GM Service Manual Online
For 1990-2009 cars only

FRONT BRAKE CALIPER ASSEMBLY SERVICE INFORMATION

THE FOLLOWING MODELS ARE EQUIPPED WITH LOW DRAG FRONT CALIPER ASSEMBLIES: 1981 X, F, B, C AND CADILLAC D AND Z 1982 ALL MODELS EXCEPT T AND Y 1982 S TRUCK 1981-82 C TRUCK (MAX. GVWR 7,200 OR BELOW) 1981-82 K TRUCK (MAX. GVWR 6,600 OR BELOW) 1981-82 G TRUCK (MAX. GVWR 6,850 OR BELOW) 1981-82 P TRUCK (MAX. GVWR 6,800 OR BELOW) AFTER THE PROPER INSTALLATION OF NEW FRONT SHOE AND LINING ASSEMBLIES OR CALIPER OVERHAUL, THE FOLLOWING PROCEDURE MUST BE DONE ON VEHICLES EQUIPPED WITH THE LOW DRAG CALIPERS: "APPLY APPROXIMATELY 175 POUNDS OF FORCE TO THE BRAKE PEDAL THREE (3) TIMES." THIS IS REQUIRED TO PROPERLY SEAT THE CALIPER AND RELATED COMPONENTS. A LOW BRAKE PEDAL MAY RESULT IF THIS PROCEDURE IS NOT FOLLOWED.

General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do a job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.