Service Intervals
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 1987 Mitsubishi Tredia, 1987 Mitsubishi Starion, 1987 Mitsubishi Precis, 1987 Mitsubishi Pickup, and 1987 Mitsubishi Montero. However, it is still accessible from the selected car via links, so may be relevant.
Check the fluid level every 30,000 miles. On Montero and Pickup models, change fluid at 30,000 miles if operated under severe service conditions.