The contact owns a 2016 Ford Explorer. The contact stated while driving at various speeds, the vehicle was shuddering significantly and was emitting abnormal rumbling sounds. There were no warning lights illuminated. The vehicle was taken to the dealer who informed the contact that they could not duplicate the failure. The vehicle was taken to a second dealer Big Valley Ford, Inc. (M-28, Ewen, MI 49925), where it was diagnosed that the driveshaft needed to be replaced. However, the parts were on national backorder. The vehicle was taken to an independent mechanic where it was diagnosed that the driveshaft needed to be replaced. The driveshaft was replaced. However, the failure persisted. The vehicle was taken back to the independent mechanic where it was diagnosed that the transfer case needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure but provided no assistance as the vehicle was out of warranty. The failure mileage was approximately 47,075.

- Cave Creek, AZ, USA