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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 41 (Hydraulic Brakes) >> Repair Instructions >> Power Brake Booster Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Booster Assembly & Bulkhead Nuts
    GM361376Courtesy of GENERAL MOTORS CORP.
  1. Install the gasket.
  2. Install the booster assembly.
  3. NOTE: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  4. Install the booster to bulkhead nuts.

    Tighten:  Tighten the nuts to 36 N.m (27 lb ft).

  5. Fig 2: Brake Pedal Components
    GM793140Courtesy of GENERAL MOTORS CORP.
  6. Install the stop lamp switch (2) and the pushrod (3) to the brake pedal pin (1).
  7. Install the stop lamp switch retaining clip (4) to the brake pedal pin (1).
  8. Install the master cylinder and the master cylinder retaining nuts.

    Tighten:  Tighten the nuts to 36 N.m (27 lb ft).

  9. Connect the return hose, the steering gear hose, and the inlet hoses.
  10. Bleed the hydraulic booster system. Refer to Power Steering System Bleeding .
  11. Release the park brake and unblock the wheels.