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Home › Chevrolet › 2004 › Venture Base, Van Cargo Extended › Repair and Diagnosis › Brakes › Antilock Brake System And Traction Control System › Repair Instructions › Brake Pressure Modulator Valve (BPMV) Replacement › Removal Procedure

Removal Procedure

CAUTION: Refer to Brake Fluid Irritant Caution in Cautions and Notices.
NOTE: Refer to Brake Fluid Effects on Paint and Electrical Components Notice in Cautions and Notices.
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.
    Fig 1: Identifying Connector Position Assurance (CPA) Locking Tab And Connector Sliding Cover Lock Tab
    GM393786Courtesy of GENERAL MOTORS CORP.
  1. Turn the ignition switch to the OFF position.
  2. Remove the attaching bolts for the cruise control module.
  3. Swing the cruise control module off to the side.
  4. Remove the air cleaner housing from the engine compartment. Refer to Air Cleaner Assembly Replacement in Engine Controls.
  5. Disengage the red locking tab from the connector (1).
  6. Push down lock tab (1) and then move sliding connector cover (2) to the open position.
  7. Disconnect the EBCM harness connector.
    8. Fig 2: Locating Brake Pipes
    GM777629Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Note the locations of the brake pipes in order to aid in installation.
  8. Disconnect the 4 wheel brake pipes from the BPMV.
  9. Swing the four wheel brake pipes out of the way only after covering the open pipes to avoid dripping or being contaminated.
    10. Fig 3: View Of Master Cylinder Brake Pipes For BPMV
    GM777628Courtesy of GENERAL MOTORS CORP.
  10. Disconnect the master cylinder brake pipes from the BPMV.
  11. Loosen the brake pipes but do not remove the brake pipes from the master cylinder.
  12. Swing the 2 master cylinder brake pipes out of the way only after covering the open pipes to avoid dripping or being contaminated.
    13. Fig 4: Locating BPMV Mounting Bracket Nuts
    GM648180Courtesy of GENERAL MOTORS CORP.
  13. Remove the 3 BPMV mounting bracket nuts (2) from the inner wheel housing mount surface of the strut tower.
  14. Reinstall the top nut upside down on the top stud.
  15. Lightly tap on the bottom of the nut until the stud has loosened up.
  16. Disconnect the ground strap between the EBCM assembly and the chassis.
  17. Remove the BPMV mounting bracket and EBCM assembly from the vehicle.
    18. Fig 5: Locating Bolts Connecting BPMV To Mounting Bracket
    GM777630Courtesy of GENERAL MOTORS CORP.
    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.
  18. Remove the two bolts (1) that connect the BPMV to the mounting bracket (2).
  19. Remove EBCM if replacing the BPMV only. Refer to Electronic Brake Control Module Replacement .
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