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Home >> GMC >> 2007 >> Acadia SLE, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 114 (Antilock Brake System, Traction Control System & Stability Control System) >> Repair Instructions >> Brake Pressure Modulator Valve Replacement (CTS) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 Cadillac CTS. 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: Installing EBCM To BPMV Screws
    GM782378Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  4. Install the 4 EBCM to BPMV screws.

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

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

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

    7. Fig 4: View Of EBCM And Electrical Connector
    GM899234Courtesy 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 (3).
  8. Rotate the EBCM connector tab (2) 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 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).

  11. If equipped with a brake fluid pressure sensor (4), connect the electrical connector.
  12. Fill and bleed the hydraulic brake system. Refer to Master Cylinder Reservoir Filling and Hydraulic Brake System Bleeding (Manual) or Hydraulic Brake System Bleeding (Pressure) .
  13. Perform the System Check-Vehicle. Refer to Diagnostic System Check - Vehicle .
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