Rear
Brake Caliper Bracket Replacement - Rear (15/25 Series)Caution: Refer to Brake Dust Caution in Service Precautions.
Removal Procedure
1. Raise and support the vehicle. Refer to Vehicle Lifting.
2. Remove the tire and wheel assembly.
Notice: Refer to Support the Brake Caliper While Flex Hose is Connected Notice in Service Precautions.
3. Remove the brake caliper from the brake caliper mounting bracket and support the brake caliper with heavy mechanic's wire or equivalent. DO NOT disconnect the hydraulic brake hose from the brake caliper.
4. Remove the brake pads from the brake caliper mounting bracket.
5. Remove the anti-rattle clips tram the brake caliper bracket.
6. Remove the brake caliper bracket mounting bolts (2).
7. Remove the brake caliper bracket (1).
8. Remove any contaminants or foreign material from the inside ends of the brake caliper bracket.
9. Clean the mounting surface and threads of the brake caliper bracket.
Installation Procedure
1. Install the brake caliper bracket (1).
2. Perform the following procedure before installing the brake caliper bracket mounting bolts.
^ Remove all traces of the original adhesive patch .
^ Clean the threads of the bolt with denatured alcohol or equivalent and allow to dry.
^ Apply Threadlock GM P/N 12345493 or Canadian P/N 10953488 to the threads of the bolt.
Notice: Refer to Fastener Notice in Service Precautions.
3. Install the caliper bracket mounting bolts (2).
^ For vehicles equipped with JC5/JH5 brake systems, tighten the caliper bracket mounting bolts to 200 Nm (148 lb ft).
^ For vehicles equipped with JH6 brake systems, tighten the caliper bracket mounting bolts to 165 Nm (122 lb ft).
4. Install the anti-rattle clips to the brake caliper mounting bracket.
5. Install the brake pads to the brake caliper mounting bracket.
6. Slide the brake pads in until they contact the rotor.
7. Install the brake caliper.
8. Install the tire and wheel assembly.
9. Lower the vehicle.
10. With the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance.
11. Slowly release the brake pedal.
12. Wait 15 seconds, then repeat steps 7-8 until a firm pedal is obtained. This will properly seat the brake caliper pistons and brake pads.