Engine Off

Valve Cover Removed
Check for damaged and/or severely worn parts and correct assembly. Make sure correct parts are used with the static engine analysis as follows:

Rocker Arm
Check for loose mounting bolts, studs and nuts.
Check for plugged oil feed in the rocker arms or cylinder head.

Push Rods
Check for bent push rods and restricted oil passage.

Valve Springs
Check for broken or damaged parts.

Valve Spring Retainer and Valve Spring Retainer Keys
Check for proper seating of the valve spring retainer key on the valve stem and in the valve spring retainer.

Valves and Cylinder Head
Check the head gasket for proper installation.
Check for plugged oil drain back holes.
Check for worn or damaged valve tips.
Check for missing or damaged guide-mounted valve stem seal.
Check collapsed valve tappet gap. Check installed valve spring height.
Check for missing or worn valve spring seats.

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