GM Service Manual Online
For 1990-2009 cars only

    Object Number: 71531  Size: SH
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Clean any dirt from around the fill plug.
  3. Remove the transmission fill plug from the transmission.

  4. Object Number: 2327  Size: SH
  5. Check that the transmission fluid level is even with the bottom of the fill plug hole.
  6. Add Dexron-III transmission fluid, if necessary.

  7. Object Number: 71531  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.

  8. Install the transmission fill plug to the transmission.
  9. Tighten
    Tighten the transmission fill plug to 18 N·m (13 lb ft).

  10. Lower the vehicle.