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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1274 (Anti-Lock Brake System) >> Repair Instructions >> Brake Pressure Modulator Valve (BPMV) Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
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. Pull out lock tab (1) from EBCM harness connector.
  3. Disconnect the EBCM harness connector.
    Fig 1: EBCM Harness Connector & Lock Tab
    G01673702Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Note the locations of the brake pipes in order to aid in installation.
  4. Disconnect the wheel cylinder brake pipes (1) from the BPMV (2).
    Fig 2: Wheel Cylinder Brake Pipes & BPMV
    G01673703Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the master cylinder brake pipes (1) from the BPMV (2).
    Fig 3: Master Cylinder Brake Pipes & BPMV
    G01673704Courtesy of GENERAL MOTORS CORP.
  6. Remove the 2 nuts (1) that connect the BPMV to the BPMV bracket.
    NOTE: When removing the brake pressure modulator valve, protect the vehicle exterior from possible brake fluid spillage. Brake fluid can cause damage to painted surfaces.
  7. Remove the BPMV (2) and EBCM as an assembly from the vehicle.
  8. Remove EBCM if replacing the BPMV only. Refer to Electronic Brake Control Module (EBCM) Replacement .
    Fig 4: Brake Pressure Modulator Valve
    G01673705Courtesy of GENERAL MOTORS CORP.
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