Checking Fluid Level
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 1983 Ford Ranger, 1983 Ford RV Cutaway, 1983 Ford Pickup, 1983 Ford Econoline, and 1983 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
Check lubricant level at filler plug hole on side of transmission. Lubricant should be level with bottom of filler plug hole. Add lubricant as necessary to bring to correct level.