Timing Chain and Sprocket Removal 6.2L LS3

Special Tools

For equivalent regional tools, refer to 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 and discard the camshaft sprocket bolt (206).
2. Remove the camshaft sprocket (205) and timing chain (208).



3. Remove the bolts (231) and timing chain tensioner (232).



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



5. Remove the crankshaft sprocket (207).



6. Remove the crankshaft sprocket key, as required.

Timing Chain and Sprocket Removal 6.2L LS9

Special Tools

For equivalent regional tools, refer to 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 (1).
2. Remove the camshaft sprocket (2) and timing chain (3).



3. Remove the bolts (1) and chain tensioner (2).



4. Use the J 41816-2 protector  (1), the J 41558 remover  (2), the J-41558-10 remover bolts  (3) and the J 8433-1 puller  (4) in order to remove the crankshaft sprocket.



5. Remove the crankshaft sprocket (207).



6. Remove the crankshaft sprocket key, as required.