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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Disc Brakes >> Repair Instructions >> Front Brake Caliper Replacement >> Installation Procedure

Installation Procedure

    Fig 1: View Of Brake Caliper Mounting
    GM789166Courtesy of GENERAL MOTORS CORP.
  1. Install the brake caliper to the brake caliper mounting bracket.
  2. Perform the following procedure before installing the caliper guide pin bolts.
    1. Remove all traces of the original adhesive patch.
    2. Clean the threads of the bolt with brake parts cleaner or the equivalent and allow to dry.
    3. Apply Threadlocker GM P/N 12345493 (Canadian P/N 10953488) to the threads of the bolt.
    3. NOTE: Refer to Fastener Notice .
  3. Install the brake caliper guide pin bolts.

    Tighten:  Tighten the brake caliper guide pin bolts to 108 N.m (80 lb ft).

  4. Remove the rubber cap or plug from the exposed brake hose fitting end.
    5. IMPORTANT: Install 2 new copper brake hose gaskets.
  5. Assemble the 2 new copper brake hose gaskets and the brake hose to caliper bolt to the brake hose.
    6. Fig 2: View Of Brake Hose To Caliper Bolt
    GM367082Courtesy of GENERAL MOTORS CORP.
  6. Install the brake hose to caliper bolt to the brake caliper.

    Tighten:  Tighten the brake hose to caliper bolt to 40 N.m (30 lb ft).

  7. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding (Manual) or Hydraulic Brake System Bleeding (Pressure) .
  8. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  9. Lower the vehicle.
  10. Fill the master cylinder reservoir to the proper level with clean brake fluid. Refer to Master Cylinder Reservoir Filling .
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