NHTSA Complaint #11670542 — 2018 CHEVROLET SILVERADO 1500

The contact owns a 2018 Chevrolet Silverado 1500. The contact stated that while driving at an undisclosed speed, there was an abnormal sound coming from the engine. In addition, the vehicle failed to accelerate as intended while depressing the accelerator pedal. The check engine warning light was illuminated. The vehicle was taken to an independent mechanic who diagnosed the vehicle with coolant intrusion into cylinder #7, causing engine failure. The contact stated that metal shavings were found mixed in with the engine oil. The contact stated that the vehicle was consuming an excessive amount of engine oil. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 110,000.