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Old 03-25-2011, 08:12 PM   #1
TylerLee
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2004 VUE 2.2L
Default trans swap VTI to 4T45E... do-able ?

I have a 2003 Vue with 4cyl 2.2 engine with a bad automatic VTI trans.
I read good things about the 4T45E automatic trans used on 4cyl 2.2's

Does anybody know if they are swapable/compatible ?

thanks

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Old 03-25-2011, 10:12 PM   #2
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2005 VUE 3.5L
2007 VUE 3.5L
Default Re: trans swap VTI to 4T45E... do-able ?

Quote:
Originally Posted by TylerLee View Post
I have a 2003 Vue with 4cyl 2.2 engine with a bad automatic VTI trans.
I read good things about the 4T45E automatic trans used on 4cyl 2.2's

Does anybody know if they are swapable/compatible ?

thanks
Possibly good news ... GM replaced the VTi with 4T45E for 2005 and up Vues.

I don't have a 2.2 so couldn't guess whats involved with a swap - but it they did it - its obviously doable.

...
I rarely visit forum but respond to private messages (PM). PM creates email to phone & please include email address with question. Avoid using Visitor Message feature ... I almost never check those.

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Old 03-26-2011, 04:05 PM   #3
Trilo_g
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2008 VUE 3.6L
Default Re: trans swap VTI to 4T45E... do-able ?

I would expect it will require a computer change out at the very least.

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Old 04-15-2011, 12:15 AM   #4
vue4x2
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Default Re: trans swap VTI to 4T45E... do-able ?

anyone found out more about this? would be nice to know we could swap out to another auto that would work?

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Old 04-18-2011, 12:06 PM   #5
tiger862
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2006 VUE 2.2L
Default Re: trans swap VTI to 4T45E... do-able ?

Well not exactly same but same techniques. This is on ION forum with CVT to 5 speed auto.

http://www.saturnfans.com/forums/sho...d.php?t=130775

There is a lot of reading but was done. I say get an 06 or 07 wrecked and buy it and then go for it. Still cheaper than CVT and more reliable.

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Old 04-18-2011, 02:20 PM   #6
Trilo_g
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Default Re: trans swap VTI to 4T45E... do-able ?

I notice that one post references swapping a V6/Auto for the 2.2 / VTI in a VUE.

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Old 04-22-2011, 10:55 AM   #7
psniadecki
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1991 SL1
2002 VUE 2.2L
Default Re: trans swap VTI to 4T45E... do-able ?

My 2003 2.2 VUE with VTI/CVT just died at 112K. I refuse to put another CVT in due to High Cost$$ and unreliability. Has anyone done this swap to a better tranny? I think the mounts should work, but what about the wiring harness and computer issues? Would like some guidance, Please!

...
Paul
=========
1991 SL1
2004 2.2 VUE, VTI
2002 2.2 VUE, Manual
2003 2.2 VUE, VTI(tranny failure at 112K miles)

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Old 05-27-2011, 06:15 PM   #8
TonyUFN
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Default Re: trans swap VTI to 4T45E... do-able ?

We're in the same boat. Fighting with the extended warranty company over it too... worse than pulling teeth. they obviously don't want to cover a replacement of the VT25.

I considered the Ion swap article, but considering he used the mounts from the Sedan's AF23... I'm not sure how either the AF23 or the 4T45 would work out. Maybe some fabrication too.

The other question that I have is the communication with the other systems. I know with other brands, the gauge cluster is tied in there as well. So I wonder about the same issues.

Swap trans, ecu, bcm, wiring(?) and mounts(?)...

Since I'm in this boat, I might as well get to experimenting. Just researching a little more. But I'm thinking the mounts might be the major issue.

Any thoughts?

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Old 09-01-2011, 10:58 PM   #9
Saturnanduranis
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Default Re: trans swap VTI to 4T45E... do-able ?

did anyone evr do the swap?

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Old 09-01-2011, 11:24 PM   #10
saturntechdave
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2005 VUE 3.5L
1993 SL2
Default Re: trans swap VTI to 4T45E... do-able ?

you would have to swap engine cradle with trans mounts, drive axles, wire harness, and TCM. Only FWD with 4T45 no AWD. I would find a 2005 or 2006 with the 2.2 and 4T45 to compare differences before attempting

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