Brakes - Front Brake Judder/Vibration

05-002

July 17, 2010

Applies To:
2003-04 MDX - ALL

Front Brake Judder

(Supersedes 05-002, dated June 18, 2010, to revise the information marked by the asterisks)

REVISION SUMMARY

*Under REPAIR PROCEDURE, the requirement to replace both discs, even if only one was outside the service limit, was changed.*

SYMPTOM

Front brake judder.

PROBABLE CAUSE

The front brake pads have worn the brake discs unevenly (thickness variation).

CORRECTIVE ACTION

Refinish or replace the front brake discs, and install new front brake pads.

PARTS INFORMATION

Front Brake Pad Set: P/N 45022-S3V-A11

REQUIRED MATERIALS

Molykote M77 Grease: P/N 08798-9010

WARRANTY CLAIM INFORMATION

The normal warranty applies.

Operation Number: 410820

Flat Rate Time: 0.9 hour

Failed Part: P/N 45022-S3V-A10

Defect Code: 07701

Symptom Code: 04213

Template ID: 05-002A

Skill Level: Repair Technician

REPAIR PROCEDURE

1. Remove the old front brake pads and shims:

^ Refer to page 19-10 in the 2003-05 MDX Service Manual.

^ Enter keyword PAD, and select Front Brake

Pad Inspection and Replacement from the list.

2. Measure the brake disc thickness:

^ Refer to page 19-13 in the 2003-05 MDX Service Manual.

^ Enter keyword DISC, and select Front Brake
Disc Inspection from the list.

^ Note the measurements on the back of the repair order hard copy as indicated in the Service Operations Manual (Section 3.18).

^ If the brake discs are within the service limit, go to step 3.

* ^ If one or both brake discs are outside the service limit, replace the disc(s). Then, go to step 4.*

3. Remove the brake calipers, and refinish both front brake discs with an on-car brake lathe. Use the approved Kwik-way or Snap-on brake lathe. Do not refinish the front rotors off the car, because rotor runout cannot be adequately eliminated by this method.

NOTE:
For information on brake disc refinishing, refer to the operating manual for the lathe and to Service Bulletin 00-037, Brake Disc Refinishing Guidelines.

4. Apply a thin, even coat of Molykote M77 grease to the back of the new front pads and to both sides of the pad shims. Apply Molykote M77 to the end of the caliper pistons.

5. Install the calipers, the brake pads, and the pad shims correctly. Make sure the inner brake pad has the wear indicator on the top.

6. Test-drive the vehicle to make sure the brake judder has been eliminated.

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