Brake Pads Replacement - Front
Removal Procedure1. Remove 2/3 of the brake fluid from the master cylinder.
2. Raise and support the vehicle. Refer to Vehicle Lifting.
3. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Wheels, Tires and Alignment.
4. Inspect the caliper operation. Refer to Brake Caliper Inspection.
5. Remove the caliper. Refer to Brake Caliper Replacement - Front.
6. Suspend the caliper from the frame with heavy gauge wire. Do not allow the caliper to hang from the brake hose.
7. Remove the caliper mounting bracket bolts.
8. Remove the caliper mounting bracket from the steering knuckle assembly.
9. Remove the brake pads from the caliper mounting bracket.
10. Remove the clips from the inside ends of the caliper mounting bracket and discard.
11. Inspect the caliper and mounting bracket. Refer to Brake Caliper Inspection.
Installation Procedure
1. Install the clips to the inside ends of the caliper mounting bracket.
2. Install the brake pads to the caliper mounting bracket.
^ Install the inner pad (11 wear indicator).
^ Install the outer pad (2 wear indicators).
3. Install the caliper mounting bracket to the steering knuckle assembly.
4. Perform the following procedure before installing the caliper mounting bracket bolts.
4.1. Remove all traces of the original adhesive patch.
4.2. Clean the threads of the bolt with brake parts cleaner or the equivalent and allow to dry.
4.3. Apply Threadlocker GM P/N 12345493 or Red LOCTITE(TM) #272 to the threads of the bolt.
Notice: Refer to Fastener Notice in Service Precautions.
5. Install the caliper mounting bracket bolts to the steering knuckle.
^ Tighten the brake caliper mounting bracket to 175 N.m (129 lb ft) (15 series).
^ Tighten the brake caliper mounting bracket to 300 N.m (221 lb ft) (25 series).
6. Install the caliper. Refer to Brake Caliper Replacement - Front.
7. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Wheels, Tires and Alignment.
8. Remove the safety stands.
9. Lower the vehicle.
10. Refill the master cylinder to the proper level with fresh brake fluid.
11. Pump the brake pedal slowly and firmly in order to seat the brake pads.
12. Burnish the brakes as needed. Refer to Burnishing Pads and Rotors.