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.

  1. Turn the ignition switch to the OFF position.
  2. Raise the Vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Disconnect the EBCM harness connector.
  4. Remove any dirt/debris from the assembly.

  5. Object Number: 213438  Size: SH
  6. Remove the 6 retainers (2) that connect the EBCM to the BPMV.
  7. Important: Do not pry apart using a tool. Be careful not to damage the BPMV surface.

    Important: Do NOT damage the solenoid valves when you remove the EBCM from the BPMV.

  8. Separate the EBCM (1) from the BPMV (4) by gently pulling apart until separated.
  9. Disconnect the pump motor connector (3) at the bottom of the EBCM.

Installation Procedure


    Object Number: 213438  Size: SH
  1. Connect the pump motor connector (3) to the bottom of the EBCM.
  2. Install the EBCM (1) to the BPMV (4).
  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 6 retainers (2) which connect the EBCM to the BPMV.
  5. Tighten
    Tighten the retainers to 2.9 N·m (26 lb in).

  6. Connect the EBCM harness connector.
  7. Lower the vehicle.
  8. Turn the ignition switch to the RUN position. Do NOT start the engine.
  9. Perform the diagnostic system check. Refer to Diagnostic System Check - ABS .