Rear

Brake Caliper Replacement- Rear

Removal Procedure

Caution: Refer to Brake Fluid Irritant Caution.
Brake Fluid Irritant Caution


Notice: Refer to Brake Fluid Effects, it and Electrical Components Notice in Service Precautions.

1. Raise and support the vehicle. Refer to Vehicle Lifting.
Vehicle Lifting

2. Remove the tire and wheel assembly.
3. Hand tighten 2 wheel lug nuts in order to retain the rotor to the hub.
4. Push the piston into the caliper bore in order to provide clearance between the linings and the rotor. Complete the following steps:







4.1. Install a large C-clamp (3) over the top of the caliper housing (1) and against the back of the outboard pad.
4.2. Slowly tighten the C-clamp until the piston is pushed into the caliper bore enough to slide the caliper (1) off the rotor. Do not overtighten the C-clamp.







5. Remove the brake hose bolt (1). Discard the gaskets (3).
6. Plug the openings in the caliper housing and the hose fitting in order to prevent brake fluid loss and contamination.







7. Remove the caliper bolts.







8. Remove the caliper (3) from the caliper bracket (1).
9. Inspect the caliper bolts (2) for corrosion or damage. If corrosion is found, use new parts when installing the caliper. Do not attempt to polish away corrosion.



Installation Procedure







1. Install the caliper (3) to the caliper bracket (1).







2. Lubricate the caliper bolts with GM P/N 18010908 high temperature silicone brake lubricant or equivalent. Do not lubricate the threads

Notice: Refer to Fastener Notice in Service Precautions.
Fastener Notice


3. Install the caliper bolts. Ensure that the boot is securely in the groove of the caliper bolt.
- Tighten the caliper bolts to 110 Nm (81 lb ft).







4. Install new gaskets (3) and the brake hose bolt to the brake hose inlet fitting.
5. Install the brake hose bolt and fitting to the caliper.
- Tighten the brake hose bolt to 50 Nm (37 lb ft).

6. Remove the 2 hand tightened wheel lug nuts retaining the rotor to the hub.
7. Install the tire and wheel assembly.
8. Lower the vehicle.
Fill the master cylinder to the proper level with clean brake fluid.

10. Bleed the entire brake system.
11. Inspect the hydraulic brake system for brake fluid leaks.