LEMON Manuals: Even more car manuals for everyone
Home >> Buick >> 2017 >> LaCrosse Base >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System >> Repair Instructions >> Electronic Traction Control Brake Pressure Modulator Valve Replacement >> 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. Fig 1: Air Cleaner Outlet Duct
    GM4455156Courtesy of GENERAL MOTORS COMPANY
  3. 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 (LGX FWD)Radiator Surge Tank Replacement (LGX AWD)
  5. Thoroughly clean the electronic brake control module (EBCM) to brake pressure modulator valve (BPMV) area of any accumulated dirt and debris.
  6. Fig 2: EBCM Electrical Connector
    GM4775942Courtesy of GENERAL MOTORS COMPANY
  7. EBCM Electrical Connector 1 - Disconnect
  8. Fig 3: Right Front Brake Pipe Fitting
    GM4213860Courtesy of GENERAL MOTORS COMPANY
  9. Right Front 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. Fig 4: Left Rear Brake Pipe Fitting
    GM4213861Courtesy of GENERAL MOTORS COMPANY
  12. Left Rear 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. Fig 5: Right Rear Brake Pipe Fitting
    GM4213863Courtesy of GENERAL MOTORS COMPANY
  15. Right Rear Brake Pipe Fitting 1 - Disconnect
  16. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
  17. Fig 6: Left Front Brake Pipe Fitting
    GM4213864Courtesy of GENERAL MOTORS COMPANY
  18. Left Front Brake Pipe Fitting 1 - Disconnect
  19. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
  20. Fig 7: Brake Pressure Modulator Valve Secondary Pipe Fitting
    GM4213865Courtesy of GENERAL MOTORS COMPANY
  21. Brake Pressure Modulator Valve Secondary Pipe Fitting 1 - Disconnect
  22. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.
  23. Fig 8: Brake Pressure Modulator Valve Primary Pipe Fitting
    GM4213869Courtesy of GENERAL MOTORS COMPANY
  24. Brake Pressure Modulator Valve Primary Pipe Fitting 1 - Disconnect
  25. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.
  26. Fig 9: Brake Pressure Modulator Valve Bracket Nut
    GM4213872Courtesy of GENERAL MOTORS COMPANY
  27. Brake Pressure Modulator Valve Bracket Nut 1 - Loosen
  28. Fig 10: Brake Pressure Modulator Valve Bracket Nut
    GM4213873Courtesy of GENERAL MOTORS COMPANY
  29. Brake Pressure Modulator Valve Bracket Nut 1 - Remove
  30. Fig 11: Brake Pressure Modulator Valve Bracket Bolt
    GM4213874Courtesy of GENERAL MOTORS COMPANY
  31. Brake Pressure Modulator Valve Bracket Bolt 1 - Remove
  32. Fig 12: Electronic Traction Control Brake Pressure Modulator Valve
    GM4774862Courtesy of GENERAL MOTORS COMPANY
  33. Electronic Traction Control Brake Pressure Modulator Valve 1 - Remove