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G8 Problems

39 messages,  Last post on Nov 24, 2009 at 6:58 PM

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What is this discussion about? Pontiac G8, Car Warranties, Sedan

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#30 of 39 Re: Pontiac mistake [hawksnest1] by rayainsw Oct 05, 2009 (2:23 am)
Replying to: hawksnest1 (Oct 04, 2009 4:22 am) Interesting. Sorry for your troubles. I followed 2 Corvette specific boards for over 3 years, before & during my Corvette ownership - and now follow a G8 specific board - and I have never heard of a problem like yours in an LS2. Odd. Good luck! - Ray Many trouble-free LS2 miles... Replies to this message: tayl0rd (Oct 05, 2009 9:22 am) rayainsw (Oct 05, 2009 9:32 am) hawksnest1 (Oct 05, 2009 4:51 pm)
#31 of 39 Re: Pontiac mistake [rayainsw] by tayl0rd Oct 05, 2009 (9:22 am)
Replying to: rayainsw (Oct 05, 2009 2:23 am) He doesn't have an LS2. Deducing from the lack of "GT" after the G8 and the mentioning of left and right bank cams, he has the V6. That said, I haven't heard of those issues from that engine. Then again, I don't follow it at all. I'm a V8 man. Replies to this message: rayainsw (Oct 05, 2009 9:32 am) hawksnest1 (Oct 05, 2009 4:51 pm)
#32 of 39 not an LS2 Re: Pontiac mistake [tayl0rd] by rayainsw Oct 05, 2009 (9:32 am)
Replying to: tayl0rd (Oct 05, 2009 9:22 am) Aha - you are correct. Oops. - Ray No help at ALL here....
#33 of 39 Re: Pontiac mistake [tayl0rd] by hawksnest1 Oct 05, 2009 (4:51 pm)
Replying to: tayl0rd (Oct 05, 2009 9:22 am) Thank you for clarifying that info for me. I wanted to get the v8 but there was none to be found in my part of Canada. As a matter of fact, I had to go out of province to get this car.
#34 of 39 Re: Low front air dam [whoosierdaddy] by gearhed Oct 29, 2009 (5:00 am)
Replying to: whoosierdaddy (Jul 11, 2009 12:11 pm) I stop the car when the tops of the outside mirrors line up with an imaginary line drawn across the concrete bar. This stops the point of the front air dam about two feet away. Better safe than sorry. Replies to this message: whoosierdaddy (Nov 01, 2009 7:06 pm)
#35 of 39 Re: Low front air dam [gearhed] by whoosierdaddy Nov 01, 2009 (7:06 pm)
Replying to: gearhed (Oct 29, 2009 5:00 am) Thanks, I'll try that. Have been VERY careful since.
#36 of 39 Rumble strips by jbieber Nov 14, 2009 (8:14 pm)
2 months ago I bought a GM Certfied 2009 G8 GT with about 19,000 miles on it. Love the car but have one issue which the dealer is claiming is normal. When driving at slow speeds (20-30mph) or in traffic, when I just give it a slight amount of gas pedal, I get a constant vibration through the gas pedal that feels like a mild rumble strip on a highway. I've seen many other transmission and vibration problems on this and other G8 forums, but haven't seen this one. Any suggestions would be appreciated, before I go to war with the dealer. Replies to this message: rayainsw (Nov 24, 2009 3:40 am)
#37 of 39 Rumble strips is your AFM DoD by gearhed Nov 22, 2009 (7:02 pm)
You DO know your G8 GT cuts back to four (4) cylinders at LIGHT gas pedal or drifting downhill. This saves gas. AFM (Active Fuel management) or DoD (Displacement on Demand) lets this powerful engine get six cylinder gas mileage if driven lightly. Don't be a numbskull and blame the dealer. It's SUPPOSED to do this and you will get vibration in four cylinder mode.
#38 of 39 Re: Rumble strips [jbieber] by rayainsw Nov 24, 2009 (3:40 am)
Replying to: jbieber (Nov 14, 2009 8:14 pm) “Don't be a numbskull and blame the dealer.”   I find the name-calling offensive.   As a G8 GT driver, I can make these [ potentially useful ] comments: Though cylinder de-activation can occur at 20-30 MPH, I find that the effect of AFM \ DoD is typically most noticeable at steady speeds between 55 and 65. You can monitor the de-activation by driving at the same speeds \ throttle openings in Engineering Mode. And you can verify [ or eliminate ] AFM as a possibility, by driving under the same conditions in Sport \ Manual – as AFM does NOT activate in that mode. Good luck. - Ray 2009 14,900+ miles . . .
#39 of 39 air condition problems by mjc5865 Nov 24, 2009 (6:58 pm)
i bought a new 2009 pontiac gt in june of this year.. i love the car it is very fast and fun to drive.. but i am having issues with my ac compressor i am currently having the third one installed in the car along with the second serpentine belt... is anyone out there having the same problems with there g8 gt??? thank god it is under warranty

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