1. Make a trip with the front gear on for at least 15 minutes, moving in all gears, including reverse.
2. Raise the car and put it on stands.
3. Loosen the drain plug (see fig. Checking the oil level in the transfer case) and drain the oil. Close the plug and tighten.
4. Unscrew the filler plug and fill in fresh oil with a syringe or syringe. The oil level should reach the lower edge of the hole. Close the cork.
5. Lower the car. Drive, check the level and add oil if necessary. Tighten the stopper.