The contact owns a 2016 Ford Fusion. The contact stated that while the vehicle was parked, the vehicle was shuddering abnormally. The check engine warning light was illuminated. The vehicle was taken to an independent mechanic, where it was diagnosed that there was an internal coolant intrusion into the cylinders and that the engine needed to be replaced. The independent mechanic made the contact aware of an unknown NHTSA Campaign Number; however, the VIN was not included. The vehicle was not repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline to report the failure. The failure mileage was approximately 115,385.