The contact owns a 2018 Ford F-150. The contact stated that the vehicle made an abnormally loud rattling sound on cold starts. The contact related the failure to TSB Numbers: 23-2143 and 21N03. The dealer and Ferman Ford (727) 797-2277); were notified of the failure and referred the contact to the manufacturer for assistance. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 65,000.