NHTSA Complaint #11682416 — 2021 CHEVROLET SILVERADO 1500

ENGINE issue reported to NHTSA

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Complaint Details

ODI Number	11682416
Vehicle	2021 CHEVROLET SILVERADO 1500
Component	ENGINE
Date of Incident	August 2, 2025
Date Filed	August 22, 2025
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	MN

Consumer Description

2021 Silverado 1500 Trail Boss LT with 6.2ltr V8 L87 had sudden catastrophic engine failure at 90,000 miles with excellent and routine maintenance up to. Findings were a broken timing chain, cracked piston and debris in number 8 intake port. Vehicle lost propulsion on the highway posing a safety risk to the driver, passengers and other vehicles on the roadway. Dealership confirmed the findings. There were no warning signs, signals, lamps, beeps, noises or any other indicators that there was an issue with the motor. It unexpectedly and suddenly failed without warning.

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