The service part long block for 2017-2018 F-150 vehicles equipped with a 3.5L EcoBoost engine built at Kansas City Assembly Plant on or before 23-Feb-2018 or Dearborn Truck Plant on or before 26-Feb-2018 and 2018 Expedition/Navigator vehicles built on or before 19-Mar-2018 has been changed to a one piece oil pan design. To make sure there is proper fitment of the new long block with the one piece oil pan, replacement of the transmission cooler coolant lines and an engine harness modification will be necessary. To correctly install, follow the Service Procedure steps to complete the repair.
