- Clean the valve lifters in cleaning solvent.
 
Caution: Refer to Safety Glasses and Compressed Air Caution in the Preface section.
- Dry the valve lifters with compressed air.
 
- Inspect the valve lifters for the following:
 
| •  | Bent or broken clip (1) | 
 
| •  | Worn push rod socket (2) | 
 
| •  | Scuffed or worn sides (3) | 
 
| •  | If the valve lifter shows
wear, inspect the engine block lifter bores for wear or damage. | 
 
| •  | Flat spots on the roller (4) | 
 
| •  | Loose or damaged pin (5) | 
 
| •  | Worn or damaged roller bearing | 
 
| •  | The roller should rotate
freely with no binding or roughness. | 
 
- Inspect the valve lifter guides for
the following:
 
| •  | Excessive wear in the lifter mounting bores |