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Hey All! My husband owns a 2006 G6 GTP 3.9L Manual. We've been trying to find out as much as we can about this particular combination, but info seems hard to find. His Reverse gear is next to 1st, which according to some people is again, a weird/rare combo. Any info or guidance will help and is greatly appreciated! Im working on adding photos!
 

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So what is your question? Having first next to you reverse just means that is a European transmission. This transmission actually originates from a Saab 9-3. simply pull up on the ring on the shifter while having the clutch fully depressed and it will go into reverse. Also it serves as a ignition lock out the car must be in reverse to remove the key. I also have the same combination it is definitely rare on a G6 and it was only made for 2 years maybe 3 .then all went automatic .
 

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Hi, I just bought a 2007 G6 3.9L 6 speed manual. As mr.sandman said you have to shift to Reverse to get the key out then when the key is removed it locks the trans in Reverse. There is a cable and lever on the right side of the shifter down in the console, the previous owner had disconnected it to disable this feature. I re-attached it for now, at least until I understand why they disconnected it.

My OE shift knob has all the leather peeled from it, just plastic now. New OE knobs seem expensive, but havent found aftermarket shifters with a smooth 16mm bore. Has anyone seen them?
 

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See if a knob for another GM car might fit. I doubt GM would make a special shifter just for the G6. I'm thinking Cobalt SS or Saab 9-3. I know Momo made a nice one for those cars.
 

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Okay.... Your 6 speed is known as an "F40". The only vehicle it was available in with the V6 is the G6 / Malibu platform (and I'm not too sure about the Malibu.)
It's a very sturdy transmission. A lot of the Fiero guys are bolting it to V8 engines (especially the LS4) for "frankenstein" engine swaps. I have only ever heard of one breaking, and that was used in a turbo'd V6 Fiero swap. It was a salvage yard trans, and may have already been damaged before the swap, so I wouldn't read a lot into the breakage.
It uses an odd "dual-mass" flywheel, that is no longer available from GM, but is available from the aftermarket. It's hellishly expensive, however. (As the story goes, flywheel replacement is recommended when the clutch is replaced.. Take that for what it's worth.) Clutches are available from several manufacturers.
If you have any specific questions, I will try to answer. I don't own one of these, but have read about them extensively. If I don't know the answer, I will tell you. I don't have anything to gain by BS'ing.
I hope you enjoy your ride. A manual trans is the only thing I wish my G6 had.
.
 

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The G6 was available in 2006 and 2007 with the manual trans, and only with the 3.9L motor. It is the F40 RPO code, as mentioned before, and the Saab used a version of it with the 9-3 as mentioned, but behind a 4 cyl. The Malibu did NOT come with a manual option, only the G6. There was a gear redesign from 2006-2007 to fix an issue with 3rd gear I believe. There was a time when you could buy the 2006 transmissions new on ebay for <$300, which many fiero guys did.
 
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