Operation CHARM: Car repair manuals for everyone.

Cylinder Head Inspection

Inspect the following areas:
^ Inspect the valve rocker arms and ball at the mating surfaces. These surfaces should be smooth and free of scoring or other damage.
^ Inspect the valve rocker arm valve pushrod sockets and valve stem mating surfaces. These surfaces should be smooth with no scoring or exceptional wear.
^ Inspect the valve pushrods for scored ends or bends.
^ Inspect the camshaft and crankshaft sprockets for wear.
^ Timing chain for teeth that are no longer concentric.
^ The valley between worn teeth.
^ The key and crankshaft keyway for wear.
^ The timing chain for binding or excessive wear.