Transfer Case
WARNING: This page is about a different car, the 1994 Dodge Ram Wagon, 1994 Dodge Ram Van, 1994 Dodge Pickup, 1994 Dodge Dakota, and 1994 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
With vehicle in level position, remove filler plug and check fluid level. If level is below bottom of filler plug hole, add lubricant to bottom of filler hole.