NHTSA Complaint #11709107 — 2023 CHEVROLET SILVERADO 1500

The contact owns a 2023 Chevrolet Silverado 1500. The contact stated that the vehicle was repaired under NHTSA Campaign Number: 25V274000 (ENGINE AND ENGINE COOLING), but the failure occurred. The contact was informed by the dealer that the vehicle had passed inspection, and the dealer added a higher viscosity oil, installed 6 oil fill caps, and replaced the oil filter. The contact stated that six months after the vehicle was repaired, there was an abnormal squeaking sound coming from the engine. The contact stopped at a gas station to refuel. Afterwards, the vehicle failed to restart, and there was smoke coming from under the hood. The contact stated that the engine had seized. The contact was at the gas station when the failure occurred. The vehicle was towed to a dealer; however, no cause for the engine failure was found. The contact was informed that the sound was coming from one of the drive belts. The vehicle was not repaired. The vehicle was then towed to another dealer, where it was diagnosed and determined that the abnormal sound was coming from loose bearings in the engine. The contact was informed that the engine needed to be replaced. The long block in the engine and the radiator were replaced on January 1st. The contact stated that a week after the vehicle was repaired, the vehicle failed to start. After several attempts, the vehicle restarted. The vehicle was taken back to the dealer. However, no cause for the failure was found. The dealer recharged the battery. The contact stated that shortly afterwards, the vehicle failed to start. The vehicle was taken back to the dealer, where it was diagnosed and determined that the starter had failed. The contact requested that the dealer check the ground strap, but the dealer refused. The vehicle remained at the dealer unrepaired. The contact stated that the dealer would notify the manufacturer of the failure. The approximate failure mileage was 44,469.