Valve Lifters: Inspection
WARNING: This page is about a different car, the 1995 Ford Aerostar. However, it is still accessible from the selected car via links, so may be relevant.
Inspect lifter for damage. Ensure roller rotates smoothly. Measure lifter O.D. and cylinder block lifter bore I.D. Replace components if oil clearance is not within specification. Refer to VALVE LIFTERS table under ENGINE SPECIFICATIONS.