For 1990-2009 cars

1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
2. Clean any dirt from around the fill plug.
3. Remove the transmission case fill plug.
4. Check that the transmission fluid level is even with the bottom of the fill plug hole.
5. Add Dexron®-III transmission fluid, if necessary.
6. Install the transmission case fill plug.

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

7. Lower the vehicle.