Front
Brake Caliper Replacement- FrontRemoval Procedure
1. Raise the vehicle. Refer to Vehicle Lifting.
2. Remove the tire and wheel assembly.
3. Hand tighten 2 wheel lug nuts 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:
4.1. Install a large C-clamp over the top of the caliper housing and against the back of the outboard pad.
4.2. Slowly tighten the C-clamp until the piston is pushed into the caliper bore far enough to slide the caliper assembly off the rotor.
5. Remove the brake hose bolt (1). Discard the gaskets (3).
6. Plug the caliper housing and brake hose in order to prevent fluid loss and contamination.
7. Remove the caliper bolts (2).
8. Remove the caliper from the rotor and the caliper bracket (3).
Installation Procedure
1. Lubricate the caliper bolts with GM P/N 18010908 high temperature silicone brake lubricant or equivalent. Do not lubricate the threads.
2. Install the caliper (3) to the caliper bracket (1).
Notice: Refer to Fastener Notice in Service Precautions.
3. Install the caliper mounting bolts (2) to the caliper bracket (1).
^ Tighten the 2 caliper mounting bolts to 31 Nm (23 lb ft).
4. Install the brake hose bolt (1) with new gaskets (3) to the brake hose inlet fitting (2).
5. Install the brake hose with the brake hose bolt (1) to the brake caliper.
^ Tighten the inlet fitting 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 wheel and tire assembly.
8. Lower the vehicle.
9. 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 leaks.