GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2005 🢒 LeSabre 🢒 Engine 🢒 Engine Electrical 🢒 Battery Replacement

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

    2. Object Number: 154778 Size: SH
  2. Disconnect the battery positive cable (1) from the battery.

    3. Object Number: 288808 Size: SH
  3. Remove the battery vent tube (1) from the battery.

    4. Object Number: 288839 Size: SH
  4. Remove the battery retainer bolt and battery retainer.
  5. Remove the battery.

Installation Procedure

    Object Number: 288839 Size: SH
  1. Install the battery.

    2. 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.

  2. Install the battery retainer and bolt.

    3. Tighten
    Tighten the battery retainer bolt to 17 N·m (13 lb ft).


    Object Number: 288808 Size: SH

    Important: Ensure the vent tube (1) is properly routed through the floor pan grommet.

  3. Install the battery vent tube (1) to the battery.

    4. Object Number: 154778 Size: SH
  4. Connect the battery positive cable (1) to the battery.

    5. Tighten
    Tighten the battery cable bolt to 17 N·m (13 lb ft).

  5. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .