The contact owns a 2017 Ford Expedition. The contact stated while driving at an undisclosed speed, the engine blower seized. The contact stated that the failure was intermittent. The vehicle was taken to the dealer; however, the cause of the failure was not determined. The contact was required to pay a diagnostic fee. The vehicle was not diagnosed or repaired by an independent mechanic or the dealer. The contact stated that the engine blower was replaced under an unknown recall repair several months ago. In addition, the contact stated the failure reoccurred. The vehicle was taken back to the dealer three months later and the engine blower repair was performed under warranty. The manufacturer was made aware of the failure but provided no assistance. The contact was advised to contact the NHTSA Hotline and report the failure. The failure mileage was approximately 115,000.