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Old 02-09-2011, 04:07 PM   #1
Bus Ted Knuckle
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09 rear end swap

I have a line on a complete 3:73 rear end assembly out of an 08 sierra that I would like to swap into my 09 crew that has 3:32 gears. This unit is LOW mileage, and the rear-end is CHEAP! I would be switching everything from brake drum to brake drum.

I need to ask the obvious questions here:

1. will it fit correctly
2. will it create problems with ABS, Traction control, etc.
3. can the computer be re-flashed for a different ratio cheaply and/or easily
4. what other problems have I not thought about that this swap might cause (other that warranty issues)

Will this be a "plug and play" swap? I googled and came up with several threads on boards that are not nearly as friendly as ours, and that left me with more questions than before.

I have wanted to make this swap since I got the truck, but gear swaps are very expensive on these trucks.
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Last edited by Bus Ted Knuckle; 02-09-2011 at 04:08 PM.
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Old 03-02-2011, 02:58 AM   #2
Jerry Jones
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Re: 09 rear end swap

Long awaited bump for you!
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Old 03-02-2011, 11:28 PM   #3
Bus Ted Knuckle
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Re: 09 rear end swap

Quote:
Originally Posted by Jerry Jones View Post
Long awaited bump for you!
Thanks Jerry! I already let the rear end go though.

I just don't know much about this latest generation of trucks.
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