DETROIT DIESEL 53
The crankshaft pulley is secured to the front end of the
crankshaft by a special washer and a bolt.
Remove Crankshaft Pulley
1. Remove the belts from the crankshaft pulley.
2. Remove the crankshaft pulley retaining bolt and
3. If a rigid type pulley is being removed install the
pulley retaining bolt and puller J 4/94-01 as shown in
Fig. 1. Then force the pulley off the crankshaft by
turning the puller center screw in.
Install Crankshaft Pulley
1. Lubricate the end of the crankshaft to facilitate
Fig. 1 Removing Crankshaft Pulley Using Puller J
1970 General Motors Corp.
SEC 1.3.7. Page 1