal

Repair and

Overhaul Kits

and

Packages see Kit Section

at

f ront of

catalog



HYDR M TIC TRANSMISSION

CADILL C CTIO

g

e

YE R

MODEL

P RT

N ME

PER

R

P RT

NO

BEFORE ORDERING

PARTS

FOR HYDRA MATIC TRANSMISSIONS SEE

INSTRUCTION

S

ON FIRST PAGE

OF

GROUP

20

Group

20 1952

RETAINER

Detent Shift

Lever

Spring

1949-50. .

HYD

.

1951 . . .. . . . . . . . . w

/Valve

, HYD .

19512-55. . . . . . . . . . . . . . . . . . . . . . . . . . HYD .

Group

20 1953

SPRING

Detent

Shift

Lever

194

6

50. . . . .

HYD

.

1951-55

HYD

.

8611595

86 13145

8617136

8611605

8611991

1

1

1

Group 20 1954 SPACER

Shift Lever Spring

Detent

Retainer

1951.

HYD

. . . . . . . . . . .. . .. . . . . . . . . .. . .. . . . . . . . . . . . . 8611977

1952 55. HYD . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 861 4112

Group 20 1955 LEVER and SHAFT

Throttle

Control

1941 51 . . On contro l valve

body

,

HYD

.

1952-55. . .. . . . . . . . . . . . . . . . . . . . . . . HYD, Kit (lever, shaft,

screw

) .

1956(exc.

dual

carb .) . HYD .

1956 w/dua] carb.. . . . . . . . . . . . . . HYD .

Group

20 1957

SEAL

Throttle Control Lever Shaft

1941-55. . . . . . . . . . . . . . . . . . . . . . . . . . . .. .. . . . . Pin,

seal

washer pkg .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Seal washe r

pkg

.

1956.. . . . . . . .. . . . . . . . .. . . . . . . . . . . . . . . .. . . . w/Pin, HYD .

8609591

8617136

8616238

86

16

742

8615193

8610731

8616907

1

1

1

1

1

94

1-56.

Group

20 1961 PIN

Oil

Seal on Throttle Shaft

. . . . . . . . . . . . . . . . . . . . . . . . . (I ts x1/z )Grooved , HYD . 187381

Group 20 1965

PLUG

Coupling Control Valve Body Orfice

1956 . . . . . . .

HYD

. . . . . . . . . .. . . . . . . .. . .. .. .. .. . .. . .. . .. ..

8617608

Cadillac Transmission

Documents

Transcript of Cadillac Transmission