Valve Stem Oil Seals
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 1996 Ford Pickup, 1996 Ford Econoline, 1996 Ford Club Wagon, 1996 Ford Cab & Chassis, and 1995 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
When installing new valve stem seals, ensure oil seal bottoms on valve guide. Oversized valve stem seals must be installed when oversized valves are used.