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Home >> Pontiac >> 2004 >> Sunfire Automatic >> Repair and Diagnosis >> Brakes >> Antilock Brake System And Traction Control System >> Repair Instructions >> Brake Pressure Modulator Valve (BPMV) Replacement >> Installation Procedure

Installation Procedure

IMPORTANT: When installing a new brake modulator assembly, do NOT remove the shipping plugs from the pipe ports until after installation into the vehicle.
  1. Clean the seal and sealing surface of the EBCM, with denatured alcohol and a clean shop cloth.
  2. If the BPMV that was removed is being reinstalled, clean the sealing surface of the BPMV, with denatured alcohol and a clean shop cloth.
  3. Install the EBCM (1) to the BPMV (2). Use care when aligning the EBCM to the BPMV electrical terminals.
    Fig 1: View Of EBCM/EBTCM
    GM527343Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Install the 4 EBCM-to-BPMV retaining bolts. Tighten the bolts in a criss-cross pattern.

    Tighten:  Tighten the bolts to 5 N.m (44 lb in).

  5. Install the EBCM/BPMV assembly to the mounting bracket.
    Fig 2: View Of EBCM/BPMV Assembly Mounting Bracket
    GM1311226Courtesy of GENERAL MOTORS CORP.
  6. Install the EBCM/BPMV assembly to mounting bracket bolt.

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

  7. Remove the caps from the master cylinder brake pipe ends.
  8. Remove the plugs from the master cylinder ports on the BPMV.
  9. Connect the master cylinder brake pipes (1) to the BPMV, in the same location as removed. Refer to Hydraulic Brake Pipe Routing - Master Cylinder to ABS in Hydraulic Brakes.
    Fig 3: View Of Caliper & Wheel Cylinder Brake Pipes
    GM1311228Courtesy of GENERAL MOTORS CORP.
  10. Tighten the brake pipe fittings at the BPMV.

    Tighten:  Tighten the fittings to 24 N.m (18 lb ft).

  11. Remove the caps from the caliper and wheel cylinder brake pipe ends.
  12. Remove the plugs from the caliper and wheel cylinder ports on the BPMV.
  13. Connect the caliper and wheel cylinder brake pipes (2) to the BPMV, in the same location as removed. Refer to Hydraulic Brake Pipe Routing - Master Cylinder to ABS in Hydraulic Brakes.
  14. Tighten the brake pipe fittings at the BPMV.

    Tighten:  Tighten the fittings to 24 N.m (18 lb ft).

  15. Connect the electrical harness connector (4) to the EBCM (3).
    Fig 4: View Of Electronic Brake Control Module
    GM527273Courtesy of GENERAL MOTORS CORP.
  16. Depress the cover lock tab, then move the sliding connector cover (2) to the home position to lock.
  17. Engage the electrical connector CPA locking tab (1) to the connector sliding cover lock tab.
    Fig 5: Identifying Connector Position Assurance (CPA) Locking Tab And Connector Sliding Cover Lock Tab
    GM393786Courtesy of GENERAL MOTORS CORP.
  18. Perform the ABS Automated Bleed Procedure .
    IMPORTANT: Do NOT start the engine, but only turn the ignition switch to the ON position.
  19. Perform the ABS Diagnostic System Check. Refer to Diagnostic System Check - ABS .
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