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Discussion Starter #1
So and 05 dmax 6.6. Does that have an Allison? The guy at car Lot says all the diesels have an Allison. He's says if there's and exterior filter on the tranny then it's an Allison. Can someone please verify for me? Thanks!
 

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Yep, if its got a spin on filter its an ally

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Discussion Starter #4
Yes sir it's a 2500hd gmc 05 dmax, extra cab long box. Anything I should look for thatll cause me problems? It's got 150000miles. When listening to it anything to look for also? I just don't wanna screw myself, so anything will help, thanks.
 

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Yep, if its got a spin on filter its an ally

X2

Spin on filter is a dead giveaway.......so is the word "Allison" stamped on the tranny pan.
 

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Its only not an Allison if its a manual!
 
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