1. Remove the transfer component. (See TRANSFER REMOVAL/INSTALLATION [G25MX-R].)
2. Remove the oil level plug and washer.
3. Drain the transfer oil from the oil level plug hole.
4. Install the transfer component. (See TRANSFER REMOVAL/INSTALLATION [G25MX-R].)
5. Fill the transfer oil.
6. Verify that the oil is near the brim of the oil level plug hole.
7. Install the oil level plug with a new washer.