FixVault

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. Engine Wiring Harness Fuse Block Bracket - Remove - Engine Wiring Harness Fuse Block Bracket Replacement (LGX)Engine Wiring Harness Fuse Block Bracket Replacement (LTA-Driver Side)Engine Wiring Harness Fuse Block Bracket Replacement (LTA-Passenger Side)
  3. Thoroughly clean the electronic brake control module (EBCM) to brake pressure modulator valve (BPMV) area of any accumulated dirt and debris.
  4. Disconnect the EBCM electrical connector.
  5. GM4245817
    NOTE:

    Label all the brake pipes to ensure they are re-installed in the correct ports of the brake pressure modulator valve.

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

  6. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.
  7. GM4245818

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

  8. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.
  9. GM4245819

    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. GM4245820

    Right Front 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. GM4245821

    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. GM4245823

    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. GM4245824

    Brake Pressure Modulator Valve Bracket Nut (1) - Remove

  18. GM4245825

    Brake Pressure Modulator Valve Bracket Bolt (1) - Loosen

  19. GM4245826

    Brake Pressure Modulator Valve Bracket Bolt (1) - Loosen

  20. GM4245827

    Brake Pressure Modulator Valve Assembly (1) - Remove