FeaturesLocks Flywheel in Place When Removing Harmonic Balancer on 6.6L Duramax Engines with Allison Automatic Transmissions.Saves time by locking the flywheel at the transmission instead of having to remove the starter for water pump replacement.Tool should slide into opening toward engine with the top of the tool engaging the teeth of the flywheel.Insert the tool at the front of the opening to engage the flywheel and hand tighten bolt to hold tool in place.Use 36 mm 12-point socket with in. square drive to remove harmonic balancer bolt and retorque on installation.Item Weight - 2 lbs.
