K 2500 Truck 4WD V8-454 7.4L VIN J SFI (1997)
8. Align the timing marks.
9. Remove the camshaft sprocket bolts.
10. Remove the camshaft sprocket and the camshaft timing chain.
11. Remove the crankshaft sprocket using a crankshaft sprocket remover.
12. Remove the key, if necessary.
Installation
Tools Required
J 22102 Crankshaft Sprocket Installer
1. Install the crankshaft key, if necessary.
