The contact owns a 2019 Ford F-150. The contact stated while driving 10 MPH, the vehicle started to make a clicking noise. There was no warning light illuminated. The vehicle was driven to an independent mechanic to be diagnosed. The vehicle was diagnosed with cam riser shaft, timing belt, and sprocket failure. The vehicle was not repaired. The local dealer was not contacted. The manufacturer was made aware of the failure and referred the contact to the NHTSA Hotline. The failure mileage was approximately 100,000.