How do I determine what transmission is in my truck???
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Asked by mtmonarch Jun 06, 2012 at 06:49 PM about the 2007 Chevrolet Silverado 2500HD 2LT Crew Cab 4WD

Question type: Maintenance & Repair

I have an '07 2500 HD w/6.0L gas & 6 speed auto trans. In my owners manual, it lists two possible types of tranny's, a 6L80E, & a 6L90E. I was wondering how to tell the difference & WHAT is the difference in the tranny's??

5 Answers
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Jesse answered 11 years ago

Yes a 1500 will come with the 6L80e. The HD trucks get the HD transmission (6L90e)

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GuruS1MKL answered 4 years ago

Buying a 2005 Chevy 2500 HD. Two wheel drive. What trans comes with this truck

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James answered 3 years ago

I got a question I bought a 2007 new body an they put a hp tuned 6.0 in the truck what transmission do I need cause what ever is in here just don't seem right I can hit the gas an the motor reves up like it in neutral let off then it will kick in

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GuruDZP19P answered 4 months ago

I have 2007 GMC Sierra 1500 HD; it shifts fine until the transmission warms up 150 degrees and then it shifts hard going into second gear.

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