25. Timing Chain and Sprocket Removal

Timing Chain and Sprocket Removal (LS3 with Z52 Option, LS7)

Special Tools
* J 8433-1 - Puller Bar
* J 41558 - Crankshaft Sprocket Remover
* J-41558-10 - Crankshaft Sprocket Remover Bolts
* J 41816-2 - Crankshaft End Protector

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





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.

1. Remove the camshaft sprocket bolts (206).
2. Remove the camshaft sprocket (205) and timing chain (208).




3. Remove the bolts (231) and chain dampener (232).




4. Use the J 41816-2 - protector (1), the J 41558 - remover (2), the J-41558-10 - bolts (3) and the J 41816-2 - puller (4) in order to remove the crankshaft sprocket.




5. Remove the crankshaft sprocket (207).




6. Remove the crankshaft sprocket key, as required.