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Sedans Pontiac G8 G8 Problems
41 messages, Last post on Nov 25, 2009 at 2:42 PM
You are in the Pontiac G8 Forum. Your Hosts are pat & karens
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Replying to: quietpro (Jul 17, 2009 11:08 am) I found a TSB that addresses a rough 2-3 shift: TSB PIP-4395 GMC: FLARE AND OR HARSH 2-3 SHIFTS. THIS CONDITION MAY BE CAUSED BY LEAKING 1-2-3-4 AND 3-5-R CLUTCH FLUID SEAL RINGS (230). MODELS CADILLACS, CHEVROLETS, GMC, HUMMERS, PONTIACS. EQUIPPED WITH 6L80 (RPO MYC) OR 6L90 (RPO MYD) AUTOMATIC TRANSMISSION. *PE If you want to read more about it, run a Google search on the TSB and if you think it applies to you, take a copy to your dealer/service and have them check it out. I plan to. 
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Replying to: quietpro (Jul 17, 2009 9:18 pm) Seems that a keyword to emphasize here when describing the issue to dealer service people is: 'flare'.... Good luck! - Ray Now at approx. 11,000 [s]miles... |
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I recently purchased a beautiful liquid red Pontiac g8 3 months ago this is after winning an arbitrary with GM with an 07 Saturn aura XR. One of my main reasons for purchasing the g8 was the interior room and it was a completely different platform from the vehicle I was getting out of. Needless to say this gm producthas not been manufactured any better. Since purchasing this vehicle I have had 3 instances when there has been no throttle response when trying to accelerate. On the most recent incident while trying to merge on a major highway the check engine light came on 30 minutes after this episode. I drove it directly to the dealership where it had fault codes 11 and 21. These codes indicate there isexcessive movement in both banks of camshafts. My vehicle is now sitting at the dealership with the engine apart. Shims were installed on the right bank of cams and the left side they had to order a cylinderhead. Keeping mind this vehicle is 3 months old and 10000 km. After this I don't want anything to do with this car or any other gm product for that matter. I'm soooo pissed! |
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Replying to: hawksnest1 (Oct 04, 2009 4:22 am) 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...
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Replying to: rayainsw (Oct 05, 2009 2:23 am) 
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Replying to: tayl0rd (Oct 05, 2009 9:22 am) Oops. - Ray No help at ALL here.... |
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Replying to: tayl0rd (Oct 05, 2009 9:22 am) 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. |
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Replying to: whoosierdaddy (Jul 11, 2009 12:11 pm)
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Replying to: gearhed (Oct 29, 2009 5:00 am) |
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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.
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