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Home >> GMC >> 2017 >> Terrain SL, Gas >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System >> Repair Instructions >> Brake Pressure Modulator Valve Replacement >> Removal Procedure

Removal Procedure

WARNING:

Refer to Brake Fluid Irritant Warning .

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. Turn the ignition switch to the OFF position.
  2. Remove the accessory wiring junction block. Refer to Accessory Wiring Junction Block Replacement .
  3. Fig 1: LF Brake Pipe Fitting
    GM1873924Courtesy of GENERAL MOTORS COMPANY
  4. Disconnect the electronic brake control module (EBCM) electrical connector by lifting the locking tabs.
  5. Disconnect the left front brake pipe fitting (1) at the brake pressure modulator valve (BPMV).
  6. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
  7. Disconnect the right front brake pipe fitting (2) from the BPMV.
  8. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
  9. Fig 2: Master Cylinder Primary Brake Pipe Fitting
    GM1873925Courtesy of GENERAL MOTORS COMPANY
  10. Disconnect the master cylinder primary brake pipe fitting (1) from the BPMV.
  11. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.
  12. Disconnect the master cylinder secondary brake pipe fitting (2) from the BPMV.
  13. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.
  14. Fig 3: LR Brake Pipe Fitting
    GM1873926Courtesy of GENERAL MOTORS COMPANY
  15. Disconnect the left rear brake pipe fitting (1) from the BPMV.
  16. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
  17. Disconnect the right rear brake pipe fitting (2) from the BPMV.
  18. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
  19. Fig 4: BPMV Bolt
    GM1873930Courtesy of GENERAL MOTORS COMPANY
  20. Remove the BPMV bolt (1).
  21. Fig 5: BPMV Assembly
    GM1873931Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Do not pry on the accumulator caps on the underside of the BPMV.

  22. Carefully remove the BPMV assembly (1) by pulling straight upward.
  23. Inspect the insulators for damage and replace, if necessary.
  24. If replacing the BPMV, remove the EBCM. Refer to Electronic Brake Control Module Replacement .