Ford Expedition 2018 — technical service bulletin
Bulletin 18N01-S1 · NHTSA communication 10149783 · issued Sep 13, 2018
Technical service bulletin
communication type
Equipment
component
2018
model years
2
vehicle entries
Official summary
Certain 2018 Model Year Expedition and Navigator Vehicles Equipped With R-1234yf Refrigerant - Special R-1234yf Refrigerant Service Information
Vehicles covered
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.