The contact owns a 2017 Ford Escape. The contact stated that while his daughter was driving at an undisclosed speed, the check engine warning light illuminated. The vehicle was taken to the dealer, where it was diagnosed that there was coolant leaking into the cylinders. The dealer determined that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 78,500.