Truck Forums - transmission

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mitch cobb racing

06-14-2008 07:53 PM

transmission

does anyone know what trans comes in an 08 sierra denali. its a 6 speed, but thats about all i know about it

adamc91115

06-14-2008 10:08 PM

RE: transmission

6L80E I believe?

rxsteven

06-16-2008 08:19 PM

RE: transmission

6l65e I think. Dose it have all whell drive?

adamc91115

06-17-2008 04:36 PM

RE: transmission

I'm almost positive its a 6L80E...

I don't think a 6L65E exists in a GM truck.

rxsteven

06-18-2008 08:31 PM

RE: transmission

The 65E came in some of the Denali's with the all wheel drive and rear steering.

mitch cobb racing

06-18-2008 10:51 PM

RE: transmission

it has AWD but not rear steer

jcbst12

06-19-2008 08:54 AM

RE: transmission

Those are the best GM transmissions in my opinion (second only to Alison). I heard all the Silverados, Seirras, ect where supposed to get that trans in 09. I hope they do. And I hope they shed some of the TQM too while they are at it.

If they mated that 6 speed to the 4.8 deisel they are supposedly coming out with, I would buy one.

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