2011 GMC Terrain Engine Problems

Which parts fail

• Engine
  2
• Exhaust system › Manifold/header/muffler/tail pipe
  2
• Exhaust system › Emission control › Catalytic convertor
  1
• Engine › Crank/camshaft position sensor
  1

Components named in complaints (engine, cooling system, oil leaks, timing chain, exhaust).

Mileage when the problem started

• Under 25k
  2013%
• 25k–50k
  117%
• 50k–75k
  2819%
• 75k–100k
  3825%
• 100k–150k
  4228%
• 150k+
  128%

Owner reports

Selected complaints filed with NHTSA by 2011 GMC Terrain owners, lightly cleaned up (personal details are redacted by NHTSA).

The contact owns a 2011 GMC Terrain. The contact stated that while idled, there was smoke coming from under the hood of the vehicle. The contact turned off the vehicle and the smoke dissipated. The contact took the vehicle to a certified mechanic who stated that the the timing chain had come to the head without much heat. The timing chain needed to be repaired. The vehicle had not been repaired as of yet. The contact had not contacted the manufacturer. The approximate failure mileage was 200,000.

The contact owns a 2011 GMC Terrain. The contact stated that while driving approximately 55 MPH, the stability track control warning light illuminated. The contact stated that the vehicle jerked and hesitated. The contact was able to coast to the side of the road and the vehicle stalled. The contact attempted to restart the vehicle 2-3 times before being able to proceed driving. The contact stated that while stopped at the next traffic light, the vehicle stalled again. The vehicle was restarted however, while driving the vehicle failed to exceed 40 MPH. The contact took the vehicle to a certified mechanic who stated that the spark plug and coil needed to be replaced. The vehicle was repaired however, the failure persisted. …

The contact owns a 2011 GMC Terrain. The contact stated while driving 25 MPH and depressing the accelerator pedal, the vehicle failed to respond as intended. The contact pulled over to the right side of the roadway and waited for towing assistance. The contact stated that an independent mechanic was contacted. The vehicle was towed to an independent mechanic and two separate auto body shops, where it was diagnosed and determined that the engine was consuming engine oil, and the engine needed to be replaced. The contact stated that the second time the vehicle was driven to the independent mechanic. The vehicle was not repaired. The manufacturer was not notified of the failure. The contact was referred to the NHTSA Hotline for assistance. The failure mileage was 114,114.

The contact owns a 2011 GMC Terrain. The contact stated that the vehicle was consuming an excessive amount of engine oil. The contact stated that the vehicle was leaking engine oil. The check engine warning light was illuminated while driving at undisclosed speeds. The vehicle was taken to a local dealer who confirmed there was no warranty or recall coverage on the vehicle for the failure. The vehicle was not diagnosed or repaired. The vehicle was taken to an independent mechanic who determined that the engine might be blown. The manufacturer was contacted, but no assistance was provided. The failure mileage was approximately 110,714.

The contact owns a 2011 GMC Terrain. The contact stated that while driving at an undisclosed speed, the engine made a loud knocking sound. The vehicle was taken to an independent mechanic, who determined that the engine was consuming an excessive amount of engine oil. The contact added 3 quarts of oil to the engine. The mechanic informed the contact that the piston ring also needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure but confirmed that there was no recall associated with the VIN. The failure mileage was approximately 107,000.

The contact owns a 2011 GMC Terrain. The contact stated while driving approximately 50 MPH, the vehicle lost motive power and stalled. The contact stated there was no warning light illuminated. The contact had the vehicle towed to an independent mechanic. The mechanic diagnosed the vehicle and determined that the timing chain and water pump needed to be replaced. The contact stated that the vehicle could no longer be started. The vehicle had not been repaired. The manufacturer had not been informed of the failure. The failure mileage was approximately 157,000.

The contact owns a 2011 GMC Terrain. The contact stated that while driving at an undisclosed speed, the vehicle lost motive power. The vehicle was towed to the contact's residence, where an independent mechanic diagnosed that the high-pressure fuel pump and camshaft sensor needed to be replaced. The mechanic replaced the camshaft sensor; however, the high-pressure fuel pump was not replaced, and the failure recurred. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 145,000.

The contact owns a 2011 GMC Terrain. The contact stated that while stopped at a stop sign making a left turn, the vehicle started sputtering. No warning light was illuminated. The vehicle was towed to a dealer. The contact was informed that the failure was due to the timing belt being loose. The vehicle had not been repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 175,000.

The contact owns a 2011 GMC Terrain. The contact stated while driving approximately 65 MPH, the oil light illuminated on the instrument panel. The vehicle was diagnosed by an independent mechanic with an excessive oil leak. The vehicle was not repaired. The local dealer was notified of the failure by phone. The manufacturer was notified of the failure. The approximate failure mileage was 75,000.

I have owned this car for a little over year and have had nothing but issues. The car started on fire with an electrical issues once, the car has just stopped running on me multiple times while I was driving, almost causing a wreck. The engine goes through Oil like crazy. I've had it back to the dealership multiple times and never get a fix. I believe this vehicle is a true lemon.

Engine complaints in other Terrain years