Valve Train Analysis - Static

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

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.

VALVE SPRINGS
- Check for broken or damaged parts.

VALVE SPRINGS RETAINER AND VALVE SPRING RETAINER KEYS
Check for proper seating of valve spring retainer key on valve stem and in 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 hydraulic lash adjuster 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.

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