GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the rear seat cushion. Refer to Seats and Carpet.
  2. Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  3. Remove the negative battery cable. Refer to
  4. Notice: Turn OFF the ignition when connecting or disconnecting the battery cables, the battery charger or the jumper cables. Failure to do so may damage the PCM or other electronic components.

  5. Remove the positive battery cable.

  6. Object Number: 104808  Size: SH
  7. Remove the bolt and the retainer.
  8. Remove the vent tube.
  9. Remove the battery.

Installation Procedure


    Object Number: 104808  Size: SH
  1. Install the battery.
  2. Install the vent tube.
  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 retainer and the retainer bolt.
  5. Tighten
    Tighten the retainer bolt to 18 N·m (13 lb ft).

  6. Connect the positive battery cable.
  7. Tighten
    Tighten the positive battery cable bolt to 15 N·m (11 lb ft).

  8. Connect the negative battery cable.
  9. Tighten
    Tighten the negative battery cable bolt to 15 N·m (11 lb ft).

  10. Install the rear seat cushion. Refer to Seats and Carpet.