Engine Cooling System problems of the 2023 Chevrolet Silverado 1500

The contact owned a 2023 Chevrolet Silverado 1500. The contact stated that while he was driving at an undisclosed speed, the engine sounded rough and ran rough. While driving at 75 mph, the vehicle started shaking and started losing power. The contact pulled over and there was one more loud bang before the engine was blown. Additionally, there was an abnormal failure with the transmission. The contact referenced NHTSA campaign number: 25v274000 (engine and engine cooling); however, the VIN was not included in the recall repair. The vehicle was towed to a local dealer, where it was diagnosed with a blown engine, and transmission-related fault codes were retrieved. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 40,924.

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.

The contact owns a 2023 Chevrolet Silverado 1500. The contact received notification of NHTSA campaign number: 25v274000 (engine and engine cooling); however, the part to do the recall repair was not yet available. The local dealer was not contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.

The contact owns a 2023 Chevrolet Silverado 1500. The contact stated that while driving at an undisclosed speed, the message “engine oil too hot” was displayed. While driving 60-70 mph, the vehicle lost motive power while driving uphill. The vehicle failed to shift into neutral. The contact went underneath the vehicle and removed the drive shaft. There were no warning lights illuminated. The contact stated that the failure was related to NHTSA action number pe25001 (engine, engine, and engine cooling). The vehicle was towed to the residence. The vehicle was then towed to the local dealer, where it was diagnosed and determined that the engine needed to be replaced. The contact was informed that parts were on backorder. The vehicle was not repaired. The manufacturer was contacted, but no assistance was provided. The approximate failure mileage was 66,410.