GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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


    Object Number: 393786  Size: SH
  1. Raise and support the vehicle on a suitable hoist. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the left engine splash shield.
  3. Remove the Connector Position Assurance (CPA) (2) from the connector lock tab (1).
  4. Push the lock tab (1) down and then move the sliding connector cover to the open position.

  5. Object Number: 567224  Size: SH
  6. Disconnect the EBCM harness connector (2) from the EBCM (1).
  7. Brush off any dirt or debris that has accumulated on the EBCM/BPMV assembly.

  8. Object Number: 527343  Size: SH
  9. Remove the 4 EBCM to BPMV screws.
  10. Important: 

       • Do not pry apart using a tool. Be careful not to damage the BPMV surface.
       • Care must be taken not to damage the solenoid valves when the EBCM is removed from the BPMV.

  11. Remove the EBCM (1) from the BPMV (2) by gently pulling apart until separated.

Installation Procedure


    Object Number: 527343  Size: SH
  1. Clean the EBCM gasket and the BPMV surface with alcohol using a clean rag.
  2. Install the EBCM (1) to the BPMV (2).
  3. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  4. Install the 4 screws that attach the EBCM (1) to the BPMV (2).
  5. Tighten
    Tighten the screws to 5 N·m (44 lb in).


    Object Number: 567224  Size: SH
  6. Connect the EBCM harness connector (2) to the EBCM (1).

  7. Object Number: 393786  Size: SH
  8. Push down the harness connector lock tab (1) and then move the sliding connector cover back in the home position to lock.
  9. Push the CPA (2) back into place.
  10. Install the left engine splash shield.
  11. Lower the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  12. Perform the Diagnostic System Check - ABS .