1. Position the vehicle on level ground.
2. Remove the Insulator.
(See TRANSMISSION REMOVAL/INSTALLATION [P66M-D].)
3. Remove oil filler plug.
4. Verify that the oil is near the brim of the plug port.
5. Install oil filler plug and a new washer.
6. Install the Insulator.
(See TRANSMISSION REMOVAL/INSTALLATION [P66M-D].)