The contact’s husband owns a 2017 Ford F-250. The contact stated that while her husband was performing an oil change on the vehicle, an abnormal knocking sound started coming from the engine. There was no warning light illuminated. Due to the failure, the vehicle was towed to a dealer where the vehicle was diagnosed with a defective intake manifold. The contact was then provided an estimate for the repair. The manufacturer was notified of the failure and the contact was informed that the warranty on the vehicle had expired. The contact was then referred to the NHTSA Hotline to report the failure. The vehicle was not repaired. The failure mileage was approximately 55,000.