Draining & Refilling: Transmission
WARNING: This page is about a different car, the 1990 Jeep Wrangler, 1990 Jeep Wagoneer, 1990 Jeep Grand Wagoneer, 1990 Jeep Comanche, and 1990 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
- Loosen oil pan bolts, tap pan to break it loose and allow fluid to drain. Remove pan and oil filter. Install new filter on bottom of valve body and tighten remaining screws to 35 INCH lbs. (4 N.m). Clean oil pan and install with new gasket. Tighten bolts to 150 INCH lbs. (17 N.m).
- Refill transmission with approximately 5 qts. (4.7L) of Mercon ATF. Start engine and allow to run at curb idle. With vehicle on level surface, engine idling and parking brake applied, move shift selector lever through all gear ranges, ending in Neutral (Park for Aisin Warner AW-4 transmission).
- Recheck fluid level when transmission reaches normal operating temperature. Add fluid to reach FULL mark on dipstick.