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Sedans Pontiac G8 G8 Problems
49 messages, Last post on Dec 05, 2009 at 5:39 PM
You are in the Pontiac G8 Forum. Your Hosts are pat & karens
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NHTSA recalls all Pontiac G8s Pontiac and the National Highway Traffic Safety Administration have announced the recall of 35,038 G8 sedans for two separate issues. General Motors announced earlier this year that the Pontiac brand would be killed by 2010, with the G8 set to ride off into the sunset by the end of the year. According to the NHTSA’s Web site, the Pontiac G8 is being recalled for a brake light issue and a potential problem with the vehicle’s tire pressure monitoring system. The recalls cover all G8s from the 2008 and 2009 model years. Some G8 vehicles may have been equipped with an incorrectly programmed brake pedal position switch from the factory. The defect can lead to the continual illumination of the car’s brake lights, giving other drivers on the road little warning when the vehicle is coming to a stop. Due to the increased risk of crash, Pontiac dealers will begin fixing the problem June 5th. The G8’s second recall involves the vehicle’s tire pressure monitoring system. Some vehicles were equipped with the wrong programming, which could give false tire pressure readings. As a result, the system may not warn the driver when tire pressures fall below safe levels, potentially leading to deteriorated handling or even a crash. |
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Replying to: pfwiz (Mar 27, 2009 5:38 am) I have had the vibration problem too. They replaced one of my tires. It helped. Sometimes the steering wheel has a vibration to it and sometimes not. IIt is different then the slight vibration you feel in the car when it goes into 43 cylinder mode. I have 2800 miles on ours. |
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2009 G8 GT: Well after 2800 miles the turn signal seems to get stuck on and the repeater will not turn off automatically. I am waiting for the dealer to "contact the engineers" for a solution. My guess is either the cam or switch is starting to fail. Started to be an issue with wide turns to the left. It is now sporradic on the right turns as well and tight turns. Seems to be worse when the car is hot from sitting in the sun. Only started to happen about a weeks ago (around 2600 miles). Anyone else have this problem or recommended solutions?
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this is why no matter how well the G8 performs - I don't think I'm going to buy one. When you consider the quality issues AND you factor in that Pontiac is dead, and GM is having it's own problems - do you REALLY think you're going to get quality customer care AFTER you buy it? they will tell you what you want to hear to get your money - once you have the car - you will be on your own.
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Replying to: geeeight (Jun 07, 2009 5:22 pm) It may be a software issue. I know that sounds funny but many of the controls on the new cars are not governed by the typical timer or PCB anymore. My hope for you is that there is a TSB that applies, and that it is a programming issue. Good luck.
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Replying to: camydog (Jun 19, 2009 5:43 pm) The part was probably damaged during factory installation and just worked loose over the short driving time. Love the car. Simple to fix took a while to diagnose and get the parts into the dealer. |
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Replying to: 23109vc (Jun 19, 2009 9:29 am) BTW, if rotors pulsate on an almost brand new car, they should be replaced. It means that they are cheap rotors and they are getting warped. If you turn cheap rotors like that , you remove more metal and make rotors more susceptible to warpage.
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Replying to: p100 (Jun 30, 2009 8:41 pm) I've had a couple new cars that sat on the lot a long time. It took about 1500 miles before the brakes completely stopped pulsating. I suspect an uneven rust pattern on the rotors. These cars spent some time at sea and parked at a port, so salt air might be the culprit.
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Replying to: pafromfl (Jul 01, 2009 8:20 pm) I've driven four G8 GTs to date and only one has had a brake issue...the one I took delivery of. Lucky me, huh?  But, I'm more than confident that my issue will be resolved to my complete satisfaction. As stated in a previous post, I suspect my problem is also due to rust on the rotors (they aren't warped, they're rough). Perhaps I'll be proven wrong, but I think I'm going to be a very happy owner. If, after the dealer has had the chance to fix my issues, I'm not satisfied, I'll definitely report back. I'm very "picky" but have been happy with my last two GM cars. |
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Anyone have an issue with the transmission on their G8 GT? I've driven a few and the one I own has a quirk that happens about 50% of the time. The problem is that during some stops or slow-downs (bringing the car to 1st gear), the transmission seems to delay for a split second, causing an abrupt start or jerk. When this behavior is displayed in 1st gear, the shift from 2nd to 3rd seems to also be rough (slow shift followed by abrupt surge). I've talked to my bro-in-law who owns a transmission shop and he agrees that it probably isn't mechanical. He says it's more likely a firmware glitch that can be easily fixed by flashing (very common, he says). This is a minor nuisance, the type of issue many would not really recognize as an issue but I figured I'd ask and see if anyone else has had any experience with the problem. Thanks! 
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