Valve Stem Oil Seals
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 1995 Ford RV Cutaway, 1995 Ford Pickup, 1995 Ford F-Super Duty, 1995 Ford Econoline, and 1995 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
Umbrella-type oil seals are used on all valves. Intake and exhaust valve stem seals are not interchangeable. Seals are identified with IN for intake and EX for exhaust. Lubricate valve stem with engine oil and install NEW seal with cup side down over valve guide.