Valve Train Components Clean and Inspect

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 arms and 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.
^ Inspect the key and crankshaft keyway for wear.
^ Inspect the crankshaft timing chain for binding.
^ Inspect camshaft lift according to the following procedure:
1. Set the J 8520 on zero.
2. Slowly rotate the crankshaft until the valve pushrod is raised fully.
3. Compare the total lift shown on the J 8520 with the specifications.
4. Remove the J 8520.