For 1990-2009 cars

1. Clean the components with cleaning solvent.

Caution: Refer to Safety Glasses Caution in the Preface section.

2. Dry the components with compressed air.
3. Inspect the timing chain (1) for binding or wear.
4. Inspect the camshaft position (CMP) sensor raised area (2) for nicks or damage.
5. Inspect for worn, damaged, or chipped teeth (3).
6. Inspect for a damaged key way (4).
7. Inspect for worn oil pump drive splines (5).