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Discussion Starter #1
so I have a 2005 Pontiac g6. right now it has a four-speed automatic
transmission however it is on its last leg so I will need to replace the
transmission. I do not want another automatic though. I would like to put a
manual transmission in. I am trying to do my research because I don't know
a whole lot about transmissions but from what I know the only g6s made in
manual are from 2007. so my question is if I found all the parts required for
the switch in a 2007 manual g6 would they all fit and work in my 2005 G6? Thank you.
 

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I don't think so.
The complete swap would be the transmission, the wire harness for the bay, (as the trans sensor harness is integrated), the clutch lines and brackets, swap the pedal assembly, and whatever is involved with the console and shifter hardware.
As for the PCM, and the programming, you might be able to swap and reflash, not sure.
Unless you have tons of time and money, finding an equipped car would be a better choice.

Sent from my XT1635-01 using Tapatalk
 

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As Davez26 said, you will need a lot of stuff. Best bet would be to find a wrecked car with a manual trans and swap over everything you need. Still a lot of work.
 

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This has been a dream for me as I would much prefer a standard trans in my G6. The truth is, the sister car to the G6 is the Opel Astra - and it came on stick in the EU. Maybe those parts would ft. It never came with a 3.6 or 3.9L engine in Germany though, 2.4 or smaller only.

It looks as if whoever goes down this road is all alone in their endeavor. I for one would salute the only person in the USA with a V6 G6 on stick.
 

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There was a manual transmission option on the G6 through '07 (GT & GTP coupes/sedan w/3.9 engine. No convertibles). Not many were built and good luck finding a parts car. Every now and then one shows up on CraigsList locally. I read somewhere here that there was one successful conversion many years ago. Engine and transmission changes became very messy since OBDII when the electronics became so formidable. Good luck.
 

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The truth is, the sister car to the G6 is the Opel Astra
No, the sister car is the Opel Vectra, not Astra. And the Saab 9-3.

If you want a manual trans, you can find them. Here is one for sale, and cheap:

All you need is a lot of money, skill and time. Piece of cake. And you'll end up with a car worth close to nothing.
 

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Doesn't this look like the G6 convertible? More so than the Vectra.


17803



Holy crap! What a find. That's amazing. I would pull the trigger right now on that trans, if I had the wherewithal for all the rest of the components. That will probably end up more than the trans itself.

You are right, the car is not going to pique the interest of any collectors. These are not valuable cars. But you can buy the same amount of smiles with them for cheaper than you can anything from the other side of the pond.
 

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Doesn't this look like the G6 convertible? More so than the Vectra.
Looks have nothing to do with it. When you say "sister car" it means built on the same platform. The G6 was built on the Epsilon platform. The other Epsilon platform cars are the Vectra, 9-3, Malibu and Aura.
 
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