Installation (Rear - 1500 Series)
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NOTE:
Use denatured alcohol to clean the outside surface of caliper boots before installing NEW brake pads.
- If you are installing NEW brake pads, use a C-clamp in order to compress the piston to the bottom of the caliper bore. Use the old brake pad, a metal plate or a wooden block across the face of the piston in order to protect the piston and the caliper boot.NOTE: Use a small flat-bladed tool and lift the inner edge caliper boot next to the piston to release any trapped air. See Fig 1.
- Ensure that the piston boot is below the level of the piston face.
- Install the caliper to the caliper mounting bracket.
- Perform the following procedure before installing the caliper guide pin bolts:
- Remove all traces of the original adhesive patch.
- Clean the threads of the bolt with brake parts cleaner or the equivalent and allow to dry.
- Apply Threadlocker (GM P/N 12345493) to the threads of the bolt.
- Install the caliper guide pin bolts. See Figure.
- Tighten the caliper guide pin bolts to specification. See TORQUE SPECIFICATIONS .
- Remove the rubber cap or plug from the exposed brake hose fitting end.
- Install 2 NEW copper brake hose gaskets. Assemble the 2 NEW copper brake hose gaskets and the brake hose to caliper bolt to the brake hose.
- Connect the brake hose at the caliper by installing the brake hose to caliper bolt. See Figure. Tighten the bolt to specification. See TORQUE SPECIFICATIONS .
- Bleed the hydraulic brake system. See BLEEDING BRAKE SYSTEM .
- Install the tire and wheel assembly. Tighten to specification. See TORQUE SPECIFICATIONS .
- Lower the vehicle.
- Fill the master cylinder reservoir to the proper level with clean brake fluid. See MASTER CYLINDER RESERVOIR FILLING under BLEEDING BRAKE SYSTEM.