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GMC Acadia Problems and Repairs

495 messages,  Last post on Nov 24, 2009 at 5:06 PM

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#486 of 495 Re: natural gas type smell [bfamily] by jmichaud2 Nov 02, 2009 (12:01 pm)
Replying to: bfamily (Oct 05, 2009 3:54 am) I just purchased an 09 Acadia AWD, and we immediatly noticed the very strong intoxicating natural gas smell that comes from the car - highly intermittant. I saw your notes in here, and asked my dealer to perform the "service fix" that you mention above related to the venting valve.   The service rep at the dealer promptly called me back and let me know that he searched up and down via GM, and cannot find any Service Bulletin published (directly from GM) about this condition.   Do you have any spefic GM Service Bulleting # that I can give them to reference so they can perform this repair?   Thanks Jason Replies to this message: bfamily (Nov 02, 2009 12:21 pm)
#487 of 495 Re: natural gas type smell [jmichaud2] by bfamily Nov 02, 2009 (12:21 pm)
Replying to: jmichaud2 (Nov 02, 2009 12:01 pm) Ask your dealer to call the GM technical help line. I don't think there is a published service bulletin out there; might be an internal one (maybe because there are so few cases?). The Tech line should be able to help you.
#488 of 495 Acadia shutting off in the middle of traffic by brown2428 Nov 20, 2009 (9:43 pm)
Have anyone had any problems with their acadia shutting of in the middle of traffic. I have a 2008 Acadia that I purchased in October of 2007, currently have 21800 miles. When I first started having this problem I had 19000 miles, that is before the car dealership started driving it around, trying to find the problem. It's stopped on me on the freeway and busy roads. I just so thankful that no one ran into me. The dealership keeping telling me they can't fix the problem if it doesn't duplicate for them, so they keep sending it back home to me and a few days later it stops again. I also have had the stability tracking problem too. I have sent my paperwork to BBB Lemon Law, because I am scarred to drive my car and I think they should replace it. Replies to this message: mikekris (Nov 21, 2009 5:40 am) brown2428 (Nov 21, 2009 6:24 am) rocket_08 (Nov 21, 2009 11:43 am)
#489 of 495 Re: Acadia shutting off in the middle of traffic [brown2428] by mikekris Nov 21, 2009 (5:40 am)
Replying to: brown2428 (Nov 20, 2009 9:43 pm) We had the same thing happen and the dealership had to keep the car for 8 weeks. They drove it everyday -- even gave it to one of there servicemen to drive back and forth to work. Finally, it happened to them - 3 times. They could not fix it. Even had diagnostics running when it shut off -- it gave them no answers. Eventually, we were able to get out of our lease and the dealership returned the car to GMC -- the dealership said they didn't want to be part of the paper trail if GMC resold it and someone died in an accident. It is very scary and there should be a recall of this GMC. Our car did the same thing and at speeds of 65 - 70 on the highway. Very Dangerous! Good Luck. It took us about 6 months to return the car and have GMC take it back....but they did take it back and they are very aware the problem exists. Replies to this message: brown2428 (Nov 21, 2009 6:24 am)
#490 of 495 Re: Acadia shutting off in the middle of traffic [mikekris] by brown2428 Nov 21, 2009 (6:24 am)
Replying to: mikekris (Nov 21, 2009 5:40 am) I am so glad someone had this happen to them. They trying to make me think it's my imigination. I filed the lemon law through the BBB and I've already sent all my papers. GM want me to drive my vehicle, in traffic to another car dealership in another town, which happens to be the dealership I purchased the car from. I told them to have it towed and they told me it would be out of my pocket. I don't thnk so! My car has been service over 4 to 5 times at a dealership in my town and they can't get it to duplicate. I keep trying to tell them it doesn't do it everyday, it's random. Thank you so much for replying.
#491 of 495 Re: Acadia shutting off in the middle of traffic [brown2428] by rocket_08 Nov 21, 2009 (11:43 am)
Replying to: brown2428 (Nov 20, 2009 9:43 pm) I had this same scary problem when I first bought my 2008 Acadia in Nov 2007. See my earlier posts #102 and #188.   My dealership had excellent mechanics who found out that the stopping in traffic was from  a "loose positive cable into the fuse block". They repaired it at that time; This problem has not recurred in the last 2 years, luckily... (knock wood)..   Have your dealership check this: they had told me the loose connection originated from the factory production. Once they fixed the connection into the fuse block, I have had no loss of power again... Good luck !
#492 of 495 How to stop the leaks by jaynelane Nov 22, 2009 (9:57 am)
My 2008 Acadia Leaked down the A pillars from the front sunroof. This got my front carpets soaked, but also soaked the noise barrier between the passenger and engine. This is a big sponge made of material like a tempura bed with rubber backing facing the passenger compartment. My husband is a corrosition engineer, he was there when they took the car apart and insisted it not be put back together until this and the headliner were compleatly dry and the carpet replaced. He used a moisture detector to probe the noise barrier. This may be where people are getting the moldy smell if it is not dried out. Also the L/H Fuse Box was affected with corrosion and had to be replaced. Which means it was leaking a little all the time.   There are two sunroofs and two different leaking problems to fix. Get a print out from the service dept to show how these work. 1.At the front sunroof there is a drainage tray all around it and the drain tubes go down the A pillar, at the bottom of the tubes is a screen (or cross shaped thing) to stop debris.This needs to be removed so it will not clog and stop the drainage of water that gets in the trays around the sunroof.( The service department said this was a stupid design in the first place) 2. At the back sunroof the drain tubes go down the C pillar. This is where they had a service bulletin that at the top of both sides is a short section of tube which was to short and comes unplugged and needs to have longer tubes to replace. But this back sunroof is fixed and does not open.The service dept said, why have a drainage tray around it in the first place. So they simple silled of the back sunroof, so it does not drain at all. 3. If it leaks at the B pillar ( where your seatbelts are) it is coming from over flow into the headliner from the two other problems. There are no drain tubes to this area. 4. Also some people complain that the car has a hesitation when trying to speed up. There is a service bulletin (which we don't get, they go to the dealers service dept) for a re-program to the vehicle to shorten the hesitation,which will decrease your fuel mileage by 2mpg, but at least it goes when I takeoff now.   I live in Washington and it has been raining ever since I got the repairs. No leaks so far. I hope this helps some of you with your problems.
#493 of 495 Re: losing steering in the rain [chaos42] by stillgmloyal Nov 24, 2009 (9:18 am)
Replying to: chaos42 (Mar 30, 2009 5:28 pm) So glad to find this forum. Since day 1, my steering has made funny whining noise when you turn it, and the service dept always said some lame thing like cannot replicate the problem, or they did some lame fix like added steering fluid. I live in Atlanta, and we have had severe flooding since Sept. Twice the steering has locked up on me, and I almost wrecked. On the second try, I was so scared, I panicked and told them to keep the car as it was constantly raining, and it was a safety hazard. Since it was a lease, I had to break the lease, pay the remainder of it, and bought a new car. We keep asking what could be done to offset the fact the car was not fixable. this website confirms there is an issue, and now i have gotten a letter from GM saying they won't settle my acct (I overpaid payments) until the car is sold. SOLD TO what? It isn't driveable. The steering noises happened with the first year, but the locking up didn't occur until this monsoon/500 year flood. ANY advice? Just going to start contacting everyone I can. I was not ready to buy a new car, and don't think I should have to do as the dealer said "if you fight this, it will take a year to settle and that is all you have left". This is not right...
#494 of 495 Noisy moaning power steering by vancoman Nov 24, 2009 (4:15 pm)
We have an 08 Acadia, and the power steering has been making awful moaning groaning noises for about 6 months now. We generally notice it when turning slowly in parking lots, left or right, and generally only when the car is warmed up a bit. It is very annoying, and you can almost feel it a bit in the steering column. It just does not sound right. I had it in the shop (GMC) once and the bled the power steering which did not help. I just got it back again from another shop (another GMC dealer) and the work order referred to Bulletin #PIT4879A - and they said the cause "Moan due to pipe vibration - Install hoses as per Doc. 2368186" and the repair was "Perform repair as per doc 2368186 Loctite and Clamp hoses to P/S PRess Lines". I was told it was fixed, but after five minutes away from the shop it was clear there was no improvement at all. Has anyone actually had any luck fixing this problem? I saw a few references in the posts to topping up the power steering fluid to above full?? Has anyone had any luck fixing this problem? We have had no other problems with the car and are very happy with it, other than the noisy steering problem. THanks. Replies to this message: ntelly (Nov 24, 2009 5:06 pm)
#495 of 495 Re: Noisy moaning power steering [vancoman] by ntelly Nov 24, 2009 (5:06 pm)
Replying to: vancoman (Nov 24, 2009 4:15 pm) Mine did that too and they changed the steering box I believe...it was doing it for a long time. I have one of the first 07's and have had all kinds of things changed and fixed. Right now it's the rods that hold up the trunk...it'll come slamming down on you..dangerous with kids! And it is also scheduled to have the outside temp thingy changed..it is always wrong. I had just gotten it back from having a clunking noise fixed...can't even remember off the top of my head what they changed for that. I've had a laundry list of things but I do have all the papers so I do know what has been changed. I do love my car despite everything.

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