NHTSA Complaint #11715861 — 2017 GMC TERRAIN

ENGINE issue reported to NHTSA

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Complaint Details

ODI Number	11715861
Vehicle	2017 GMC TERRAIN
Component	ENGINE
Date of Incident	January 28, 2026
Date Filed	February 5, 2026
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	IA

Consumer Description

Rear main seal blow out

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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....