Ford Expedition 2017–2018 — technical service bulletin
Bulletin TSB 20-2306 · NHTSA communication 10181916 · issued Oct 20, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2017–2018
model years
4
vehicle entries
Official summary
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.
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.