Operation CHARM: Car repair manuals for everyone.

46. Timing Chain and Sprocket Clean and Inspect

Timing Chain and Sprockets Cleaning and Inspection





1. Inspect the timing chain sprockets for cracks or teeth that are worn, broken, or chipped.
2. Inspect the timing chain for binding or stretching.
3. Inspect the crankshaft sprocket keyway for damage.
4. Inspect the timing chain shoe and guide for excessive wear or cracks.
5. Inspect the timing chain tensioner for damage.
6. Replace the timing chain and sprockets if damaged.