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
  8. Install the transmission fill plug to the transmission.
  9. Tighten
    Tighten the transmission fill plug to 27 N·m (20 lb ft).

  10. Lower the vehicle.