Rear Brake Caliper Replacement
Rear Brake Caliper Replacement
Removal Procedure
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle Service and Repair.
2. Mark the position of the rear wheels relative to the wheel hubs and remove the wheels. Refer to Tire and Wheel Removal and Installation Service and Repair.
Caution: Refer to Brake Dust Caution Brake Dust Caution.
Caution: Refer to Brake Fluid Irritant Caution Brake Fluid Irritant Caution.
Notice: Refer to Brake Fluid Effects on Paint and Electrical Components Notice Brake Fluid Effects on Paint and Electrical Components Notice.
3. Remove the fitting and the washers that attach the brake hose to the caliper.
4. Disconnect the brake hose. Plug the openings in the caliper and the brake hose to prevent fluid loss or contamination.
5. Remove the caliper mounting bolts.
6. Remove the caliper.
Installation Procedure
1. Ensure the slide pins are lubricated with Silicone Brake Lubricant, GM P/N 89021536, ACDelco P/N 89021537 (Canadian P/N 89021538), or equivalent. If necessary, refer to Rear Brake Caliper Overhaul Rear Brake Caliper Overhaul.
Notice: Refer to Fastener Notice Fastener Notice.
2. Install the caliper assembly with the mounting bolts.
Tighten the caliper mounting bolts to 56 Nm (41 lb ft).
3. Install the brake hose to the caliper with the washers and the brake inlet hose fitting.
Tighten the brake hose inlet fitting to 32 Nm (24 lb ft).
4. Install the rear wheels. Refer to Tire and Wheel Removal and Installation Service and Repair.
5. Lower the vehicle.
Caution: Do not move the vehicle until a firm brake pedal is obtained. Failure to obtain a firm pedal before moving vehicle may result in personal injury.
6. With the engine OFF, gradually apply and release the brake pedal several times in order to position the caliper piston and the pads.
7. Bleed the brake system. Refer to Hydraulic Brake System Bleeding (ABS) Hydraulic Brake System Bleeding (ABS)Hydraulic Brake System Bleeding (Manual) Hydraulic Brake System Bleeding (Manual).