Valve Guides
WARNING: This page is about a different car, the 1995 Jeep Wrangler and 1994 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.
Measure diameter of valve guide approximately 3/8" (10 mm) from valve spring side of head, both parallel and at right angle to long axis of head. If difference between measurements exceeds .0025" (.063 mm), or if diameter exceeds specification by .003" (.08 mm), ream valve guide for oversize valve stem. See CYLINDER HEAD table under ENGINE SPECIFICATIONS. Reface valve seats after reaming valve guides.