The contact owns a 2020 Ford Fusion. The contact stated that while driving at various speeds or while the vehicle was idling, there was an abnormal clunking sound coming from the vehicle. There were no warning lights illuminated. The vehicle was taken to the local dealer where it was diagnosed and determined that the flex plate had fractured. The vehicle was repaired; however, the failure recurred. The manufacturer was not contacted. The failure mileage was approximately 25,000.