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GMC Acadia Problems and Repairs



  • kchef76kchef76 Posts: 3
    I have had my Acadia FWD SLT-2 for almost a year and it has almost 15K on it. Not too many problems other than the leaky sunroof. I have that same clunk you described and I assume it is the ABS activation from other bloggers voicing this such as yourself....albeit annoying my wife and I have learned to ignore it. The other annoying issue we have is the driver seat rocks back a half inch or so. The dealer said the fix is, get this, to have a 300 person sit in the seat and adjust the seat fully back and then fully forward 30 times to cure it. They performed this very scientific procedure with no success. It still moves back when I drive it when accelerating from a stop or when going up a hill at slow speeds. Overall the Acadia has met our needs. Good luck to you.
  • Good luck with the sunroof leak. They couldn't fix mine afer 5 attempts. Now they are giving me a new car.
  • My 08' Acadia also leaked behind the glove box and from the sunroof. I brought it in five times and they assured me they finally fixed the problem on the last one. I fought them and threatened legal action if they didn't give me a new Acadia. They did the right thing. Now I am waiting for my new Acadia which has been ordered. In the mean time it rained hared two days ago and its still leaking. I hope I have better luck with the next one. Good luck with yours!
  • ndelndel Posts: 12
    Please let me know if you resolve the issue of your gas smell in your acadia. I also have been getting a smell of gas through the vents in the car. I had it in 5 times but they can't recreate the smell. I don't think their trying too hard. I smell it everyday! I am over 5000 miles and it's not changing. I'm filing for arbitration. There is more information on messages191 thru 200. I also hate my car and I wanted to love it. The worst car decision ever made! So disappointed with GM.
  • davzgirl03davzgirl03 Posts: 1
    OMG! I bought a 2008 SLT1 Acadia and have had it for 2 weeks. Two days after having the vehicle the silver trim on the passenger door handle came off. I have noticed the clunking from the front end when it get to about 10mph after it's been in park. I took the vehicle in today to have the Touch of Class applied and told them about the two issues. We will see! After reading pages of complaints I am now terrified about this having just bought this car. After someone mentioned it earlier, I also notice a hum when it is idling. My husband just deployed to Iraq and we bought this car so we wouldn't have to worry about anything while he is gone. Eeek! I work full time with an hour commute each way and have a 2year old, I don't have the time or energy to be taking a brand new car in the shop. My hopes are that they will fix what I took it in for today and that will be the end of it. Right now, I'm not feeling very optimistic.
  • loachloach Posts: 246
    Take a deep breath. The noise from the front end is likely the anti-lock brake system doing its self-check and is normal operation. There is a TSB out where they can reprogram the way it operates to lessen the noise if it bothers you.

    Keep in mind you're reading a thread called "problems and repairs", so all you're going to read about on here is problems and repairs - there's similar threads here for just about every kind of vehicle! The vast majority of these issues will probably not apply to your vehicle.
  • I got my Acadia back from the shop this last week. They found that I did not have a drain tube on my dual sunroof, alas, the reason for the interior leaking. It came from the factory that way. They did fix the leaking problem, but in doing so, they broke the plastic grommets around the visor where it covers the headliner and also broke my drivers side seat belt. They also left my headliner covered with greasy hand prints. They had to remove the headliner to attach a drain tube. It is fixed! It rained yesterday and my car did not leak. I couldn't believe the dealership had turned the car back to me with the other problems they created while trying to fix it! I had picked my car up at closing time, so I just headed home even though the seat belt was too stiff to pull out. The height adjuster on the pillar of the car was not moving either. I took it back to the shop, and they ordered a new seat belt assembly and height adjuster. When they installed the new seat belt, I asked them about the broken (one broke, one missing) grommets around the area where the visors attach to the roof. The have ordered new parts for them now, and I guess I will be back in the shop again next week. After I pitched a fit about the dirty hand prints, they also took the car into their detail shop and cleaned it up. I now have 2966 miles on my car. The last two days, I noticed the interior lights did not come on when I got out of or entered the car. I read the owners manual last night thinking I must have accidentally pushed a button. I went through the steps with the button next to light button left of the steering column. I did this in my dark garage last night. I pushed the botton in, opened the door and no lights, then pushed to make it come out, opened th drivers door, and again the interior lights did not come on. The only way I can get the interior overhead lights on is to turn the buttton all the way to one side (same one that dials up the illumination of the instrument panel). But, then they are on all the time. I suspect something happened to the overhead lights when they detached the headliner to repair the leak. So, it looks like I will have another trip to the shop this week.

    Please don't think all of this will happen to you. It all depends on the mentality and skills that are available at your dealership. Hopefully, after the grommets are replaced and the interior light issue is resolved, I won't have any more problems. That is what I am hoping anyway. One of the service writers is quite disgusted with the performance of the serivce techs in the shop and he told me as much. He told me that I have good reason to expect more for the amount of money I spent to buy the car and the amount of time it has taken to resolve issues that were no fault of my own! He seems to be genuinely interested in seeing this car fixed. I am remaining optimistic as I really do like so much about the vehicle! They did something which fixed the gas mileage issues and I am not smelling gas anymore. Now that I know the "clunk" is harmless and evidently a characteristic of the vehicle, then I am not worried about that anymore. I just need the lights to come on when I get into the car, especially at night! It's a safety issue for me. It worked before I took it in to have the headline replaced, so it is not a factory problem. It's a local issue. Too bad we have lost all our skilled labor in America!
  • ndelndel Posts: 12
    Please let me know what they did to fix the gas mileage problem and the gas smell. I still have existing problems in that area and I'm at about 6,000 miles. Thank you
  • skiermarkskiermark Posts: 2
    I recently had my Acadia for poor fuel mileage I was getting 17mpg on the hi-way, they adjusted the tire pressure to the factory specs. The mileage came back up to 20 mpg on the hi-way it seems to do the best if you keep the speed around 60 to 70 mph also if you are in the hills and using your cruise control the transmission shift down to a lower gear the keep the speed set, if you don't use the cruise control on these conditions and rely on you light footed throttle and use the down slope to gain speed before you start your up hill assent you may find that this helps. You have to be aware of how much throttle you give if you want to increase your fuel mileage.
  • tuffsubjecttuffsubject Posts: 20
    I'm having a similar driver seat rocking issue with a squeaking noise when I stop or accelerate at low speeds. I don't know how much the seat moves, but the noise is annoying. It feels and sounds like a "cheap seat" for this class of a vehicle. I'm 300+lbs and I haven't tried the 30x-front-to-back maneuver yet, maybe it will work with mine! :-)

    (sorry this reply was for another reply to your message, but the message board seemed to tie it to your message ... and it doesn't go with your original message. Huboy...)
  • tuffsubjecttuffsubject Posts: 20
    Squeaky brake pedal for me too. It has gone away over time, or I got used to it.
  • I am sorry, I don't know what they did. I took my car in with the tank full, so I would know for sure they actually drove it. In addition, they showed me the receipts where they put gas in twice. In town, they got 15 mpg and out on the freeway, they got 24. I am still at 2966 miles, and have only had the vehicle out of town three times, myself. Twice was 25 miles away, and once 62 miles away, one way. I bought the car the end of Dec. '07 and I probably should have taken it out on the hwy more, but the weather here in Idaho was abolutely terrible for months. We couldn't go more than 50 - 55 mph for several weeks due to road conditions! The Acadia rocked in snow and ice, though. I absolutely loved the way it handled in those conditions. I noticed when I used the remote starter, everytime is smelled bad of gas. I thought I was flooding it or something by maybe holding the button down too long. It smelled of gas outside as well as inside. I am not smelling gas anymore, though. Maybe they made some kind of adjustment.

    I did ask the service writer if there was any kind of a TSB or upgrade to increase the mileage, and they told me "no". I am consistantly getting 14-15 mpg in town now. They must have done something. I won't complain. I will ask when I go in tomorrow about the interior light issue. Hopefully, they will tell me something that will be useful to all of you who are still suffering through similar issues. I will let you know as soon as I speak to them.
  • ndelndel Posts: 12
    Thank you. I only get 12-13 mpg with local driving. It's the gas smell that concerns me. It comes up through the vents when I have the heat or AC on, especially when I come to a stop. I can also smell it outside the car. I try to keep my recirculation button on to block it out. Local dealers have not been able to identify the problem. At 6000 miles I'm frustrated.
  • :confuse: I called today to schedule an appt. to address the disappearance of my interior lighting. While on the phone, I told the service writer that I was getting much better gas mileage, and I asked him what they did to make that improvement. He said they didn't do anything. What do you say to that? Something they did eliminated the smell of gas as well as improving the mileage. Maybe they put some kind of addative in the tank. Anyway, it is nothing they want to take credit for, apparently. I will speak more with the service writer that appears to be a little more intelligent and possibly more experienced and see what he says when I take my car in. Sorry I don't have any new information for you this evening, but I will certainly give a heads up whenever I find a new fix for this issue or whatever pops up next!
  • When the fault is your own, you have to admit it. I did not understand that there was a button on the dash--(not the push in dial that turns up the illumination on the instrument panel) , but rather the button behind that surrounds the round dial in question. I did not even know you could push that portion in! Anyway, the service writer provided me with a little education and wah-lah, the interior lights worked. I don't know how it got turned off to begin with, but I am guessing they (service techs)might have done it while working on the drain tube install. Maybe they did not want to drain the battery. As far as the compass on the rear view mirror, I must have fat-fingered it while using the Onstar and turned it off. Duh! So these were educational issues. My fault. The dealership installed the new grommets over the visors and they are great. I am happy. I am keeping my fingers crossed and hoping that the only reason I will need to see that service dept. is for oil changes! I hope to love and drive this Acadia for a good, long time. The gas mileage in town is 15mpg. I am told it is the weather being better. I will go with it for now. I can't complain. I used the AC today for about the 3rd time. (3040 miles now) It works well. The front of the car gets a little warm on the outside when exiting the vehicle, but I guess that is normal. I noticed the mpg went down a bit today, but that is to be expected when running the AC. I did not buy this car for gas mileage. I am a 51 year old female and comfort becomes an issue as you age. I would say the Acadia offers acceptable comfort. It really does fulfill the needs as I transport grandchildren, elderly family members, etc. It is so easy to get in and out of. The rear seat folds down easily for storage and the retrieval of groceries and such is a snap! I really like the "level" of this car for ease of use. So much is good about this vehicle, and I hope GM continues to look for fixes for the issues and takes care of them for all of us who had big hopes and dream for our Acadias. I will watch this site and post if necessary. Many thanks to everyone who posts. :)
  • acadia59acadia59 Posts: 4
    Too bad I did not find this site before today - I could have helped you with the light issue! I had the same thing happen. After calling the dealer after having it in there, and flipping through the book, it was a little embarrasing to find out it was my problem! The reason the button gets switched off is because when they are working on it they don't want to run down the battery with the interior light on. Just for future info in case it happens again.... Now about your leak - GOOD LUCK WITH THAT! I am sorry to tell you but today I dropped my car off for the FOURTH time for the same problem. I bought the car last January and did not have a problem with the lead under the passenger dashboard until August. It is good for a bit, then leaks again. The last time it was a major job. I started getting the "traction control off" message coming off and on and the driver interior reading light stopped working. Also I had problems with the acceleration. All of this was due to the water from the sunroof. They had to replace the whole fuse box (I think that was what it was called - will have to look it up). This took over a week. Two months later we are back to the water leak and the traction control light on. I called the manager requesting a meeting - he asked to have his guys instead of the outside "water" contractor work on it. So I dropped it off today, but am researching lemon law regs now. Hope you don't have the same continuous problem.
  • We have only had one good rain since the big leak. I didn't have a problem. I know they have washed my car twice now at the service garage and it hasn't leaked. I haven't actually had it at a car wash with the more powerful water jets, etc. Been kind of scared, to tell the truth! I was told that a Technical Service Bullitan (TSB) has been sent out to dealerships from GM, stating the drain tubes on the sunroof are too short. When the weather changes, it causes expansion and contraction, making it so the little tube disconnects completely. Then, you get the water problems. My car did not leak on the passenger side, just the driver side. I noticed it as soon as I entered the vehicle after work and took it to the dealership immediately. I am hoping it is fixed. So far, so good, In other posts, it looks like some people have used the lemon law to have their car replaced due to the leakage. My biggest concern still bothering me a bit, is the big knock when I first take off in the car. I am told it is the ABS system checking itself, but sometimes it will pop in the back, or under the floorboard, and followed by popping on the sides. And sometimes it is much louder than others. It sounds like metal when it has been dented. You know the noise or pop when that dent is pulled out, that is what this sounds like. So, right now, I am considering another shop's opinion. I hate being a nuissance, but a new car just shouldn't be this much work! Good luck on your water leak. Keep us posted!">
  • jbardojbardo Posts: 1
    I have a 2008 Acadia and it makes a "click" noise after putting it in gear & starting to drive. I took it back to the dealer and was told this is normal- ABS unit noise. It only happens when first starting to drive and doesn't happen after you stop and accelerate again. Does anyone else hear this "click" on your vehicle?
  • acadia59acadia59 Posts: 4
    I hear that noise also. I have never taken it in thought, probably because I also had this problem/heard this noise when I had my Dodge Caravan, so figured it was probably something normal. I am more concerned about the acceleration hesitation and the water leaks.
  • steverstever Posts: 52,462
    That's normal on most cars with ABS - it's the self check system. On some cars you may feel a shudder in the brake pedal too.
  • If the "click" is more like a loud "clunk", would you also state the noise originates with the ABS system? My pop or clunk is quite profound at times. Ocassionally, it happens more than once. (the noise). I have had many other GM cars equipped with ABS and I have never heard anything. I am still not sure there isn't something else wrong......trying not to be paranoid here, just want to be proactive if there is something that needs attention....please advise. (2008 AWD Acadia_
  • steverstever Posts: 52,462
    I was trying to remember the other "self-test" noise that's occasionally reported around here, but it escapes me. I don't even remember the make/model - it wasn't brake related but it sounded similar (maybe stability control?).

    My non-GM cars both self test for ABS - neither is all that loud. One definitely "shudders" the brake pedal (my 100+ foot driveway slopes downhill so often I'm riding the brake and notice it). The other car just makes a mild clunking noise.

    You could visit the dealer and ask to test drive one similar to yours.

    Any owners have any comments?
  • manufan1manufan1 Posts: 26
    I always do, but like you said, it only happens when the car is turned on and accelerating to certain speed. The dealer told me it was the ABS turned on & I accepted it. I do not know if all cars have ABS make similiar sound.
  • Hi all! I was just wondering if any of you have experienced any shifting issues? I bought my 08 Acadia yesterday, its the Carbon Black SLT-2. I was told that I just needed to bring it in and have a software update performed. Well I did that and I dont feel any difference in the shfting. So I was told to drive it for the weekend and see if it updates within that time. If it doesnt, bring it back and they will work on it...? The shifting problem feels as if I were drive a manual transmission and Im going like 30mph and you put it in 5th gear... sluggish! But if I tromp on it it will down-shift. It seems as if it is always trying to find another gear. Anyone have insight?

  • anthony008anthony008 Posts: 4
    Two weeks ago my 2007 Acadia would not idle normal during initial start up after sitting over night. It starts up then "hunts" for an idle. You can watch the tach bounce betweeen 1100 to 1400 rpm's until you press on the gas peddle then it stops. I brought it to the dealer and GM said it was bad gas experienced in the southeast region. GM vehicles are experiencing this problem with the new blends of gas made during the summer months. Well, they drained the tank flushed the engine and refilled it up. The problem went away until I filled up the car again yesterday (at a different station). Has anyone experience this problem. I will call the dealer Tuesday.
  • tuffsubjecttuffsubject Posts: 20
    I have a similar problem -- the downshifting is sluggish and by the time it loses speed and the accelerator is pressed (excessively) to get it to downshift, the need for acceleration has hit the critical point, resulting in a dramatic and jerky shift to a lower gear and a racing engine. I can eliminate this problem by putting the gearshift in "L" and manually downshifting at the point where I've pressed the accelerator and have gotten "no response" (as you describe, like driving in high gear at a slow speed and attempting to accelerate without downshifting). If I can do it manually, I am hoping they can program the PCM/TCM to be a little more aggressive at downshifting. There should be no need on a regular basis for the acceleration need to escalate to the point to require a dramatic downshifting/engine racing "episode". I can understand that this would happen if I were to punch the accelerator to the floor -- but not in conditions where gradual acceleration is needed.

    P.S. Mine goes into the shop 5/29/2008 to have this issue checked out.
  • Yes, but I already had it in the shop for the re-program and there is no difference. still the same. Im not sure what else they can do, any ideas? We need a gm tech on here!!!!!
  • steve177steve177 Posts: 1
    Today my wife ran into the back of another vehicle at a light driving our 2008 Acadia. When I got to where the accident was at first look I was impressed with the some what small amount of damage done to our vehicle and there was no damage to the vehicle she hit. Now to the reason I am posting this. Upon further inspection of our car I noticed coolant on the front grill. When I inspected the radiator i saw a place where something had been shoved into the radiator causing it to leak. What I found was there is a tab at each corner of the black grill on the front of the acadia and when the front end crumpled it shoved one of the tabs into the grill. If those tabs hadn't been there I wouldn't be paying 400-500 dollars for a new radiator. The accident was at less than 5 miles an hour. So be warned out there what you might think is a small fender bender with the Acadia can cost you a whole lot more money. I already called the customer service number for GMC and told them this should be changed for next years model but they wouldn't help me with the damage due to poor craftsmanship. Don't take this wrong I still love my Acadia just be warned.
  • aaplsueaaplsue Posts: 37
    I have the same issue with my new enclave, I took it to the dealer and they assured me it was the normal abs self check I did test a new one on the lot and it had no noise. I was also told from another blogger that a TSB has been issued and there may be a way to lesson the clunk noise. I did talk to Gm about the issue so they can look into it. Other then that the ride is quiet.
  • stuckonmestuckonme Posts: 9
    I have a 07 Acadia and have the same exact problems. The dealer is trying to make me think it's normal and not to worry about it. Well I cannot ingore the problem cause it is irritating. I have had my vehicle in the shop 3 times all times the transmission was reprogramed and the 3rd time they replaced some parts that after it was all said it done did not work. I am so frustrated at this point because a person should not have to go through this with a new vehicle. Bottom line GM is no help they are just blowing smoke up my a--- I am in search for legal help at this point and will probably file a bbb complaint. :lemon:
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