GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Warning: Refer to Battery Disconnect Warning in the Preface section.


    Object Number: 1836078  Size: SH
  1. Record all of the customers radio station presets.
  2. Turn OFF all the lamps and accessories.
  3. Make sure the ignition switch is in the OFF position.
  4. Grasp the engine control module (ECM) and slide the retainer rearward until the retainer disengages from the 4 clips on the battery cover. Reposition the ECM out of the way.

  5. Object Number: 1828260  Size: SH
  6. Release the side snap retainers (1).
  7. Remove the battery box cover (3) from the retaining tabs (2).
  8. Remove the battery box cover (3).

  9. Object Number: 1828597  Size: SH
  10. Loosen the battery negative cable terminal bolt.
  11. Remove the battery negative cable from the battery.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1828597  Size: SH

    Note: Clean any existing corrosion from the battery terminal bolt flange and the battery cable end.

  1. Install the battery negative cable to the battery and tighten the bolt to 17 N·m (13 lb ft) .

  2. Object Number: 1828260  Size: SH
  3. Insert the battery box cover (3) into the retaining (2).
  4. Lock the side snap retainers (1).

  5. Object Number: 1836078  Size: SH
  6. Grasp the ECM retainer and slide the retainer forward until the retainer locks against the 4 clips on the battery cover.
  7. Program all of the customer's radio station presets and set the radio clock to the current time.