41. Camshaft Timing Chain and Sprocket Cleaning and Inspection

Camshaft Timing Chain and Sprocket Cleaning and Inspection




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