- Inspect the timing chain sprockets for cracks or teeth that are worn, broken, or chipped.
- Inspect the dowel pin for wear or damage.
- Inspect the timing chain for binding or stretching.
- Inspect the crankshaft sprocket keyway and locating dowel pin in the crankshaft for damage.
- Inspect the timing chain shoe and guide for excessive wear or cracks.
- Inspect the timing chain tensioner for damage.
- Replace the timing chain and sprockets if damaged.