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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 Replacement (1500 Series) >> Installation Procedure

Installation Procedure

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    Fig 1: Caliper And Caliper Bracket
    GM1497139Courtesy of GENERAL MOTORS CORP.
  1. Install the brake caliper on to the mounting bracket.
    2. Fig 2: Brake Caliper Bolts
    GM1497138Courtesy of GENERAL MOTORS CORP.
  2. Perform the following procedure before installing the brake 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. Fig 3: 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 the guide pin and hold it in line with the caliper while removing or installing the caliper bolts. DO NOT allow the wrench to come in contact with the brake caliper. Allowing the wrench to come in contact with the brake caliper will cause a pulsation when the brake is applied.
  3. Use an open end wrench to hold the guide pins while tightening the guide pin bolts. Tighten the bolts to 38 N.m (28 lb ft).
    4. Fig 4: Brake Hose Fitting
    GM1497137Courtesy of GENERAL MOTORS CORP.
  4. Remove the rubber cap or plug from the exposed brake hose fitting end.
  5. Install the 2 NEW copper gaskets to the brake hose bolt and the brake hose fitting.
  6. Install the brake hose to caliper bolt and tighten to 40 N.m (30 lb ft).
  7. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding (Pressure) , Hydraulic Brake System Bleeding (Manual) .
  8. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  9. 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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