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. Turn the ignition switch to the OFF position.
  2. Remove red locking tab from connector lock tab (1).
  3. Push down lock tab (1) and then move sliding connector cover (2) to the open position.
  4. Disconnect the EBCM harness connector.
  5. Brush off any dirt/debris that has accumulated on the assembly.

  6. Object Number: 459499  Size: SH
  7. Remove the four EBCM to BPMV screws (1).
  8. Separate the EBCM (2) from the BPMV (3) by gently pulling apart until separated.
  9. Important: Do not pry apart using a tool. Be careful not to damage BPMV surface.

    Important: Care must be taken not to damage the solenoid valves when the EBCM is removed from the BPMV.

Installation Procedure


    Object Number: 459499  Size: SH
  1. Clean the BPMV surface with alcohol using a clean rag.
  2. Install the EBCM (2) to the BPMV (3).
  3. Install the four screws (1) that attaches the EBCM (2) to BPMV (3).
  4. 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.

    Tighten
    Tighten the four screws to 5 N·m (44 lb in).


    Object Number: 393786  Size: SH
  5. Connect the EBCM harness connector.
  6. Push down lock tab (1) and then move sliding connector cover (2) back in the home position to lock.
  7. Insert red locking tab back in place.
  8. Turn the ignition switch to the RUN position, do not start engine.
  9. Perform the Diagnostic System Check - ABS .