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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 337 (Disc Brake System) >> Repair Instructions >> Rear Brake Caliper Hardware Replacement (1500 Series) >> Installation Procedure

Installation Procedure

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    Fig 1: Caliper Mounting Bolt, Bracket, Boot And Slid Pins
    GM695066Courtesy of GENERAL MOTORS CORP.
  1. Lubricate the caliper bracket bushings and guide pins with high temperature silicone brake lubricant.
  2. Install the guide pin boots (4) to the brake caliper bracket.
  3. Install the guide pins (5) to the brake caliper bracket (3).
    4. Fig 2: Brake Pads And Caliper Bracket
    GM1497141Courtesy of GENERAL MOTORS CORP.
  4. Install the brake pad retaining springs to the brake caliper bracket.
    5. NOTE:

    If installing the original brake pads, position the brake pads in the location marked during removal.

  5. Install the brake pads.
    6. Fig 3: Caliper And Caliper Bracket
    GM1497139Courtesy of GENERAL MOTORS CORP.
  6. Install the brake caliper to the brake caliper bracket.
    7. Fig 4: Brake Caliper Bolts
    GM1497138Courtesy of GENERAL MOTORS CORP.
  7. Install the brake caliper guide pin bolts.
    8. Fig 5: Using Open End Wrench On Brake Caliper Guide Pin Bolt
    GM1697372Courtesy of GENERAL MOTORS CORP.
    CAUTION:

    Refer to Fastener Caution .

    NOTE:
    • DO NOT use any air tools to remove or tighten the guide pin bolts. Use hand tools only.
    • Install an open end wrench to hold the caliper guide pin in line with the brake caliper while removing or installing the caliper guide pin bolts. DO NOT allow the open end wrench to come in contact with the brake caliper. Allowing the open end wrench to come in contact with the brake caliper will cause a pulsation when the brake is applied.
  8. Use an open end wrench to hold the caliper guide pin while tightening the guide pin bolt. Tighten the bolts to 38 N.m (28 lb ft).
  9. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  10. Lower the vehicle. Refer to Lifting and Jacking the Vehicle .
  11. With the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance.
  12. Slowly release the brake pedal.
  13. Wait 15 seconds, then repeat 11-12 until a firm pedal is obtained to properly seat the brake caliper pistons and pads.
  14. Fill the master cylinder reservoir to the proper level with clean brake fluid, if necessary. Refer to Master Cylinder Reservoir Filling .
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