Notes: Ahh, the ole' sophomore slump. The 2008 Acadia suffers from widespread transmission failure around 75,000 miles.


definitely annoying
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
31,844 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.

2008 GMC Acadia cooling system problems

cooling system problem

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2008 GMC Acadia Owner Comments

problem #2

Jun 102011

Acadia 6-cyl

  • 28,000 miles


2008 GMC Acadia slt has serve water leakage inside the cabin that cause significant damage to interior carpeting and panels. Electrical problems also begin to happen such as back up assist disabled, air bag light flashing, rear windshield wipers not shutting off and more I am sure will happen as water enters the cabin and areas that you cannot see. This is a potentially dangerous condition that needs to be recalled and addressed by General Motors. Fire hazards and injuries due to malfunctioning equipment might occur. There are videos and plenty of complaints from other owners on the internet of this same issue and I am shocked that no actions have been made by GM.

- Farmingdale, NY, USA

problem #1

May 202011

Acadia 6-cyl

  • Automatic transmission
  • 35,687 miles
The contact owns a 2008 GMC Acadia. The contact stated that after replacing the evaporated core, coolant leaked onto the ventilation system and as a result, fumes were emitted into the vehicle causing the passengers to become ill. The vehicle was taken to the dealer who verified that coolant had leaked onto the carpet pad and they could smell the fumes entering the vehicle. The dealer decided to detail the vehicle and used foam cleaner to clean out the engine. The remedy failed to repair the problem. The manufacturer was not made aware of the failure. The failure and current mileage was 35,687. Updated 07/08/11 updated 07/20/11

- Lawrence, KS, USA

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