Timing Chain and Sprockets Clean and Inspect

1. Clean the camshaft timing components in solvent.

CAUTION: Wear safety glasses in order to avoid eye damage.

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
- Crankshaft sprocket key for wear or damage

IMPORTANT: If the crankshaft sensor reluctor ring is removed from the crankshaft, a new crankshaft sensor reluctor ring must be installed.

5. Inspect the crankshaft position reluctor ring the following conditions:
- Bend or distortion
- Missing teeth
- Damaged teeth
- Chipped teeth
- Bent teeth
- Keyway slot for wear or damage