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Quick Install
With a few simple steps you’ll be able to install this Transmission Test Port Adapter along with a temperature sensor to a GM 6.6L Duramax Allison 1000 Transmission.
Remove Factory Plug
Locate and remove the factory plug from the bell housing, located next to the spin-on transmission filter, using a 15mm wrench.
Thread Sensor into Adapter
Wrap Teflon tape around the threads of the temperature sensor and thread into the Test Port Adapter. Tighten to no more than 12 ft/lb.
Thread into Test Port
Thread the adapter and sensor into the test port and tighten to 10 ft/lb, making sure not to overtighten.
Who We Are
GlowShift is your source for cutting-edge aftermarket automotive products specially designed for cars and trucks. Our diverse lineup includes a variety of gauges, gauge pods, and gauge accessories such as adapters, sensors, wiring harnesses and much more.
Dean Cotton
Reviewed in the United States on June 1, 2023
Works as advertised
Customer
Reviewed in the United States on May 28, 2021
Works as should
Joesph C.
Reviewed in the United States on August 30, 2019
Worked great for the test port on my Allison
Wes
Reviewed in the United States on June 24, 2019
Hole was small but nothing a little man drill cant work out. Works great!
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