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SUVs GMC Acadia GMC Acadia Problems and Repairs
492 messages, Last post on Nov 22, 2009 at 9:57 AM
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I just bought my 2008 Acadia 4 weeks ago. Right afterwards, I noticed an annoying vibration in the gas pedal when it is shifting gears. It vibrates under my foot nearly all the time... which is uncomfortable and distracting. But this is nothing compared to the shocking thing that happened last night: Yesterday evening (12/15), I found that the gas gauge was not reading properly (it was reading almost empty a few hours after I had put a quarter tank of gas in it.) I added another 12 gallons at the gas station. When I pulled out of the gas station, and was down the block, the car SUDDENLY lost all power: the lights on the dashboard went dark and the car rapidly decelerated. Then the lights flickered back on and then went out again and came back on. When they were flickering, the car was slowing down and there was nothing I could do. I was crossing the road into the grocery store parking lot against oncoming traffic. Luckily, there was no one behind me. If there had been a car behind me when I was suddenly slowing down, they might have smashed into me. I was shocked by this.. I went into the store to get the groceries, then went home. Now, I feel that I just paid alot of money for a new car (down payment and financing), and I may have bought a lemon... I can't trust it ... I am taking it into the dealership tomorrow... Between the vibration and the electrical failure, I feel really cheated: I not only lost my old car in the recent car accident (someone ran a red light and broadsided and flipped over my SUV), but I can't yet enjoy this new vehicle because of this disappointing and frightening behaviour. Any advice from fellow Acadian owners ? A number of people have told me that new cars often have problems and need adjustments when people first buy them. Have any of you had this experience of the electrical system suddenly failing and having the car be powerless ? What recourse do I have to get rid of this car and get a new one if this one is defective ? (The credit union, who gave me my car loan, has the title until it's paid off..) I really love the Acadia styling and features. It's a beautiful car with wonderful cargo space, comfortable seats and a snazzy look. I was so happy to have found this model and really wanted to buy one.. but I am so shocked by this failure of the systems, I feel betrayed .. I appreciate any information about what the problem might be so that I can advise the mechanics what to look at. Thanks for all your help and advice, everyone. 
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Rocket, don't be so quick to write it off as a lemon. People design and help assemble these vehicles, so there will always be a problem here and there. Just weeks after I got mine it needed some software updates to the PCM (powertrain/engine computer) and TCM (transmission). I also had noticed unusual shifting patterns prior to these updates, but it is much smoother now. When anything goes wrong like losing power, etc. you should hit the onstar button right away and have them run a diagnostics report -- you will want this documentation to give to your dealer if "nothing shows up" once you get it into the shop. There will likely be some fault codes they can give you. I've had a couple of electrical problems also -- unexplainable. Once, the driver seat started sliding forward. I thought I was going to break my leg as it moved up so far my knee was getting pressed into the dash, and my gut was headed for the steering wheel. Dummy me, I was so shocked at what was going on it wasn't until just the last second that I thought to reach down and move the control for the seat to move "back". (I'm an experienced GM driver, I did NOT accidentally hit the "driver # 2 settings" button -- I didn't do anything to make this occur, it just spontaneously starting sliding forward. And, the "driver #2 setting" wasn't set to that position anyway). This has never occurred again. A second weird incident was when the driver seat reclined -- all the way. This was also spontaneous, just after I had gotten in the car and started it. The solution: I just pressed the button to "unrecline" and the seatback came back up. This also never occurred again. I have a feeling there's either a software problem or a wiring harness that has a short-circuit (or two) in it, related to the driver's seat. I'm taking it back in soon to have the AWD-not-working-properly-in-reverse problem diagnosed. I had to put off my trip to the shop last week for that due to weather. Keep us posted on what you find as a solution to your problems! 
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Replying to: rocket_08 (Dec 16, 2007 9:06 pm) I found one and very important thing, tried to use "Top Tier" gasoline. I was reading a lot differenret forums about this, such BMW, VW, Toyota, Honda a lot people had problems with fuel gauge and car runing rough. |
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Replying to: arohman (Oct 21, 2007 5:30 am)
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Replying to: rocket_08 (Dec 16, 2007 9:06 pm)
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Replying to: poncho167 (Jun 05, 2007 10:06 am) |
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Replying to: seabrook99300m (Jul 16, 2007 3:46 pm) |
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Replying to: jbruno15 (Aug 22, 2007 3:49 pm) Take care |
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Replying to: eternalcrest (Oct 26, 2007 7:04 pm) |
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Replying to: thewhites2002 (Oct 27, 2007 6:40 am) |
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