1. This procedure should be performed immediately after driving the car, while the differential oil is warm enough to drain completely.
2. Raise the vehicle and place supports under it.
3. Remove the transfer case filler plug (see illustration 21.1).
4. Remove the drain plug located at the bottom and completely drain the oil from the transfer case.
5. After the oil has flowed out, clean and reinstall the drain plug. Tighten it to the required torque, the value of which is given in the specifications in this chapter.
6. Fill the transfer case with the required type of oil until the level reaches the bottom edge of the filler hole.
7. Install the filler plug and tighten it to the required torque, the value of which is given in specifications this chapter.
8. Drive the car for a short time and recheck the oil level in the transfer case. Sometimes a slight increase in level is required.