Timing Chain and Sprockets Clean and Inspect

NOTICE: Perform TDC Offset Recovery procedure if the timing chain, timing gears, engine front cover, crankshaft position sensor, crankshaft or other components affecting the timing are replaced.

1. Inspect the sprockets for chipped teeth and wear.
2. Inspect the reluctor wheel four square bosses for nicks or dings.
- Handle the reluctor wheel carefully.
- Damage to the machined bosses will directly effect engine timing.

3. Inspect the timing chain for damage and wear.
4. Replace worn sprockets and chains.
5. Inspect the timing gears on the fuel injection pump for broken teeth and wear.