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Home >> Buick >> 2019 >> Regal Base >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System >> Repair Instructions >> Electronic Brake and Traction Control Module with Brake Pressure Modulator Valve Replacement (LGX) >> Removal Procedure

Removal Procedure

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. Disconnect the battery negative cable. Battery Negative Cable Disconnection and Connection (3.6L LGX)
  3. GM4455156Courtesy of GENERAL MOTORS COMPANY

    Air Cleaner Outlet Duct (1) - Remove - Air Cleaner Outlet Duct Replacement

  4. Without draining the coolant and without disconnecting the hoses, remove and position aside the radiator surge tank. Radiator Surge Tank Replacement
  5. Thoroughly clean the electronic brake control module (EBCM) to brake pressure modulator valve (BPMV) area of any accumulated dirt and debris.
  6. GM4775942Courtesy of GENERAL MOTORS COMPANY

    EBCM Electrical Connector (1) - Disconnect

  7. GM4213860Courtesy of GENERAL MOTORS COMPANY

    Right Front Brake Pipe Fitting (1) - Disconnect

  8. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
  9. GM4213861Courtesy of GENERAL MOTORS COMPANY

    Left Rear Brake Pipe Fitting (1) - Disconnect

  10. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
  11. GM4213863Courtesy of GENERAL MOTORS COMPANY

    Right Rear Brake Pipe Fitting (1) - Disconnect

  12. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
  13. GM4213864Courtesy of GENERAL MOTORS COMPANY

    Left Front Brake Pipe Fitting (1) - Disconnect

  14. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
  15. GM4213865Courtesy of GENERAL MOTORS COMPANY

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

  16. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.
  17. GM4213869Courtesy of GENERAL MOTORS COMPANY

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

  18. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.
  19. GM4213872Courtesy of GENERAL MOTORS COMPANY

    Brake Pressure Modulator Valve Bracket Nut (1) - Loosen

  20. GM4213873Courtesy of GENERAL MOTORS COMPANY

    Brake Pressure Modulator Valve Bracket Nut (1) - Remove

  21. GM4213874Courtesy of GENERAL MOTORS COMPANY

    Brake Pressure Modulator Valve Bracket Bolt (1) - Remove

  22. GM4774862Courtesy of GENERAL MOTORS COMPANY

    Electronic Traction Control Brake Pressure Modulator Valve (1) - Remove