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Brake Calipers: Installation

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  1. Install the brake caliper to the brake caliper mounting bracket. 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 (Canadian P/N 10953488) to the threads of the bolt.
  2. Install the 2 brake caliper mounting bolts and tighten to specifications. See TORQUE SPECIFICATIONS  . Remove the rubber cap or plug from the exposed brake hose fitting end. Assemble the 2 new copper brake hose gaskets and the brake hose to caliper bolt to the brake hose.
  3. Install the brake hose to caliper bolt to the brake caliper. Tighten to specifications. See TORQUE SPECIFICATIONS  . Bleed the hydraulic brake system. See MANUAL BLEEDING  under BLEEDING, FILLING & FLUSHING BRAKE SYSTEM.
  4. Install the tire and wheel assembly. Tighten to specification. See TORQUE SPECIFICATIONS  . Lower the vehicle.


  1. 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 pistons to the bottom of the caliper bores. Use the old brake pad, a metal plate or a wooden block across the face of the pistons in order to protect the pistons and the caliper boots.
  2. Use a small flat-bladed tool and lift the inner edge of the caliper boots next to both pistons to release any trapped air. Ensure that the caliper boots are below the level of the face of both pistons. Install the brake caliper to the brake caliper mounting bracket.
  3. 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 (Canadian P/N 10953488) to the threads of the bolt.
  4. Install the brake caliper mounting bolts. Tighten the brake caliper guide pin bolts. Remove the rubber cap or plug from the exposed brake hose fitting end. Assemble the 2 NEW copper brake hose gaskets and the brake hose to caliper bolt to the brake hose.
  5. Connect the brake hose at the caliper by installing the brake hose to caliper bolt. Tighten to specifications. See TORQUE SPECIFICATIONS  .
  6. Bleed the hydraulic brake system. See MANUAL BLEEDING  under BLEEDING, FILLING & FLUSHING BRAKE SYSTEM.
  7. 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  .