39. Timing Chain and Sprockets Clean and Inspect

CAUTION: Refer to Safety Glasses Caution in Service Precautions.





1. Clean the components in cleaning solvent.
2. Dry the components with compressed air.
3. Inspect the camshaft timing chain for binding or wear.





4. Inspect the camshaft and crankshaft sprockets for:
^ Broken teeth (1)
^ Damaged teeth (2)
^ Chipped teeth (3)
^ Worn teeth
^ Uneven wear on one edge of the teeth
^ Worn valleys between the sprocket teeth
^ Crankshaft sprocket keyway for wear
^ Woodruff key (crankshaft sprocket) for wear or damage