Valve Train Analysis - Static

ENGINE OFF-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.

ENGINE OFF, ROCKER ARM
- Check for loose mounting bolts, studs and nuts.
- Check for plugged oil feed in the rocker arms or cylinder head.

ENGINE OFF, CAMSHAFT ROLLER FOLLOWERS AND HYDRAULIC LASH ADJUSTERS
- Check for loose mounting bolts on camshaft carriers.
- Check for plugged oil feed in the camshaft roller followers, valve tappets or cylinder heads.

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

ENGINE OFF, PUSH RODS
- Check for bent push rods and restricted oil passage.

ENGINE OFF, VALVE SPRINGS
- Check for broken or damaged parts.

ENGINE OFF, 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.

ENGINE OFF, VALVE SPRING RETAINER KEYS
- Check for proper seating on the valve stem.

ENGINE OFF, 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).

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