2001-2016 Duramax LB7 LLY LBZ LMM LML Flywheel lock Allison 1000
- Holds the flywheel in place without removing the starter!
- Locks flywheel in place when removing harmonic balancer on 6.6L Duramax LB7 LLY LBZ LMM LML Engines with Allison 1000 automatic transmissions.
- Saves time by locking the flywheel at the transmission instead of having to remove the starter for water pump replacement
On 2500 and 3500 Chevy and GMC pickups, remove metal spring-loaded inspection plate on the bottom of the transmission.