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ISB-2001011
Sep.22. 2001
Component category : 01 -Engine
Technical
world wide
SUBJECT : Trouble shooting for the engine overheating
MODELS : MUSSO
CONDITION:
When the vehicle has been driven the long time in hot weather, the engine is maybe overheated.
This information helps you check the possible cause and prevent reoccur.
CORRECT
- SYMC has improved the viscous clutch and cap-reservoir. So when the vehicle comes to your worksh
check the cooling reservoir-tank cap and viscous clutch and rework it following the work procedure.
- Also clarify the coolant leak from the cooling route.
Phenomenon
1. Driver's sensibility
- Temperature gauge up to red zone.
- Steam comes out from the engine room.
2. Engine condition
- Cylinder head is deformed.
- Piston & Metal bearing seized.
Check procedure- Check the all cooling system components.1. If a cooling problem exists, check all cooling system components such as radiator(blockage, two
pass radiator baffle leak), water pump, thermostat, temperature gage, etc.
- Check the coolant & cooling reservoir tank cap
1. Coolant level
a) Check the coolant level in the reservoir tank.
b) The coolant level should be between "LOW" and "FULL" mark on the coolant surge tank in cold
condition.
c) If the level is below the "LOW" mark, refill the radiator.
[caution]
* The antifreeze content of the coolant should be mixed to a minimum 50%. * The antifreeze content never exceed 60%.
* Do not use alcohol or methanol antifreeze or don't mix them with the specified coolant.
* Use only soft(demineralzied) water in the coolant mixture.
* Do not overfill the coolant.
This service bulletin is intended for internal use only. All information, illustrations and specifications contained in this bulletin are
based on the latest product information available at the time of issue.
Bulletin No. :
Date :
Bulletin Group :
Distribution :
cooling reservoir -tank
International A/S Parts Team
Tel: 82-31-610-1400
Fax: 82-31-610-3733
E-mail:[email protected]
Printed in Korea
SSANGYONG MOTORS COMPANYISB-2001011
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- Viscous clutch
a. In line improvement
Applied date
The tolerance of bimetal bending is changed Aug. 17, 2001
(The specification tolerance of bimetal was controlled at the lowest limit.
Therefore bimetal was bent permanently, and oil was leaked through the pin hole.)
b. Rework for damage case
- Replace the viscous clutch
- Improved viscous clutch part number : 6612003722
( engaging thermal point changed : 944-> 844)
This service bulletin is intended for internal use only. All information, illustrations and specifications contained in this bulletin are
based on the latest product information available at the time of issue.
Content
International A/S Parts Team
Tel: 82-31-610-1400
Fax: 82-31-610-3733
E-mail:[email protected]
Printed in Korea
SSANGYONG MOTORS COMPANYISB-2001011
Page No: 3 of 4
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p,
International A/S Parts Team
Tel: 82-31-610-1400
Fax: 82-31-610-3733
E-mail:[email protected]
Printed in Korea
SSANGYONG MOTORS COMPANYISB-2001011
Page No: 4 of 4
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