1.5

hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
114,854 miles

About These NHTSA Complaints:

The NHTSA is the US gov't agency tasked with vehicle safety. Complaints can be spread across multiple & redundant categories, & are not organized by problem. See the Back button — blue bar at the very top of the page — to explore more.

Get notified about new defects, investigations, recalls & lawsuits for the 2011 GMC Terrain:

Unsubscribe any time. We don't sell/share your email.

problem #2

Oct 292018

Terrain 4-cyl Diesel

  • 113,000 miles
The contact owns a 2011 GMC Terrain. The contact stated that the vehicle exhibited the same failure as listed in the manufacturer special coverage adjustment (plugged PCV orifice in intake manifold sb-10057977-8108, bulletin no. 14882). Bob brown Buick GMC (1405 SE oralabor rd, ankeny, ia 50021, (515) 344-3574) diagnosed that the rear main seal failed and needed to be replaced. The vehicle was not repaired since it was excluded from the manufacturer service campaign. The manufacturer was notified. The vehicle was unable to be driven. The approximate failure mileage was 113,000. Consumer stated design is flawed and not repaired.

- Mitchellville, IA, USA

Add Complaint
problem #1

Feb 232017

Terrain 4-cyl

  • Automatic transmission
  • 116,707 miles
The contact owns a 2011 GMC Terrain. While driving approximately 65 mph, the contact heard a loud noise coming from the engine compartment. There were no warning indicators illuminated. The contact also stated that there was a fuel odor coming through the vents from the exhaust manifold. The vehicle was taken to an independent mechanic where it was diagnosed that the exhaust manifold detached and needed to be replaced. The vehicle was repaired, but the failure recurred. The vehicle was not taken to a dealer. The manufacturer was not notified of the failure. The approximate failure mileage was 116,707.

- Monticello, IA, USA

Add Complaint