29. Timing Chain and Sprocket Removal

Timing Chain and Sprocket Removal

Special Tools
* J 8433-1 - Puller Bar
* J 41558 - Crankshaft Sprocket Remover
* J 41816-2 - Crankshaft End Protector

For equivalent regional tools, refer to Special Tools (Special Tools).

Removal Procedure




1. Inspect the sprockets for correct alignment. The mark on the camshaft sprocket (1) should be located in the 6 o'clock position and the mark on the crankshaft sprocket (2) should be located in the 12 o'clock position.





Caution: Do not turn the crankshaft assembly after the timing chain has been removed in order to prevent damage to the piston assemblies or the valves.

2. Remove the camshaft sprocket bolt (1).
3. Remove the camshaft sprocket (2) and timing chain (3).




4. Remove the timing chain tension bolts (1) and tensioner (2).




5. Using the J 41816-2 - protector (1), the J 41558 - remover (2), bolts (3) and the J 8433-1 - puller (4) in order to remove the crankshaft sprocket.




6. Remove the crankshaft sprocket (1).




7. Remove the crankshaft sprocket key (1), if required.