Service Intervals
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 1983 Plymouth Gran Fury, 1983 Dodge Mirada, 1983 Dodge Diplomat, 1983 Chrysler Imperial, and 1983 Chrysler Fifth Avenue. However, it is still accessible from the selected car via links, so may be relevant.
Check fluid level at each engine oil change. When operated under normal conditions, passenger car transmissions do not require periodic service. However, under heavy duty conditions, transmission should be drained, refilled, and bands adjusted every 15,000 miles.