- Inspect the camshaft follower roller (1) for the following:
 
| •  | Excessive scoring and pitting | 
 
| •  | Ensure the roller spins freely | 
 
- Inspect the camshaft follower valve tip area (2).
 
- Inspect the camshaft follower stationary hydraulic lash adjuster (SHLA) pivot area (3).
 
- Replace the camshaft follower or followers as necessary.