Valve Seat
WARNING: This page is about a different car, the 1992 Mercury Tracer, 1992 Ford Escort, 1991 Mercury Tracer, and 1991 Ford Escort. However, it is still accessible from the selected car via links, so may be relevant.
Valve seat must be reground if seat runout exceeds specification. See CYLINDER HEAD table in ENGINE SPECIFICATIONS at end of article. Valve seats must be ground when valve guide is reamed or replaced. Replacement information is not available from manufacturer.