Lubrication Service Intervals
WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 1991 Mitsubishi Precis, 1991 Mitsubishi Pickup, 1991 Mitsubishi Montero, 1991 Mitsubishi Mirage, and 1991 Mitsubishi Galant. However, it is still accessible from the selected car via links, so may be relevant.
Check transaxle/transmission and transfer case fluid level every 30,000 miles. Change fluid at 30,000 miles if operated under severe service conditions.