Excessive oil consumption and timing chain failure
ENGINE
130 NHTSA complaints · 2018-05 → 2025-07
“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 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 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”