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Home >> GMC >> 2021 >> Terrain SL >> 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. GM4577929Courtesy of GENERAL MOTORS COMPANY

    Radiator Surge Tank (1) - Remove - Radiator Surge Tank Replacement (LYX without KL9) , or Radiator Surge Tank Replacement (LTG LYX with KL9)

  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 of any accumulated dirt and debris.
  5. GM4599021Courtesy of GENERAL MOTORS COMPANY

    Electronic Brake Control Module Electrical Connector (1) - Disconnect

  6. GM4593382Courtesy of GENERAL MOTORS COMPANY

    Brake Pressure Modulator Valve Secondary Pipe Fitting (1) - Disconnect

  7. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.
  8. GM4593384Courtesy of GENERAL MOTORS COMPANY

    Brake Pressure Modulator Valve Primary Pipe Fitting (1) - Disconnect

  9. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.
  10. GM4593388Courtesy 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. GM4593391Courtesy 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. GM4593393Courtesy 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. GM4593396Courtesy 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. GM4593398Courtesy of GENERAL MOTORS COMPANY

    Brake Pressure Modulator Valve Bracket Bolt (1) - Remove

  19. GM4593400Courtesy of GENERAL MOTORS COMPANY

    Brake Pressure Modulator Valve Bracket Nut (1) - Remove

  20. GM4593403Courtesy of GENERAL MOTORS COMPANY

    Electronic Brake Control Module with Brake Pressure Modulator Valve (1) - Remove

  21. GM4593405Courtesy of GENERAL MOTORS COMPANY

    Brake Pressure Modulator Valve Bolt (1) - Remove

  22. GM4593408Courtesy of GENERAL MOTORS COMPANY

    Brake Pressure Modulator Valve Bracket (1) - Remove