GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection

  2. Object Number: 2026256  Size: SH
  3. Depress the tab (1) retaining the engine control Module (2).
  4. Slide the engine control module (2) in order to disengage the engine control module bracket from the battery upper cover (3).
  5. Position the engine control module assembly (2) to the side. Do not disconnect the wiring harness.

  6. Object Number: 2026257  Size: SH
  7. Release the two tabs (2).
  8. Remove the battery upper (1) cover from the battery lower cover (3).

  9. Object Number: 2026268  Size: SH
  10. Loosen the positive battery cable retaining nut (2).
  11. Remove the positive battery cable from the battery (1).

  12. Object Number: 2026270  Size: SH
  13. Remove the battery retaining bolt (2) and retainer block (3).
  14. Remove the battery (1) from the vehicle.

Installation Procedure


    Object Number: 2026270  Size: SH
  1. Position the battery (1) into the vehicle.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the battery retaining bolt (2) and retainer block (3) and tighten to 10 N·m (89 lb in).

  4. Object Number: 2026268  Size: SH
  5. Install the positive battery cable to the battery (1).
  6. Tighten the positive battery cable retaining nut (2) to 5 N·m (45 lb in)..

  7. Object Number: 2026257  Size: SH
  8. Install the battery upper (1) cover to the battery lower cover (3).
  9. Ensure that the two retaining tabs (2) are securely latched.

  10. Object Number: 2026256  Size: SH
  11. Slide the engine control module assembly (2) onto the battery upper cover (3).
  12. Ensure that the tab (1) retaining the engine control Module (2) is securely latched.
  13. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection