Crankshaft Sprocket Removal
REMOVAL - CRANKSHAFT SPROCKET1. Remove primary timing chain.
CAUTION: Use care not to turn crankshaft while removing crankshaft sprocket, as damage to valves and or pistons could occur.
2. Remove crankshaft sprocket by first installing the crankshaft damper bolt. Apply grease or equivalent to damper bolt head and position Special Tools 5048-1, 5048-6, and 8539 on sprocket and crankshaft nose (Fig. 119). Remove sprocket using care not to rotate the crankshaft.