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Home › Hummer › 2007 › H2 4D Utility Pickup › Repair and Diagnosis › Brakes › Traction Control › Antilock Brake System With TCS › Repair Instructions › Brake Pressure Modulator Valve Replacement › Removal Procedure

Removal Procedure

CAUTION: For safety reasons, the Brake Pressure Modulator Valve (BPMV) must not be repaired; the complete unit must be replaced. With the exception of the EBCM/EBTCM, no screws may be loosened. If screws are loosened, it will not be possible to get the brake circuits leak-tight and personal injury may result.
  1. Turn the ignition switch to the OFF position.
  2. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Disconnect the electronic brake control module (EBCM) harness connector.
    4. Fig 1: Right Front Brake Pipe & BPMV
    GM793191Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Note the locations of the brake pipes in order to aid in installation.
  4. Disconnect the right front brake pipe (1) from the brake pressure modulator valve (BPMV) (2).
    5. Fig 2: Rear Brake Pipes & BPMV
    GM793189Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the rear brake pipes (1) from the BPMV (2).
    6. Fig 3: Identifying BPMV
    GM794441Courtesy of GENERAL MOTORS CORP.
  6. Disconnect the left front and the master cylinder brake pipes (1) from the BPMV (2).
  7. Remove the 2 nuts that connect the BPMV to the BPMV bracket.
  8. Remove the BPMV (2) and EBCM as an assembly from the vehicle.
  9. Remove EBCM if replacing the BPMV only. Refer to Electronic Brake Control Module Replacement .
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