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Home >> Hummer >> 2007 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Repair Instructions >> Power Brake Booster Replacement >> Removal Procedure

Removal Procedure

    Fig 1: Brake Pedal Components
    GM793140Courtesy of GENERAL MOTORS CORP.
  1. Apply the park brake and block the wheels.
  2. Disconnect the inlet hose, the steering gear hose, and the return hoses from the booster assembly.
  3. Remove the master cylinder retaining nuts and remove the master cylinder. Do not disconnect the brake pipes.
  4. Remove the stop lamp switch retaining clip (4) from the brake pedal pin (1).
  5. Remove the stop lamp switch (2) and the pushrod (3) from the brake pedal pin (1).
    6. Fig 2: Booster Assembly & Bulkhead Nuts
    GM361376Courtesy of GENERAL MOTORS CORP.
  6. Remove the booster to bulkhead nuts.
  7. Remove the booster assembly.
  8. Remove the gasket.
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