C 3500 Truck 2WD V8-454 7.4L VIN J SFI (1999)
Timing Chain: Service and Repair
Camshaft Timing Chain and Sprocket Replacement
Removal Procedure
Tools Required
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J 28509-A Crankshaft Sprocket Remover
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J 41371 Reluctor Wheel Remover.
1. Disconnect the battery negative cable from the battery.
2. Remove upper fan shroud from the radiator.
3. Rotate the engine until the timing marks on the crankshaft balancer and the engine front cover are on TDC.
4. Remove the drive belt from the vehicles drive pulleys.
5. Raise the vehicle and support with safety stands.
6. Remove the lower fan shroud from the radiator.
7. Remove the crankshaft balancer from the crankshaft.
8. Remove the water pump from the engine block.
9. Remove the engine front cover from the engine block.
Important: If the crankshaft position reluctor ring is removed, a new crankshaft position reluctor ring sensor must be installed.
10. Aligned the timing marks on the camshaft and crankshaft gears.
