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Home >> Cadillac >> 2013 >> SRX Base >> 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:

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

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. Without draining the coolant or removing the hoses, remove and position aside the radiator surge tank. Refer to Radiator Surge Tank Replacement (LF1,LFW, or LFX) .
    3. Fig 1: Identifying Master Cylinder Heat Shield Nuts
    GM2219310Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Lift the dash panel insulator slightly to remove the upper master cylinder heat shield nut.

  3. If equipped with the master cylinder heat shield, remove the master cylinder heat shield nuts (1).
    4. Fig 2: Identifying Master Cylinder Heat Shield Bolt
    GM2219313Courtesy of GENERAL MOTORS COMPANY
  4. Remove the master cylinder heat shield bolt (1).
  5. Remove the master cylinder heat shield.
    6. Fig 3: Identifying Electronic Brake Control Module (EBCM) Electrical Connector
    GM2217475Courtesy of GENERAL MOTORS COMPANY
  6. Disconnect the electronic brake control module (EBCM) electrical connector.
  7. Disconnect the left rear brake pipe fitting (1) at the brake pressure modulator valve (BPMV).
  8. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
  9. Disconnect the right rear brake pipe fitting (2) from the BPMV.
  10. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
    11. Fig 4: Locating Master Cylinder Secondary Brake Pipe Fitting At BPMV
    GM2217479Courtesy of GENERAL MOTORS COMPANY
  11. Disconnect the master cylinder secondary brake pipe fitting (1) from the BPMV.
  12. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.
  13. Disconnect the left front brake pipe fitting (2) from the BPMV.
  14. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.
    15. Fig 5: Identifying Right Front Brake Pipe Fitting At BPMV
    GM2217482Courtesy of GENERAL MOTORS COMPANY
  15. Disconnect the right front 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 master cylinder primary brake pipe fitting (2) from the BPMV.
  18. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.
    19. Fig 6: Identifying BPMV Bracket Nuts
    GM2217484Courtesy of GENERAL MOTORS COMPANY
  19. Remove the BPMV bracket nuts (1).
  20. Remove the BPMV and bracket assembly.
    21. Fig 7: View Of BPMV Bracket Bolts
    GM2217485Courtesy of GENERAL MOTORS COMPANY
  21. If necessary, remove the BPMV bracket bolts (1).
    22. Fig 8: View Of BPMV Bracket
    GM2217488Courtesy of GENERAL MOTORS COMPANY
  22. Remove the BPMV bracket (1).
  23. Inspect the insulators for damage and replace, if necessary.
  24. If necessary, remove the EBCM. Refer to Electronic Brake Control Module Replacement .
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