Valve Train Analysis - Static

With the valve cover removed check for damaged 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.

CAMSHAFT ROLLER FOLLOWERS AND HYDRAULIC LASH ADJUSTERS, OVERHEAD CAMSHAFT
^ Check for loose mounting bolts on camshaft carriers.
^ Check for plugged oil feed in the camshaft roller followers, hydraulic lash adjusters (HLA) or cylinder heads.

CAMSHAFT-OVERHEAD CAMSHAFT ENGINES
^ Check for broken or damaged parts.
^ Check the bolts on the intake manifold.

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 valve spring retainer.

VALVE SPRING RETAINER KEYS
^ Check for proper seating on the valve stem.

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.
^ Check for plugged oil metering orifice in cylinder head oil reservoir (if equipped).