NHTSA Complaint #11715695 — 2017 GMC TERRAIN

ENGINE issue reported to NHTSA

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Complaint Details

ODI Number	11715695
Vehicle	2017 GMC TERRAIN
Component	ENGINE
Date of Incident	January 19, 2026
Date Filed	February 4, 2026
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	IL

Consumer Description

Traveling on the expressway, engine made wearing noise, reduced engine power and complete engine failure while driving. Rear main seal blowout due to a defective PCV system freezing. It is a known issue for GM2.4L engine especially in cold weather leading to massive oil loss and catastrophic engine damage. This has been confirmed by a GM authorized dealer.

Related Complaints for the 2017 GMC TERRAIN

Other ENGINE Complaints

#11719289 — February 20, 2026 — I had a message flash that said the power to the engine was reduce. Next message said check stabilink ( or something ...

#11715861 — February 5, 2026 — Rear main seal blow out

#11715646 — February 4, 2026 — On January 31, 2026, while driving on the highway, my 2017 GMC Terrain suddenly began shaking as if it was going to s...

#11714193 — January 29, 2026 — The PCV valve froze which caused pressure to build up in the rear main seal to fail. Causing oil to leak out of the m...

#11713435 — January 26, 2026 — The contact owns a 2017 GMC Terrain. The contact stated that the vehicle failed to start. The vehicle was towed to an...

Recent Complaints for the 2017 GMC TERRAIN

#11719289 — FUEL/PROPULSION SYSTEM — February 20, 2026 — I had a message flash that said the power to the engine was reduce. Next message said check stabilink ( or something ...

#11719289 — UNKNOWN OR OTHER — February 20, 2026 — I had a message flash that said the power to the engine was reduce. Next message said check stabilink ( or something ...

#11714193 — UNKNOWN OR OTHER — January 29, 2026 — The PCV valve froze which caused pressure to build up in the rear main seal to fail. Causing oil to leak out of the m...

#11712537 — ELECTRICAL SYSTEM — January 21, 2026 — I am filing this complaint to report a catastrophic engine failure involving my 2017 GMC Terrain equipped with the 2....

#11712537 — POWER TRAIN — January 21, 2026 — I am filing this complaint to report a catastrophic engine failure involving my 2017 GMC Terrain equipped with the 2....