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really awful
Crashes / Fires:
2 / 1
Injuries / Deaths:
0 / 0
Average Mileage:
76,266 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 drivetrain problems

drivetrain problem

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2007 GMC Acadia Owner Comments (Page 1 of 8)

problem #146

Aug 232012


  • miles


My computers and cell phones were hacked and the harassment didn't stop until I disconnected onstar. I never had a account to this. Transmission went out during the harassment they knew and heard everything I did.

- Rowlett, TX, USA

problem #145

Jul 102015


  • 100,000 miles
The sunroof leaks and causes electrical problems. Suddenly while driving the power steering gears, rack, and bushings are defective causing the power steering to go out during low speeds. Tried having it replaced under the recall, however, 9 months later the same thing happened and nobody wants to fix it or allows for the dealer to replace it again. This is a major safety feature that should never be acceptable! also, the transmission already had to be replaced and is going out again. The manufacture made a faulty vehicle and should be held accountable for these parts and the labor not to mention the inconvenience of having to fight with the dealer and GM to get the problem corrected.

- Claremore, OK, USA

problem #144

May 302016


  • 122,000 miles
The contact owns a 2007 GMC Acadia. While the vehicle was parked with the engine turned off, a passenger attempted to enter the vehicle and hit the gear shifter. As a result, the gear shifter moved out of the park position and the vehicle rolled forward into a ditch. The air bags failed to deploy. There were no injuries. A tow truck was able to pull the vehicle out of the ditch. The vehicle was not diagnosed nor repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 122,000.

- Portsmouth, VA, USA

problem #143

Jan 012016


  • 110,000 miles


The contact owns a 2007 GMC Acadia. While driving 25 mph, the gear shifter became stuck in gear without warning. The failure was persistent. The vehicle was taken to a dealer where it was diagnosed that the transmission control module failed and needed to be repaired. The vehicle was repaired; however, the failure recurred. The vehicle was towed to the dealer where it was diagnosed that the transmission failed and needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 110,000.

- Marshfield, MA, USA

problem #142

Dec 052015


  • miles
Transmission high idle engine light came on and its not holding fluid

- Columbus, OH, USA

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problem #141

Oct 052015


  • 140,000 miles
Going down the expressway at 70 mph. Vehicle started hesitating and wouldn't go. I had to pull off to the shoulder of road in a construction zone. Had it towed to the closeset mechanic. Was told it was the wave plate on transmission. Yes, my 2007 GMC Acadia has 140,000 miles on it. But this part is defective. I have never been so scared.. luckily I wasn't hit.

- West Branch, MI, USA

problem #140

Dec 032012


  • 112,000 miles


The contact owns a 2007 GMC Acadia. The contact received an unknown notification from the manufacturer that indicated that the power steering and transmission would be repaired for free if the failure occurred under the accepted warranted mileage. The contact mentioned that the transmission was repaired, but the gear shift failure recurred intermittently. In addition, while driving at various speeds, the steering wheel became difficult to maneuver. The dealer did not repair the vehicle. The manufacturer was not notified of the failure. The approximate failure mileage was 112,000.

- Eaton Rapids, MI, USA

problem #139

Jul 212015


  • 100,000 miles
The contact owns a 2007 GMC Acadia. While driving 70 mph, the transmission failed. The vehicle was taken to a dealer for repair. The manufacturer was made aware of the issue. The failure mileage was 100,000.

- Chicago, IL, USA

problem #138

Jul 152015


  • 90,000 miles
The contact owns a 2007 GMC Acadia. The contact stated that while driving approximately 60 mph, the vehicle stalled after the transmission warning indicator illuminated. The vehicle did restart. The vehicle was taken to the dealer, who diagnosed that the wave plate and transmission valve body were faulty and needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure. The approximate failure mileage was 90,000.

- Claeremore, OK, USA

problem #137

Mar 022015


  • 129,000 miles
Upon entering the highway the 2007 Acadia would not shift either into or out of 3rd gear, I'm not sure. I could not tell what was happening and when I determined this was not going to correct itself I exited the highway. I've recieved a letter from GM stating that vehicles equiped with 6T70 and 6T75 6 speed automatic transmissions are experiencing cracked or fractured wave plates. This clearly is a faulty part as it is occurring on many versions of this vehicle and has been upgraded. I was lucky in that it was only me in the auto and not the entire family when this happened. Very dangerous.

- Raymore, MO, USA

problem #136

Feb 222013

Acadia 6-cyl

  • 84,059 miles


Trans went out shortly after purchase, alternator went out shortly after purchase, needed new wave plate, needed new alternator, sun roofs leak water through the interior lighting and down both A-posts. Continues to run after shut off and key removed. Slips gears, will not upshift.

- Littleton, CO, USA

problem #135

Sep 162014

Acadia 6-cyl

  • 123,228 miles
I bought a new GMC Acadia in 2007. January 8, 2008 GMC did a software upgrade to my transmission. At that point my mileage dropped about 6 miles per gallon and did not shift as nice as original. In late summer of 2014 I notice that my transmission was not right. On September 16, 2014 I had to replace the transmission at a cost of $3,999 at only 123,228 miles. This car was built and advertised to pull boats and campers. I have not pulled anything ever with the car. In March of 2015 I received a letter from GMC that they would reimburse 2007 GMC Acadia owners if they have had problems with the transmission. The car must be under 10 years old and under 120,000 miles. My car was under 10 years old, but over on mileage by 3,228 miles. GMC would not cover any of it. It is pretty poor when a car company can not build a $40,000 car with a transmission that would last.

- Redwood Falls, MN, USA

problem #134

Mar 112015

Acadia 6-cyl

  • 98,000 miles
Major shuttering in transmission harsh shifting making hard to accelerate.

- Perryville , MD, USA

problem #133

Jun 142013


  • 108,997 miles
While driving at over 65 mph in heavy traffic, the transmission disengages, causing car to coast to a stop. Reduced engine and transmission performance. Also intermittent driveabililty issues, transmission does not shift, false messages/codes re: Stabilitrak, air bag, onstar, oil and gas gauges, etc.. at 122,936 miles in July, 2014, transmission replaced at cost of $4967.42.

- San Clemente, CA, USA

problem #132

Mar 262015


  • 139,000 miles
The contact owns a 2007 GMC Acadia. The contact stated that while driving up a hill at approximately 15 mph, the vehicle started shaking without warning. The vehicle was taken to a dealer where it was diagnosed that the 35R wave plate needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 139,000.

- Dahlonega, GA, USA

problem #131

Dec 102014

Acadia 6-cyl

  • 88,500 miles
While driving down the road, the Acadia would not shift out of first gear.

- Ashland, KY, USA

problem #130

Jan 142015


  • 144,000 miles
Transmission wave plate went out. Vehicle came to sudden stop in middle of busy intersection and then would not move. My wife almost got rear ended and was stranded. This is a known problem in these cars and needs to be fixed.

- Summerville , SC, USA

problem #129

Oct 062014

Acadia 6-cyl

  • 73,000 miles
While driving on the highway at 60 mph and then accelerating the transmission will violently slip while shifting into a lower gear.

- Jackson, MI, USA

problem #128

Oct 172014

Acadia 6-cyl

  • 60,060 miles
Our 2007 GMC Acadia began slipping and stutter stepping in reverse. If on a hill it was very noticeable and felt like you were slipping on ice before reverse gear would engage. Then on slow acceleration form a traffic light slippage would occur and a rough change in the gear exchange for normal traffic speed. Had it diagnosed at a reputable local repair shop and they said it was a warped wave plate and a new or rebuilt transmission was required, the repair cost with warranty would be $4,225. We took it to the dealer where we purchased the Acadia. They also diagnosed it as a defective wave plate, recommending a new transmission or at least to rebuild it. New transmission to cost $5,890 the wave plate on the 2007 Acadia'shave caused a great many problems for other owners and its reported they were not properly heat treated when manufactured. They break apart after just so many engages caused when shifting and almost always shortly after the 50,000 mile warranty. Filed a complaint with GM requesting assistance with repairs due to a faulty part they should have been aware of. They said they would get back to me, but never did. We repaired it at the local repair shop costing $4,225.23 cents with a 5 year 100,000 mile warranty.

- Oakville, MO, USA

problem #127

Sep 102012


  • 70,000 miles
10/27/2014 - 2007 GMC Acadia transmission slips continually until it had a complete failure at 111,000. I called GM and opened claim. Google Acadia transmission problems, why has this transmission not been recalled? GM failed to harden these wave plates in the 2007 & 2008 GMC Acadia. There are documented failures out there as soon as 25,000 miles. This transmission is such a piece of junk. The local transmission shop works on this transmission more than any other. Please help us the bill for transmittion to be fixed is almost $4500

- Matawan, NJ, USA

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