Rear
Brake Caliper Replacement- RearRemoval Procedure
1. Remove two-thirds of the brake fluid from the master cylinder reservoir.
2. Raise the vehicle and support the vehicle with proper safety stands. Refer to Vehicle Lifting.
3. Remove the tire and wheel assembly.
4. Position a C-clamp over the outer brake pad and the caliper.
4.1. Tighten the C-clamp until the piston bottoms in the caliper bore.
4.2. Inspect the brake fluid level to avoid over flow when the piston is pushed in.
4.3. Remove the C-clamp.
5. Disconnect the brake hose from the caliper.
5.1. Disconnect the brake hose fitting and two gaskets.
5.2. Discard the gaskets.
5.3. Plug the hole in the caliper housing, and in the brake hose fitting.
6. Remove the caliper guide pin bolts.
7. Remove the caliper from the caliper anchor bracket.
8. Remove brake pads from the caliper.
Installation Procedure
1. Install the brake pads.
Important: Lift the inner edge caliper boot next to the piston. Press out any trapped air. The boot must lay flat below the level of the piston face.
2. Install the caliper over the rotor and into the anchor bracket.
3. Lubricate the guide pin bolts with Delco Silicone Lube (GM P/N 18010909) or equivalent.
Notice: Refer to Fastener Notice in Service Precautions.
4. Install the caliper guide pin bolts to the caliper bracket.
- Tighten the caliper guide pin bolts to 31 Nm (23 lb ft).
Notice: Refer to Brake Hose Installation Notice in Service Precautions.
5. Install the rear brake hose fitting, two new gaskets, and the banjo bolt to the caliper.
- Tighten the brake hose bolt to 44 Nm (33 lb ft).
6. Bleed the caliper.
7. Install the tire and wheel assembly.
8. Lower the vehicle.
9. Check the brake system for leaks.