GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Notice: Always connect or disconnect the wiring harness connector from the EBCM/EBTCM with the ignition switch in the OFF position. Failure to observe this precaution could result in damage to the EBCM/EBTCM.


    Object Number: 230405  Size: SH
  1. Turn the ignition switch to the OFF position.
  2. Remove air cleaner assembly. Refer to Air Cleaner Assembly Replacement in engine controls.
  3. Pull out lock tab from the EBCM harness connector (1).
  4. Disconnect the EBCM harness connector .

  5. Object Number: 213438  Size: SH
  6. Disconnect the pump motor connector (3) at the bottom of the EBCM.
  7. Remove the six EBCM to BPMV screws (2) and discard.
  8. Important: Be careful not to damage seal. Do not pry apart using a tool.

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

  9. Separate the EBCM (1) from the BPMV (5) by gently pulling apart until separated.

Installation Procedure


    Object Number: 213438  Size: SH

    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.

  1. Install the EBCM (1) to the BPMV (5).
  2. Tighten

        • Tighten the top four mounting screws (2) to 2.9 N·m (26 lb in). Tighten screws in an X pattern.
        • Tighten the bottom two mounting screws (2) to 2.9 N·m (26 lb in).
  3. Connect the pump motor connector (3) to the bottom of the EBCM.

  4. Object Number: 230405  Size: SH
  5. Connect the EBCM harness connector. Push in lock tab (1).
  6. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in engine controls.
  7. Turn the ignition switch to the ON position, engine off.
  8. Perform the ABS diagnostic system check. Refer to Diagnostic System Check - ABS .