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Home >> Chevrolet >> 2015 >> Impala LS, 2.5L Eng VIN L >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Repair Instructions >> Electronic Brake and Traction Control Module with Brake Pressure Modulator Valve Replacement >> Removal Procedure

Removal Procedure

WARNING: Refer to Brake Fluid Irritant Warning .
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. Turn the ignition OFF.
  2. Remove the battery tray. Refer to Battery Tray Replacement .
  3. Without draining the coolant and without disconnecting the hoses, remove and position aside the radiator surge tank. Refer to Radiator Surge Tank Replacement (LFR, LFX) and Radiator Surge Tank Replacement (LFR, LKW) .
  4. Disconnect the brake fluid level sensor electrical connector.
  5. Thoroughly clean the electronic brake control module (EBCM) to hydraulic control unit (HCU) area of any accumulated dirt and debris.
  6. Disconnect the EBCM electrical connector.
  7. Disconnect the master cylinder secondary brake pipe fitting (1).
    Fig 1: Master Cylinder Brake Pipe Fittings
    GM2739893Courtesy of GENERAL MOTORS COMPANY
  8. Cap the brake pipe fitting and plug the HCU inlet port to prevent brake fluid loss and contamination.
  9. Disconnect the master cylinder primary brake pipe fitting (2).
  10. Cap the brake pipe fitting and plug the HCU inlet port to prevent brake fluid loss and contamination.
  11. Disconnect the right rear brake pipe fitting (1).
    Fig 2: Right Rear & Left Front Brake Pipe Fittings
    GM2739896Courtesy of GENERAL MOTORS COMPANY
  12. Cap the brake pipe fitting and plug the HCU outlet port to prevent brake fluid loss and contamination.
  13. Disconnect the left front brake pipe fitting (2).
  14. Cap the brake pipe fitting and plug the HCU outlet port to prevent brake fluid loss and contamination.
  15. Disconnect the right front brake pipe fitting (1).
    Fig 3: Right Front & Left Rear Brake Pipe Fittings
    GM2739899Courtesy of GENERAL MOTORS COMPANY
  16. Cap the brake pipe fitting and plug the HCU outlet port to prevent brake fluid loss and contamination.
  17. Disconnect the left rear brake pipe fitting (2).
  18. Cap the brake pipe fitting and plug the HCU outlet port to prevent brake fluid loss and contamination.
  19. Remove the electronic brake and traction control module (EBTCM) assembly bracket nuts (1).
    Fig 4: BPMV Assembly Bracket Nuts
    GM2739902Courtesy of GENERAL MOTORS COMPANY
  20. Remove the EBTCM assembly.
  21. Remove the EBTCM assembly bracket bolt (1).
    Fig 5: BPMV Assembly Bracket Bolts
    GM2739969Courtesy of GENERAL MOTORS COMPANY
  22. Carefully separate the EBTCM assembly from the bracket.