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 (3) ball area
- Valve rocker arm (3) pushrod sockets and valve stem contact surfaces
The contact surfaces should be smooth with no scoring or excessive wear.
- Valve rocker arm ball (2) for wear or scoring
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 (1)
- Wear or scoring of the end contact surfaces (2)
The end contact surfaces must be smooth with no scoring or excessive wear.
- Shaft for bends (3)
Roll the valve pushrod on a flat surface to determine if the valve pushrod is bent.