G 3500 1 Ton Van V8-379 6.2L DSL VIN J FI (1992)
Crankshaft Gear/Sprocket: Service and Repair
Removal/Installation
Timing chain alignment marks
1.
Remove front cover.
2.
Remove camshaft and injection pump gears.
3.
Remove cam sprocket, chain and crank sprocket.
4.
Reverse procedure to install. Install cam sprocket and crank sprocket so that timing marks are aligned. Next, rotate crankshaft 360° so that
camshaft gear and injection pump gear timing marks will align. Tighten cam gear bolt to specification Fig. 17.
