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Home >> Cadillac >> 2007 >> CTS Base, 2.8 T, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 256 (Antilock Brake System, Traction Control System & Stability Control System) >> Repair Instructions >> Brake Pressure Modulator Valve Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different car, the 2007 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of EBCM & BPMV
    GM772017Courtesy of GENERAL MOTORS CORP.
  1. Clean the seal surface of the BPMV.
  2. Install the EBCM (1) to the BPMV (2).
  3. Make sure that the internal pump motor connector (3) is installed into the new EBCM (1) prior to EBCM replacement.
    4. Fig 2: Brake Pressure Modulator Valve
    GM782378Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
    IMPORTANT: Use New EBCM/BPMV screws after separating the EBCM from the BPMV.
  4. Install the 4 NEW EBCM to BPMV screws.

    Tighten:  Tighten the 4 NEW EBCM to BPMV screws in sequence (1-4) to 5 N.m (44 lb in).

    5. Fig 3: View Of ABS Module
    GM771978Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Make sure the rubber isolator is installed on the BPMV. The isolator protects the EBCM/BPMV assembly from vehicle vibrations.
  5. Install the EBCM/BPMV assembly (1) to the BPMV bracket.
  6. Install the BPMV bracket nuts (2).

    Tighten:  Tighten the BPMV nuts to 10 N.m (89 lb in).

    7. Fig 4: View Of EBCM, Electrical Connector & Connector Tab
    GM899235Courtesy of GENERAL MOTORS CORP.
    NOTE: To prevent equipment damage, never connect or disconnect the wiring harness connection from the EBCM with the ignition switch in the ON position.
  7. Connect the EBCM electrical connector (1) to the EBCM (2).
  8. Rotate the EBCM connector tab (2) rearward to the locked position.
    9. CAUTION: The brake pipes must be fully installed to the brake pipe mounting retainers on the frame. Failure to properly retain the brake pipes may cause the pipes to contact the frame and/or the transmission resulting in possible loss of brake fluid and personal injury.
    Fig 5: View Of BPMV & Brake Pipes
    GM772876Courtesy of GENERAL MOTORS CORP.
    CAUTION: Make sure brake pipes are correctly connected to BPMV. If brake pipes are switched by mistake Inlet vs. Outlet, wheel lockup will occur and personal injury may result.
    IMPORTANT: If a new BPMV is being installed, remove the shipping plugs from the valve openings.
  9. Install the 4 wheel brake pipes (2) to the BPMV (1) using the locations recorded during the removal procedure.

    Tighten:  Tighten the wheel brake pipes to 27 N.m (20 lb ft).

  10. Install the washer solvent container. Refer to Washer Solvent Container Replacement (w/o CE4) or Washer Solvent Container Replacement (w CE4) .
  11. Install the air deflector shield. Refer to Front Air Deflector Replacement .
  12. Lower the vehicle.
  13. Install the 2 master cylinder brake pipes (3) to the BPMV (1) using the locations recorded during the removal procedure.

    Tighten:  Tighten the master cylinder brake pipes to 27 N.m (20 lb ft).

  14. If equipped with a brake fluid pressure sensor (4), connect the electrical connector.
  15. Fill and bleed the hydraulic brake system. Refer to Master Cylinder Reservoir Filling and Hydraulic Brake System Bleeding (Manual) .
  16. Perform the Auto Bleed Procedure. Refer to Antilock Brake System Automated Bleed Procedure .
  17. Perform the System Check-Vehicle. Refer to Diagnostic System Check - Vehicle .
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