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Home >> Buick >> 2004 >> Century Base >> Repair and Diagnosis >> Brakes >> Antilock Brake System And Traction Control System >> Repair Instructions >> Brake Pressure Modulator Valve (BPMV) Replacement >> Removal Procedure

Removal Procedure

  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. Disengage the red locking tab from the connector (1).
    Fig 1: Identifying Connector Position Assurance (CPA) Locking Tab And Connector Sliding Cover Lock Tab
    GM393786Courtesy of GENERAL MOTORS CORP.
  5. Push down lock tab (1) and then move sliding connector cover (2) to the open position.
  6. Disconnect the EBCM harness connector.
    7. IMPORTANT: Note the locations of the brake pipes in order to aid in installation.
    Fig 2: Brake Pipes At BPMV
    GM385481Courtesy of GENERAL MOTORS CORP.
  7. Disconnect the brake pipes (1) from the BPMV (2).
  8. Swing the 4 brakes pipes out of the way only after covering the open pipes to avoid dripping or being contaminated.
    9. Fig 3: Master Cylinder, Brake Pipes & BPMV
    GM385479Courtesy of GENERAL MOTORS CORP.
  9. Disconnect the master cylinder brake pipes (2) from the BPMV (4).
  10. It is not necessary to remove the brake pipes (2) from the master cylinder (1).
  11. Swing the 2 master cylinder brake pipes out of the way only after covering the open pipes to avoid dripping or being contaminated.
    12. Fig 4: BPMV Mounting Bracket & EBCM Assembly
    GM394422Courtesy of GENERAL MOTORS CORP.
  12. Remove the 2 BPMV mounting bracket nuts (3) and 1 bolt located near the bottom and one nut (1) located at the top of the BPMV mounting bracket (4) to the strut tower.
  13. Disconnect the ground strap between the EBCM assembly and the chassis.
  14. Remove the BPMV mounting bracket (4) and EBCM assembly (2) from the vehicle.
    15. Fig 5: BPMV, Mounting Bracket & Bolts
    GM307967Courtesy of GENERAL MOTORS CORP.
  15. Remove the 4 bolts (3) that connect the BPMV (1) to the mounting bracket (2).
  16. Remove EBCM if replacing the BPMV only. Refer to Electronic Brake Control Module Replacement .
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