Valve Train Analysis - Engine Off, Valves and Cylinder Head

WARNING: This page is about a different car, the 2006 Mercury Milan, 2006 Lincoln Zephyr, and 2006 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

Check for plugged oil drain back holes.
Check for worn or damaged valve tips.
Check for missing or damaged valve stem seals or guide-mounted valve stem seal.
Check valve tappet shim gap.
Check for missing or worn valve spring seats.
Check for plugged oil metering orifice in cylinder head oil reservoir (if equipped).

Static checks (engine off) are to be made on the engine prior to the dynamic procedure.