38. Timing Chain and Sprocket Clean and Inspect
Timing Chain and Sprockets Cleaning and Inspection1. Clean the camshaft timing components in solvent.
Caution: Refer to Safety Glasses Caution in Service Precautions.
Safety Glasses Caution
2. Dry the components with compressed air
3. Inspect the camshaft timing chain for binding or wear
Important: If the sprocket(s) must be replaced, replace both sprockets to ensure that timing chain centerline alignment is maintained.
4. Inspect the camshaft and crankshaft sprockets for the following conditions:
- Worn teeth (1)
- Damaged teeth (2)
- Chipped teeth (3)
- Uneven wear on one edge of the teeth
- Worn valleys between the sprocket teeth
- Crankshaft sprocket keyway for wear