For 1990-2009 cars only
- Remove the bolts that secure the lifter guides.
- Remove the lifter guides.
- Remove the valve lifters from the lifter bore.
- Inspect the valve lifter for the following conditions:
- Inspect the valve lifter bore in the engine block for wear and scuffing.
- Inspect the roller for freedom of movement.
- Inspect the roller surface for flat spots and pitting.
Important: Ensure that the lifter guides are identified so they can be installed in their original location and orientation.
| • | Lifter wear |
| • | Lifter scuffing |
| • | Loose roller shaft |
