Transfer Case
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 1987 Plymouth Colt Vista, 1987 Plymouth Colt, 1987 Dodge Ram 50, 1987 Dodge Raider, and 1987 Dodge Colt Vista. However, it is still accessible from the selected car via links, so may be relevant.
Transfer case has separate drain and fill plugs. Lubricant must reach to bottom of fill hole.