NHTSA Complaint #11691379 — 2021 CHEVROLET SUBURBAN

ENGINE issue reported to NHTSA

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Complaint Details

ODI Number	11691379
Vehicle	2021 CHEVROLET SUBURBAN
Component	ENGINE
Date of Incident	September 25, 2025
Date Filed	October 4, 2025
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	AZ

Consumer Description

Engine while driving completely seized up. Crank shaft, cam shaft and oil pump water pump replaced. Low oil pressure alarm code present then sudden loss of power. Piston blown. There are similar recalls to 2021 suburbans however, this specific model is not in the recall. I was told I need a completely new engine. The car died in the middle of traffic and police had to call an emergency tow truck.

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