Transfer Case
Under normal driving conditions, manufacturer does not recommend replacing transfer case fluid. Service transfer case fluid at 30,000-mile intervals when vehicle is used under any of the following conditions:
- Repeated short trips of less than 10 miles.
- Driving in dusty, sandy or wet conditions.
- Driving with an extended use of the brakes.
- Driving in areas where salt or other corrosive materials are being used.
- Driving on rough or muddy roads.
- Extended periods of idling or low speed operation.
- Driving for long periods in cold temperatures or extremely humid climates.
- Towing a trailer or using a car top carrier.