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Home >> GMC >> 2018 >> 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

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. Fig 1: Radiator Surge Tank
    GM4577929Courtesy of GENERAL MOTORS COMPANY
  2. Remove Radiator Surge Tank (1) - Radiator Surge Tank Replacement (LYX without KL9)Radiator Surge Tank Replacement (LTG LYX with KL9)Radiator Surge Tank Replacement (LH7 FWD)Radiator Surge Tank Replacement (LH7 AWD)
    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 of any accumulated dirt and debris.
    4. Fig 2: Electronic Brake Control Module Electrical Connector
    GM4599021Courtesy of GENERAL MOTORS COMPANY
  4. Disconnect Electronic Brake Control Module Electrical Connector (1).
    5. Fig 3: Brake Pressure Modulator Valve Secondary Pipe Fitting
    GM4593382Courtesy 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 4: Brake Pressure Modulator Valve Primary Pipe Fitting
    GM4593384Courtesy 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 5: Right Rear Brake Pipe Fitting
    GM4593388Courtesy of GENERAL MOTORS COMPANY
  9. Disconnect Right 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 6: Left Front Brake Pipe Fitting
    GM4593391Courtesy of GENERAL MOTORS COMPANY
  11. Disconnect Left Front 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 7: Right Front Brake Pipe Fitting
    GM4593393Courtesy 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 8: Left Rear Brake Pipe Fitting
    GM4593396Courtesy of GENERAL MOTORS COMPANY
  15. Disconnect Left Rear 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 9: Brake Pressure Modulator Valve Bracket Bolt
    GM4593398Courtesy of GENERAL MOTORS COMPANY
  17. Remove Brake Pressure Modulator Valve Bracket Bolt (1).
    18. Fig 10: Brake Pressure Modulator Valve Bracket Nut
    GM4593400Courtesy of GENERAL MOTORS COMPANY
  18. Remove Brake Pressure Modulator Valve Bracket Nut (1).
    19. Fig 11: Electronic Brake Control Module with Brake Pressure Modulator Valve
    GM4593403Courtesy of GENERAL MOTORS COMPANY
  19. Remove Electronic Brake Control Module with Brake Pressure Modulator Valve (1).
    20. Fig 12: Brake Pressure Modulator Valve Bolt
    GM4593405Courtesy of GENERAL MOTORS COMPANY
  20. Remove Brake Pressure Modulator Valve Bolt (1).
    21. Fig 13: Brake Pressure Modulator Valve Bracket
    GM4593408Courtesy of GENERAL MOTORS COMPANY
  21. Remove Brake Pressure Modulator Valve Bracket (1).
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