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Compatible for Duramax 2500 / 3500 pickups .Remove metal spring-loaded inspection plate on the bottom of the transmission. Tool should slide into opening toward engine with the top of the tool engaging the teeth of the flywheel.
Easier work:
This tool slips into place under an easily removable inspection plate. Worked great at holding the engine solid while loosened (and tightened) the crank pulley on duramax（nearly 300 ft-lbs tight.）
How to use:
Toothed pieces only----Work with Duramax 2500 / 3500 pickups .Remove metal spring-loaded inspection plate on the bottom of the transmission. Tool should slide into opening toward engine with the top of the tool engaging the teeth of the flywheel.
Toothed pieces with screws---- Work with Duramax 4500 / 5500 trucks.Remove the rubber inspection cap on the bottom of the transmission.Insert the tool at the front of the opening to engage the flywheel and hand tighten bolt to hold tool in place.
Forged 36mm socket----- Remove harmonic balancer bolt and re-torque on installation. 36mm 12 point socket can also be used on axle.
Alan A Abt
Reviewed in the United States on July 4, 2024
Functional
wes
Reviewed in the United States on March 29, 2024
I had to do the water pump on my lbz this is mandatory to do the job on my truck
James wilkerson
Reviewed in the United States on March 18, 2024
I had the Lyle kit before but loaned it to a friend and never got it back this kit is identical
Slapstick
Reviewed in the United States on December 31, 2023
Works well and am still using when needed.
nikki
Reviewed in the United States on November 5, 2023
This tool is a must. It saves you hours of time. It fits perfectly. I highly recommend
Matthew S.
Reviewed in the United States on October 30, 2022
Make sure you remove the key from the flywheel before reinstallation of everything back up the harmonic balancer to remove because the key will be pinned it
Denver bennett
Reviewed in the United States on October 21, 2022
So this tool works great especially replacing a water pump on a 6.6 Duramax
JPM
Reviewed in the United States on October 13, 2022
Can't beat this tool for the price. It is a quality tool that does what it is meant to do (lock the flexplate in position). Made "easy" work of balancer bolt removal and torquing on reinstallation. The special socket fits the bolt properly.
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