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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System >> Repair Instructions >> Electronic Brake and Traction Control Module with Brake Pressure Modulator Valve Replacement >> Removal Procedure
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Removal Procedure

WARNING:

Refer to Brake Fluid Irritant Warning .

CAUTION:

Refer to Brake Fluid Effects on Paint and Electrical Components Caution .

CAUTION:

To prevent equipment damage, never connect or disconnect the wiring harness connection from the EBCM with the ignition switch in the ON position.

  1. Remove the battery tray. Refer to Battery Tray Replacement .
  2. Disconnect the brake fluid level sensor electrical connector.
  3. Without draining the coolant and without disconnecting the hoses, remove and position aside the radiator surge tank. Refer to Radiator Surge Tank Replacement (LEA, LUK) or Radiator Surge Tank Replacement (LTG) .
  4. Thoroughly clean the electronic brake control module (EBCM) to brake pressure modulator valve (BPMV) area of any accumulated dirt and debris.
  5. Disconnect the EBCM electrical connector.
    6. Fig 1: Master Cylinder Primary & Secondary Brake Pipe Fittings
    GM2330147Courtesy of GENERAL MOTORS COMPANY
  6. Disconnect the master cylinder primary brake pipe fitting (1).
  7. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.
  8. Disconnect the master cylinder secondary brake pipe fitting (2).
  9. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.
    10. Fig 2: Right Front Brake Pipe Fitting
    GM2330149Courtesy of GENERAL MOTORS COMPANY
  10. Disconnect the right front brake pipe fitting (1).
  11. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
  12. Disconnect the left front brake pipe fitting (2).
  13. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
    14. Fig 3: Left Rear Brake Pipe Fitting
    GM2330151Courtesy of GENERAL MOTORS COMPANY
  14. Disconnect the left rear brake pipe fitting (1).
  15. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
  16. Disconnect the right rear brake pipe fitting (2).
  17. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
    18. Fig 4: Brake Pressure Modulator Valve Assembly Nuts
    GM2330152Courtesy of GENERAL MOTORS COMPANY
  18. Remove the electronic brake and traction control module with brake pressure modulator valve assembly nuts (1).
    19. Fig 5: Brake Pressure Modulator Valve Assembly Bolt
    GM2330154Courtesy of GENERAL MOTORS COMPANY
  19. Remove the electronic brake and traction control module with brake pressure modulator valve assembly bolt (1).
  20. Remove the electronic brake and traction control module with brake pressure modulator valve assembly.
    21. Fig 6: Electronic Brake And Traction Control Module, Assembly Bracket And Bolts
    GM2330156Courtesy of GENERAL MOTORS COMPANY
  21. Remove the electronic brake and traction control module with brake pressure modulator valve assembly bracket bolts (1).
  22. Remove the EBCM. Refer to Electronic Brake Control Module Replacement .
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