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Home › Chevrolet › 2017 › Suburban 3500 HD LS › Repair and Diagnosis › Brakes › Traction Control › Antilock Brake System › Repair Instructions › Brake Pressure Modulator Valve Replacement › Removal Procedure

Removal Procedure

WARNING:

Refer to Brake Fluid Irritant Warning

CAUTION:

Refer to Brake Fluid Effects on Paint and Electrical Components Caution

CAUTION:

Always connect or disconnect the wiring harness connector from the EBCM/EBTCM with the ignition switch in the OFF position. Failure to observe this precaution could result in damage to the EBCM/EBTCM.

  1. Place the ignition switch in the OFF position.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle
    3. NOTE:

    The area around the electronic brake control module (EBCM) and brake pressure modulator valve (BPMV) assembly must be free from loose dirt to prevent contamination of disassembled ABS components.

  3. Clean the area surrounding the EBCM/BPMV assembly of any accumulated dirt and debris.
  4. Disconnect the EBCM electrical connector.
    5. Fig 1: Brake Pressure Modulator Valve Secondary Pipe Fitting
    GM4138343Courtesy of GENERAL MOTORS COMPANY
  5. Disconnect Brake Pressure Modulator Valve Secondary Pipe Fitting (1)
  6. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.
    7. Fig 2: Brake Pressure Modulator Valve Primary Pipe Fitting
    GM4138344Courtesy of GENERAL MOTORS COMPANY
  7. Disconnect Brake Pressure Modulator Valve Primary Pipe Fitting (1)
  8. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.
    9. Fig 3: Left Rear Brake Pipe Fitting
    GM4138346Courtesy of GENERAL MOTORS COMPANY
  9. Disconnect Left Rear Brake Pipe Fitting (1)
  10. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
    11. Fig 4: Right Rear Brake Pipe Fitting
    GM4138347Courtesy of GENERAL MOTORS COMPANY
  11. Disconnect Right Rear Brake Pipe Fitting (1)
  12. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
    13. Fig 5: Right Front Brake Pipe Fitting
    GM4138348Courtesy of GENERAL MOTORS COMPANY
  13. Disconnect Right Front Brake Pipe Fitting (1)
  14. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
    15. Fig 6: Left Front Brake Pipe Fitting
    GM4138350Courtesy of GENERAL MOTORS COMPANY
  15. Disconnect Left Front Brake Pipe Fitting (1)
  16. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
    17. Fig 7: Brake Pressure Modulator Valve Bracket Bolts
    GM4138353Courtesy of GENERAL MOTORS COMPANY
  17. Remove Brake Pressure Modulator Valve Bracket Bolts (1) (Qty: 3)
    18. Fig 8: Brake Pressure Modulator Valve Assembly
    GM4138354Courtesy of GENERAL MOTORS COMPANY
  18. Remove Brake Pressure Modulator Valve Assembly (1)
    19. Fig 9: Brake Pressure Modulator Valve Bolt
    GM4138357Courtesy of GENERAL MOTORS COMPANY
  19. Remove Brake Pressure Modulator Valve Bolt (1)
    20. Fig 10: Brake Pressure Modulator Valve Bracket
    GM4138358Courtesy of GENERAL MOTORS COMPANY
  20. Remove Brake Pressure Modulator Valve Bracket (1)
    21. Fig 11: Electronic Brake Control Module Bolts
    GM4138361Courtesy of GENERAL MOTORS COMPANY
  21. Remove Electronic Brake Control Module Bolts (1) (Qty: 4)
    22. Fig 12: Brake Pressure Modulator Valve
    GM4138363Courtesy of GENERAL MOTORS COMPANY
  22. Remove Brake Pressure Modulator Valve (1)
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