Valve Rocker Arm and Push Rods Clean and Inspect
1. Mark, sort, and organize the components for assembly.
IMPORTANT: Parts that are to be reused must be marked, sorted, and organized for assembly.
2. Clean the components with cleaning solvent.
CAUTION: Refer to Safety Glasses Caution in Service Precautions.
3. Dry the components with compressed air.
4. Inspect the valve rocker arm components for the following:
^ Wear or scoring of the valve rocker arm ball area
^ Valve rocker arm pushrod sockets and valve stem contact surfaces
The contact surfaces should be smooth with no scoring or excessive wear.
^ Valve rocker arm ball The contact surface must be smooth with no scoring or excessive wear.
5. Inspect the valve pushrods for the following:
^ Restriction of the oil passage
^ Wear or scoring of the end contact surfaces The end contact surfaces must be smooth with no scoring or excessive wear.
^ Shaft for bends
Roll the valve pushrod on a flat surface to determine if the valve pushrod is bent.
6. Inspect the valve rocker arm ball studs for unusual wear or damage to the threads.