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Home >> Cadillac >> 2011 >> STS AWD >> 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:

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

    Fig 1: View of Pressure Modulator Valve (BPMV) Inlet Brake Pipe Fitting
    GM1906544Courtesy of GENERAL MOTORS COMPANY
  1. Place the ignition switch in the OFF position.
  2. Remove the RH front compartment sight shield. Refer to Front Compartment Sight Shields Replacement .
  3. Thoroughly clean the area around the EBCM of all dirt and debris.
  4. Disconnect the secondary brake pressure modulator valve (BPMV) inlet brake pipe fitting (1).

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

    5. Fig 2: Identifying Primary BPMV Inlet Brake Pipe Fitting
    GM1906545Courtesy of GENERAL MOTORS COMPANY
  5. Disconnect the primary BPMV inlet brake pipe fitting (1).

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

  6. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  7. Remove the front air deflector shield. Refer to Front Air Deflector Replacement .
  8. Remove the washer solvent container fasteners and position the washer solvent container aside. Refer to Windshield Washer Solvent Container Replacement (With CE4) , Windshield Washer Solvent Container Replacement (Without CE4) .
  9. Disconnect the EBCM electrical connector
    10. Fig 3: Identifying LF Brake Pipe Fitting
    GM1906546Courtesy of GENERAL MOTORS COMPANY
  10. Disconnect the left front brake pipe fitting (1).

    Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.

    11. Fig 4: View of RR Brake Pipe Fitting
    GM1906547Courtesy of GENERAL MOTORS COMPANY
  11. Disconnect the right rear brake pipe fitting (1).

    Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.

    12. Fig 5: View of LR Brake Pipe Fitting
    GM1906549Courtesy of GENERAL MOTORS COMPANY
  12. Disconnect the left rear brake pipe fitting (1).

    Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.

    13. Fig 6: Identifying RF Brake Pipe Fitting
    GM1906551Courtesy of GENERAL MOTORS COMPANY
  13. Disconnect the right front brake pipe fitting (1).

    Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.

    14. Fig 7: Identifying BPMV Bolt
    GM1906552Courtesy of GENERAL MOTORS COMPANY
  14. Remove the BPMV bolt (1).
    15. Fig 8: View of BPMV
    GM1906553Courtesy of GENERAL MOTORS COMPANY
  15. Remove the BPMV (1).
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