Huge win for car owners! All TSBs to be made public. The Center for Auto Safety just made the NHTSA (US Government) make public the full text of all TSBs from now on. They are the same organization that has petitioned the NHTSA & filed lawsuits to protect car owners over exploding gas tanks & other major safety issues. Whenever you drive in your car, you are safer thanks in part to a lot of work over the years by this small but very effective consumer advocacy group.

Please take a moment & say thank you by donating $5 or whatever you can to the Center for Auto Safety.


hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
57,679 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2007 GMC Acadia engine problems

engine problem

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2007 GMC Acadia Owner Comments

problem #9

May 182013

Acadia 6-cyl

  • 55,308 miles


On 1/25/13 our 2007 GMC Acadia was towed to the show for what was described as a timing chain premature ware and was covered under a recall. The mileage on that date was 52,788. It is our understanding that the motor and transmission had to be removed. On May 18th 2013 I was driving and the car made a loud noise and decelerated down to 25 mph with a high RPM. At that point I pulled over. I noticed the car had no reverse. I brought the car to the local GM dealer. Today they called and said the transmission is shot. Current mileage 55,308. Waiting to hear back on exact issue. After reading online this is a know design flaw and has been since corrected. I should not have to pay for GM's design flaws. Also this is a major safety issue when your vehicle slows to a maximum of 25mph on a main road or highway.

- Bristol, CT, USA

problem #8

May 102013

Acadia 6-cyl

  • 89,500 miles
1-heated washer removed, catalyst converter replaced, timing chain issue, fuel pump, head lights all replace due to defect and now @ 89,500 I have a major transmission issue a PO752 code has been noted and the car is 5.5 years old and believe this is a defect GMC is aware of and failed to fix, even sugggested by amaaco the tcm may even need replacing. Feel like this car has been one defect after another which led to other defects happening and premature wear and tear on other parts.

- Burlington, NC, USA

problem #7

Dec 052012


  • 55,000 miles
3 months past the 5 year 100K warranty with only 55000 miles on the car and both the water pump and transmission went out. GM paid for half of the costs still $1253.05 out of pocket when it should all have been covered. This is a consistent problem with the Acadia and GM knows it but refuses to step up. The day the transmission went out we almost got thrown through the windshield definitely a safety issue.

- Lincoln, NE, USA

problem #6

Jun 042012

Acadia 6-cyl

  • 104,200 miles


In the rain or during wet road conditions the serpentine belt gets wet due to it's location at the bottom of the engine compartment. When this occurs the belt starts to slip causing an intermittent squealing and intermittent lose of steering control.

- Wanaque, NJ, USA

problem #5

Feb 012011

Acadia 6-cyl

  • 78,000 miles
I have had several problems with this vehicle. The washer fluid light is always on, no matter how many times I have taken it for repair the power steering went out 8 months after the vehicle three months later at this present time. After having the vehicle for not even a year, the transmission has given out beyond repair. I have gotten several different people to look at it, its beyond repair (rebuild). I have done a lot of research and found that many people have had the same problems I really hope this helps, I don't think the customers should be responsible for the repair of this constant problem.

- Tampa, FL, USA

problem #4

Mar 012012

Acadia 6-cyl

  • 90,000 miles
Left front headlamp inoperative. Requires $1200. In repairs. Vehicle unable to be driven at night. This is the most recent issue. Since buying the vehicle new. We have had major engine failure. Transmission failure. Water leaks from moon roof. Which effected the emergency brake monitor system. Recalled washer system. The issue with the headlamp is a defect in design. Though there is a recall for non hid. The wiring on the hid systems is having the same issues. GM refused to repair the vehicle. Even though it a known defect. I am a master automotive technician and have been for 26 years. I will provide expert testimony along with the cause of defect. This is a safety concern from 2 aspects fire and safely driving the vehicle.

- Berea, OH, USA

problem #3

Jun 012007

Acadia 6-cyl

  • Automatic transmission
  • miles


2007 GMC Acadia. Consumer expresses discontent in regards to several repairs and malfunctions with the vehicle the heater core leaked, the check engine light illuminated due to a faulty tuning valve, the auxiliary A/C evaportor was leaking and had to E replaced, the water pump, engine mount, and torque converter all had to be replaced, as well as the master cylinder which was leaking. Also, the ABS light and stabiltrak lights illuminated.

- Rancho Santa Margarita, CA, USA

problem #2

Aug 022010


  • 39,000 miles
The contact owns a 2007 GMC Acadia. The contact stated after removing the key from the ignition, the engine continued to run. The contact took the vehicle to the dealer but was advised that the failure could only be duplicated if the failure was consistent. The contact was concerned that the vehicle could be stolen with as the engine continued to run when the keys were removed. The vehicle was not repaired. The failure mileage was 39,000.

- West Richland, WA, USA

problem #1

Nov 022007

Acadia 6-cyl

  • Automatic transmission
  • 8,100 miles
My first 2007 AWD Acadia broke down after owning it for 20 minutes check engine light came on and it wouldn't move. Spent more time in the garage. When I got it back a week later it started to shut off while I was driving it but it only did it when I was stopped and made right turns on main roads. The car would shut off while driving but it would restart again. Got a replacement car had to pay 2,000 more for it and the replacement Acadia is doing the same thing. Its a death trap we could get killed pulling on a highway and the car shuts off and when they hook it up to diagnostic machine it says nothing shows up. It has been in for the software upgrades and a week later its shutting off again and has alot of hesitation. I have had it with GMC I just want my money back they lost my trust I should of stayed with my Jeep Liberty which was a great vehicle with no problems.

- Maple Ridge, 00, USA

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