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Home >> Buick >> 2018 >> 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. 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. GM3876190Courtesy of GENERAL MOTORS COMPANY

    Master Cylinder Secondary Brake Pipe Fitting (1) - Disconnect

  7. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.
  8. GM3876193Courtesy of GENERAL MOTORS COMPANY

    Master Cylinder Primary Brake Pipe Fitting (1) - Disconnect

  9. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.
  10. GM3876194Courtesy of GENERAL MOTORS COMPANY

    Right Rear Brake Pipe Fitting (1) - Disconnect

  11. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
  12. GM3876196Courtesy of GENERAL MOTORS COMPANY

    Left Front Brake Pipe Fitting (1) - Disconnect

  13. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
  14. GM3876199Courtesy of GENERAL MOTORS COMPANY

    Right Front Brake Pipe Fitting (1) - Disconnect

  15. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
  16. GM3876201Courtesy of GENERAL MOTORS COMPANY

    Left Rear Brake Pipe Fitting (1) - Disconnect

  17. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
  18. GM3876203Courtesy of GENERAL MOTORS COMPANY

    BPMV Bracket Bolt (1) - Remove

  19. GM3876206Courtesy of GENERAL MOTORS COMPANY

    EBCM/BPMV and Bracket Assembly (1) - Remove

  20. GM3876212Courtesy of GENERAL MOTORS COMPANY

    BPMV Bolt (1) - Remove [2x]

  21. GM3876214Courtesy of GENERAL MOTORS COMPANY

    BPMV bracket (1) - Remove