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

Installation Procedure

    Fig 1: View Of Disc Brake Pads & Brake Caliper Mounting Bracket
    GM369668Courtesy of GENERAL MOTORS CORP.
  1. Install new anti-rattle clips to the inside ends of the caliper mounting bracket.
  2. Install the brake pads to the caliper mounting bracket.
    3. Fig 2: View Of Brake Caliper Mounting
    GM789166Courtesy of GENERAL MOTORS CORP.
  3. Install the brake caliper to the brake caliper bracket.
  4. 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.
    5. NOTE: Refer to Fastener Notice .
  5. Install the brake caliper guide pin bolts.

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

  6. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  7. Remove the safety stands.
  8. Lower the vehicle.
  9. With the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance.
  10. Slowly release the brake pedal.
  11. Wait 15 seconds, then repeat steps 9-10 until a firm pedal is obtained. This will properly seat the brake caliper pistons and brake pads.
  12. Fill the master cylinder reservoir to the proper level with clean brake fluid. Refer to Master Cylinder Reservoir Filling .
  13. Burnish the brake pads and rotors. Refer to Brake Pad and Rotor Burnishing .
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