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Pontiac G6 Transmission

135 messages,  Last post on Oct 25, 2009 at 7:55 AM

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What is this discussion about? Pontiac G6, Transmission, Coupe, Convertible, Sedan

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#96 of 135 Tranny jump and jolt by orion61 Jul 09, 2009 (2:25 pm)
My G6 did the same thing to me jolting and jerking in the city at the same speed, when it finally dawned on me that I was driving it in 4th (OD) and was lugging the engine.. I have since dropped it to 3rd (in the city).. which was the norm for auto trannys when I grew up.  40K later no problems and I just had to learn my car.... I get a solid 33mpg highway and 26 city.. I love mine...ess I drive so many highway miles I don't have any break issues, I am surprised no dealer has mentioned this.. look at the tac if you are driving under 1.9k then you are lugging the motor in the city, a very bad thing.. I am sure there are lemons out there.. just be sure you are not using a lime to make lemonade.. Orion Replies to this message: dave06g6 (Jul 09, 2009 5:45 pm) bvdj84 (Jul 10, 2009 5:06 am)
#97 of 135 Re: Tranny jump and jolt [orion61] by dave06g6 Jul 09, 2009 (5:45 pm)
Replying to: orion61 (Jul 09, 2009 2:25 pm) You're talking about gear ratio hunt, many transmissions do this under moderate throttle at the 3-4 upshift, it will go back and forth in a manner which causes lag issues on the engine, your solution helps the matter but in some cases reprogramming the transmission control module is required. You don't have that issue with a CVT trans of course or a manual unless you do it on purpose!   Our issues here are not what you are experiencing. Try holding your engine revs at 3K then shifting to drive or reverse. This is what we are talkng about ! OK don't do that, but you get the picture on whats happening here in this discussion.   Fortunately I got out of my lease... I'm just following this thread to see if someone eventually gets a proper repair on this issue from a dealer. Replies to this message: bvdj84 (Jul 10, 2009 5:06 am)
#98 of 135 Re: Tranny jump and jolt [dave06g6] by bvdj84 Jul 10, 2009 (5:06 am)
Replying to: dave06g6 (Jul 09, 2009 5:45 pm) Based on the reviews, it looks like the G6 is pretty much dying. When compared to the competitors, its no longer trying to take the lead.   You can get used G6 for cheap now too. But, I am not sure I would, definitely not without a warranty.   I drive by the VW or a Honda dealer and so want to get the car I want. I could be paying the same amount or a bit more and be much happier.   Honestly, if it wasn't my engine acting so weird, than I would not be feeling like I want out so early. I have 23mths left on my lease. I am thinking that this fall or christmas time, I could be in a better position. In April or May I was about $6k upside down. It will level out at some point. My dealer has been more than helpful, but they can only move the numbers around so much.   Honestly, if I could get even $3k upside down, I'll move on it. I know its not advised, but I could work the sale price of the new lease, It would be worth it.   I am all about the engine on the next lease!
#99 of 135 Re: 'All About The Engine' by dave06g6 Jul 10, 2009 (6:42 pm)
I hear ya, been there (waiting for our lease end negotiation point), they let us out of it 6 months early but only because we purchased a car. I think the dealer was fair with us in swallowing the rest of the payments - GMAC did not want to, I think they want that guaranteed income.   Anyway - I hear you about Honda or VW or whatever else... but don't forget the Vibe > Matrix > Corolla > Camry... whatever you want to call it. In my opinion its the only GM I'd buy now after this powertrain experience. Vibes are mechanically identical to the Toyota Matrix, its wether you want the Corolla engine or the Camry Engine. We went with the 2.4 Litre Camry engine mated to the 5 Speed MANUAL. No more GM slushbox for us thanks very much.   Current incentives make this Toyota > GM product pretty attractive indeed, they are great cars and the powertrain is just as impressive - doubt I'll have a warranty issue with this thing in 160,000 kilometres. Too bad that the Vibe has to go along with Pontiac, but the California plant is closing as well. Get 'em while you can I guess !   And don't worry about parts, Toyota plans to carry on with the Matrix for years to come, and the Corolla and Camry powertrains are not going anywhere too so you're not going to have to worry about a Cam Sensor 10 years from now either!
#100 of 135 Re: late / hard shifting and P0010 / P0011 [sebastian7704] by djasper Jul 10, 2009 (8:23 pm)
Replying to: sebastian7704 (Jul 06, 2009 6:29 pm) Sebastian, Where were you a few weeks back. I have been stressed out over this same problem. The dealer splice on a new connector and it still didn't fix it. Next was replacing the actuator bank 1(as you said). They wanted $150 and So I checked another dealer and got it for $50. It will be in next week. The mechanic said that he would move the connector and the act would work on and off.. I believe you are the man.. thanks for the help. Replies to this message: sebastian7704 (Jul 16, 2009 3:17 pm)
#101 of 135 Waste of time and money by 06g6_girl Jul 13, 2009 (5:13 pm)
I purchased my 2006 G6 in 2008. Things started out great. The car was flawless! Right before my warranty went out I had to replace the O2 censor, the sterio, and the battery. Not even 3 months after replacing all of this I now have to replace my transmission as it has practically eaten itself out! It jerked around tons driving in town, would redline trying to climb a hill when I had the cruise control on, and had absolutly no power to it! The car has less then 50k miles on it and I am so far upside down in my loan I cannot get rid of it..   I make sure my maint. is always on time and I don't hotrod my car because I needed it to last me longer then year! I find the G6's a waste of time and money, It was the most worthless car I have ever bought! I see my 1998 cavalier still running around town and it has over 300K miles on it, and still runs excellent! Replies to this message: bvdj84 (Jul 14, 2009 4:48 am) toysg6 (Jul 14, 2009 5:47 am)
#102 of 135 reply by dave06g6 Jul 13, 2009 (6:09 pm)
Wow - sorry about your luck, thats exactly what I was afraid of with 6 mos left in the lease and the transmission hammering gears. Thankfully they took it back as we purchased a Pontiac Vibe (2.4L Toyota Camry engine with the 5 Speed Manual thank you Toyota)   Yours is the first I have heard of the transmission actually grenading itself from this issue. If you are still close to the 3 year / 60K Warranty period I can't see them not helping you out with this, considering the exact same transmission was covered under the newer GM warranty from 2007 upward. You need to speak with your dealer and ask them to handle this out of good faith with GM, I should think that they will make the effort.   Good luck...
#103 of 135 Re: Waste of time and money [06g6_girl] by bvdj84 Jul 14, 2009 (4:48 am)
Replying to: 06g6_girl (Jul 13, 2009 5:13 pm) Can you explain to me what your engine did? As you described it was jerking around in town... This could help me think of how my engine feels compared to yours.   Now, I don't feel like my car is as bad... but I would say its acting weird more often... in gears 2-3 when accelerating. It seems to slip or lug into the next gear. 1 time it actually hit pretty hard... just 1 time though it did it that hard. But it does it on a smaller scale, Its rough sometimes.   I would just like to know if this is what you experienced before yours died.  I have almost 18,000miles on it. I do lease. So that is a good thing.   I almost wish it would get a bit more worse, so the dealer could feel it too! I genuinely know something is not right.   Its not bad yet, its only me that notices it now.
#104 of 135 Re: Waste of time and money [06g6_girl] by toysg6 Jul 14, 2009 (5:47 am)
Replying to: 06g6_girl (Jul 13, 2009 5:13 pm) I agree with you. The G6 is a waste of money. I wish that I would have paid the extra money to get a more dependable car. My 2008 G6 was in the shop 2 days last week. They said that they reprogramed my transmission and that they couldnt find anything wrong with the hesitation when it cranks. Now that I have the car back, it's doing the exact same thing. The transmission is continuing to jolt. I pray that I can save enough money by the time the warranty runs out so that I can trade it in. My lesson learned is that cheaper doesn't always mean better.
#105 of 135 Re: late / hard shifting and P0010 / P0011 [djasper] by sebastian7704 Jul 16, 2009 (3:17 pm)
Replying to: djasper (Jul 10, 2009 8:23 pm) Update: The P0010 and P0011 came back with hard shifting, but this time I took the intake actuator out and checked its resistance. The proper resistance should be somewhere between 8 and 12 ohms. As I was trying to measure it , simply by touching the two pins sticking out of its connector with my little voltmeter tool, I noticed that it would jump all over from no resistance to almost nothing to way over 12. Pressing harder against the pins on various angles would sometimes make it go to proper range. I took the exhaust actuator out just to compare the tests, and they were perfect all the time. My conclusion is that the intake actuator is fried. One of the connector pins on it must have loose connection inside the sealed unit (or the solenoid it self is flaky but moving pins would hardly explain it). That explains the reason why it works sometimes and why when I played with the connector it also worked (for a bit).   I ordered a new actuator .. arriving in few days. I will take the old one apart to see exactly what the problem was.   btw. I suspect synthetic oil did the damage in the first place.

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