Schley 69250 GM Duramax Flywheel Lock
Holds flywheel in place when removing or replacing the crankshaft bolt.
Simply remove the inspection window cover on the transmission, slide the flywheel lock tool through the inspection window until flywheel is engaged for removal of crankshaft.
Applications: 2001 and later 6.6 liter Duramax 2500 & 3500 diesel trucks with Allison transmissions
