Front Disc Brake InspectionFront Disc Brake Inspection

By

Vance BloomVance Bloom

Murrieta Valley High SchoolMurrieta Valley High School

ROP Automotive TechnologyROP Automotive Technology

Why Do I Care?Why Do I Care?

Many Shops Charge Many Shops Charge $$$$ for Brake Inspections for Brake Inspections

Some Shops Are Not Honest Some Shops Are Not Honest

About What You Really Need!About What You Really Need!

If You Do it YourselfIf You Do it Yourself

You Can Be Sure it’s Done Right!You Can Be Sure it’s Done Right!

Tools NeededTools Needed

Floor JackFloor Jack

Safety StandsSafety Stands

Vernier CaliperVernier Caliper

MicrometerMicrometer

Dial IndicatorDial Indicator

1/2” Drive Impact Gun

Safety Glasses“C”

Clamp

Raise Vehicle on JackRaise Vehicle on Jack

Place Safety Stands Under VehiclePlace Safety Stands Under Vehicle

Place Chock In Front Of WheelPlace Chock In Front Of Wheel

Remove Lug Nuts and WheelRemove Lug Nuts and Wheel

Remove Caliper Retaining BoltsRemove Caliper Retaining Bolts

Be Careful Not To Bust Be Careful Not To Bust Your Knuckles, Always Your Knuckles, Always Push With Open PalmPush With Open Palm

Remove CaliperRemove Caliper

Inspect Caliper For Fluid LeaksInspect Caliper For Fluid Leaks

Measure Brake Pad Lining Thickness Measure Brake Pad Lining Thickness With Vernier CaliperWith Vernier Caliper

Measure Thickness Of Brake Rotors & Measure Thickness Of Brake Rotors & Compare To SpecificationsCompare To Specifications

Measure Lateral Runout With Measure Lateral Runout With Dial IndicatorDial Indicator

Compare Lateral Runout, Brake Compare Lateral Runout, Brake Pad & Rotor Thickness, to Pad & Rotor Thickness, to Factory Factory

SpecificationsSpecifications

Document All Findings on Repair OrderRepair Order

Document Brake Fluid Document Brake Fluid Condition, Level & Condition, Level &

Leaks FoundLeaks FoundDocument Brake Pad Document Brake Pad Thickness & Minimum Thickness & Minimum

SpecificationsSpecificationsDocument Brake Rotor Document Brake Rotor Thickness & Minimum Thickness & Minimum

SpecificationsSpecificationsDocument Brake Rotor Document Brake Rotor

Runout & Maximum Runout & Maximum SpecificationsSpecifications

Determine needed repairs and Document on Repair Order

Example: Rotor Machining or Replacement Brake Pad Replacement Brake Caliper Rebuild or Replacement No Service Required

Complete Brake Repairs As Necessary, If Proper

Authorization Is Obtained

Put Vehicle Back Together Without Repairs, If Authorization Is Not

Obtained

Now Clean Up Your Mess

Clean & Put Away All Tools

Pump Brake Pedal To Test For Proper Operation

Check Brake Fluid Level & Condition

Questions?Questions?

ContactContact

Vance BloomVance Bloom

1-909-696-10811-909-696-1081vbloom@murrieta.k12.ca.usvbloom@murrieta.k12.ca.us

The EndThe End