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Home >> Cadillac >> 2004 >> Seville >> Repair and Diagnosis >> Brakes >> Antilock Brake System, Traction Control System & Stability Control System >> Repair Instructions >> Brake Pressure Modulator Valve (BPMV) Replacement >> Installation Procedure

Installation Procedure

    Fig 1: View Of Both halves Of EBCM
    GM458834Courtesy of GENERAL MOTORS CORP.
  1. Clean the seal surface of the BPMV.
  2. Install the EBCM (2) to the BPMV (1).
    3. Fig 2: Disassembling/Reassembling Electronic Brake Control Module
    GM458840Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the 6 EBCM to BPMV screws (2).

    Tighten:  Tighten the 6 screws to 3.2 N.m (28 lb in).

    4. Fig 3: Identifying EBCM Electrical Connector
    GM458842Courtesy of GENERAL MOTORS CORP.
  4. Connect the BPMV electrical connector (2) to the EBCM (3).
    5. Fig 4: View Of EBCM/BPMV Assembly
    GM458866Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Make sure that all 3 rubber isolators are installed on the BPMV. The isolators protect the EBCM/BPMV assembly from vehicle vibrations.
  5. Install the EBCM/BPMV assembly (1) to the BPMV bracket (3).
    6. NOTE: Refer to Fastener Notice in Cautions and Notices.
  6. Install the 2 BPMV bracket nuts (2).

    Tighten:  Tighten the 2 nuts to 10 N.m (89 lb in).

    7. 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: Identifying BPMV & Brake Pipes
    GM458850Courtesy 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.
  7. Install the 4 wheel brake pipes (1) to the BPMV (2) using the locations recorded during the removal procedure.

    Tighten:  Tighten the 4 brake pipes to 15 N.m (11 lb ft).

    8. Fig 6: Brake Pressure Modulator Valve (BPMV)
    GM458848Courtesy of GENERAL MOTORS CORP.
  8. Install the 2 master cylinder brake pipes (1) to the BPMV (2) using the locations recorded during the removal procedure.

    Tighten:  Tighten the 2 brake pipes to 15 N.m (11 lb ft).

  9. Clean the seal surface of the EBCM/BPMV assembly.
    10. Fig 7: Removing/Installing Electronic Brake Control Module
    GM458835Courtesy 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.
  10. Connect the EBCM electrical connector (1) to the EBCM (4).
  11. Install the EBCM connector position assurance (2) to the EBCM electrical connector (1).
    12. Fig 8: Identifying EBCM Connector Tab
    GM458843Courtesy of GENERAL MOTORS CORP.
  12. Rotate the EBCM connector tab (2) down to the locked position.
  13. Install the left front fascia extension. Refer to Fascia Extension Replacement - Front in Bumpers.
  14. Install the left front wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  15. Lower the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  16. 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) in Hydraulic Brakes.
  17. Perform the Auto Bleed Procedure. Refer to ABS Automated Bleed Procedure .
  18. Perform the ABS Diagnostic System Check. Refer to Diagnostic System Check - ABS .
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