The contact owns a 2018 Ford Explorer. The contact stated that while driving at an undisclosed speed, the engine overheated. The contact stated that the vehicle was losing coolant, but there was no indication of a coolant leak. There were no warning lights illuminated. There was cool air coming from the heater vents. The contact called an independent mechanic for orange coolant, who informed the contact that the coolant was on backorder. The vehicle was taken to the local dealer for a routine oil change and diagnosed that the water pump was leaking and needed to be replaced. The vehicle was not repaired. The manufacturer was contacted, but no assistance was provided. The contact was referred to the NHTSA Hotline for assistance. The approximate failure mileage was approximately 95,000.