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Home >> Buick >> 2017 >> Envision Base >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System >> Repair Instructions >> Electronic Brake Control Module with Brake Pressure Modulator Valve Replacement >> Removal Procedure
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Removal Procedure

WARNING:

Refer to Brake Fluid Irritant Warning .

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. Without disconnecting the hoses, remove and position aside the radiator surge tank. Refer to Radiator Surge Tank Replacement
  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.

  4. Clean the area surrounding the EBCM/BPMV assembly of any accumulated dirt and debris.
  5. Disconnect the EBCM electrical connector.
  6. Fig 1: Master Cylinder Secondary Brake Pipe Fitting
    GM3876190Courtesy of GENERAL MOTORS COMPANY
  7. Disconnect Master Cylinder Secondary Brake Pipe Fitting (1)
  8. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.
  9. Fig 2: Master Cylinder Primary Brake Pipe Fitting
    GM3876193Courtesy of GENERAL MOTORS COMPANY
  10. Disconnect Master Cylinder Primary Brake Pipe Fitting (1)
  11. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.
  12. Fig 3: Right Rear Brake Pipe Fitting
    GM3876194Courtesy of GENERAL MOTORS COMPANY
  13. Disconnect Right Rear 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 4: Left Front Brake Pipe Fitting
    GM3876196Courtesy of GENERAL MOTORS COMPANY
  16. Disconnect Left Front Brake Pipe Fitting (1)
  17. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
  18. Fig 5: Right Front Brake Pipe Fitting
    GM3876199Courtesy of GENERAL MOTORS COMPANY
  19. Disconnect Right Front Brake Pipe Fitting (1)
  20. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
  21. Fig 6: Left Rear Brake Pipe Fitting
    GM3876201Courtesy of GENERAL MOTORS COMPANY
  22. Disconnect Left Rear Brake Pipe Fitting (1)
  23. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
  24. Fig 7: BPMV Bracket Bolt
    GM3876203Courtesy of GENERAL MOTORS COMPANY
  25. Remove BPMV Bracket Bolt (1)
  26. Fig 8: EBCM/BPMV and Bracket Assembly
    GM3876206Courtesy of GENERAL MOTORS COMPANY
  27. Remove EBCM/BPMV and Bracket Assembly (1)
  28. Fig 9: BPMV Bolts
    GM3876212Courtesy of GENERAL MOTORS COMPANY
  29. Remove BPMV Bolts (1) (Qty: 2)
  30. Fig 10: BPMV Bracket
    GM3876214Courtesy of GENERAL MOTORS COMPANY
  31. Remove BPMV bracket (1)