Procedures
CRANKSHAFT END PLAY1. Mount a dial indicator to a stationary point at front of engine. Locate the probe perpendicular against nose of crankshaft (Fig. 53).
2. Move crankshaft all the way to the rear of its travel.
3. Zero the dial indicator.
4. Move crankshaft all the way to the front and read the dial indicator. For crankshaft end play clearances refer to Specifications.
REMOVAL-CRANKSHAFT SPROCKET
1. 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 TDO1S 5048-1, 5048-6, and 8539 on sprocket and crankshaft nose (Fig. 54). Remove sprocket using care not to rotate the crankshaft.