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.





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 sprocket(s) must be replaced, replace both sprockets to ensure that timing chain centerline alignment is maintained.

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

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