C Tahoe 2WD V8-5.7L VIN R (1996)
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Brake Shoe: All Technical Service Bulletins
Brakes - Lead/Pull & Front Brake Wear
File In Section: 05 - Brakes
Bulletin No.: 99-05-24-001A
Date: September, 1999
TECHNICAL
Subject:
Brake Lead/Pull and Front Brake Wear
(Replace Front Brake Pads and/or Rear Brake Shoes)
Models:
1992-99
Chevrolet and GMC C/K Cab Chassis, Crew Cab, and
Pickup Models with Power Brakes (RPO JB8)
1992-99
Chevrolet and GMC C/K Suburban Models
with 8600 # GVW (RPO C6P)
1996-2000 Chevrolet and GMC G Vans with Power Brakes (RPO JD7 & JB8)
and GVW's of 7,700 # up to 9,500 # (RPO's C3F, C6P, & E23)
This bulletin is being revised to update information in the Models Section and Correction Information. Please discard Corporate Bulletin Number
99-05-24-001 (Section 5 - Brakes).
Condition
Some owners may comment about the vehicle leading or pulling to either side while applying the brakes, and premature front brake wear, especially
vehicles that have been used to tow a heavy load.
Cause
The condition may be caused by wearing of the front brake material. Improvements to the above conditions can be gained through brake material
modifications. On the Suburban models, the best performance from this new brake material can be achieved with replacing the brake combination valve.
Correction
Replace the rear brake shoes with P/N 18029651. THIS FIX DOES NOT APPLY TO THE 13 x 2-1/2 BRAKE, DURASTOP(TM) P/N 18029650, OR
ANY OTHER SIZE. On Suburban models, a brake combination valve must be replaced. ALL OTHER MODELS (C/K, G Van), NO BRAKE
COMBINATION VALVE CHANGE IS REQUIRED.
Refer to the Drum Brakes or Hydraulic Brakes subsection of the appropriate Service Manual. For G2/G3 Series Vans only (with GVW's of 7,700 # up to
9,500 # - RPOs C3F, C6P, E23) also replace the front brakes pads with P/N 12471685. Refer to the Disc Brake subsection of the appropriate Service
Manual.
Important:
The new front brake pad material has been selected for improved wear characteristics. Some customers may experience increased brake noise from
this brake pad and should be advised that some squeal is a characteristic of this particular material.
Important:
If you encounter disc brakes that are extremely worn on the inboard side, with very little wear to the outboard side, verify the clearance between the
caliper and the steering knuckle bracket stops.
MEASURE THE CLEARANCES INDIVIDUALLY AND ADD THE CLEARANCES TOGETHER FOR TOTAL CLEARANCE BEFORE
REMOVING THE CALIPER. If the caliper (total clearance) to the steering knuckle stops is under 0.26 mm (0.010 in), correct this by filing metal off at
the steering knuckle stops in order to obtain a total clearance of 0.26 to 0.60 mm (0.010 to 0.024 in). DO NOT FILE METAL OFF OF THE CALIPER.
Refer to the Disc Brake subsection of the appropriate Service Manual for additional information on this procedure.