Transfer Case
WARNING: This page is about a different car, the 1996 Geo Tracker and 1995 Geo Tracker. However, it is still accessible from the selected car via links, so may be relevant.
Remove transfer case fill plug (upper plug) from rear of transfer case. Fill plug is located near speedometer gear housing. Fluid level must be at bottom of fill plug hole. Install fill plug and tighten to 17 ft. lbs. (23 N.m).