44. Valve Rocker Arm and Push Rod Cleaning and Inspection

Valve Rocker Arm and Push Rod Cleaning and Inspection




Caution: Refer to Cleaning Solvent Caution (Cleaning Solvent Warning).
Caution: Refer to Safety Glasses and Compressed Air Caution (Safety Glasses and Compressed Air Warning).

Important: Parts that are to be reused must be marked, sorted, and organized for assembly.


* Clean the components with cleaning solvent.
* Dry the components with compressed air.
* Inspect the valve rocker components for the following:

- Valve rocker arm valve pushrod socket contact surface (1)
The contact surface must be smooth with no scoring or excessive wear.
- Valve rocker arm roller pivot for binding or damage (2)
- Valve rocker arm valve stem contact surface (3)
The contact surface should be smooth with no scoring or excessive wear.




* 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.