Ford Expedition 2013–2015 — technical service bulletin
Bulletin 44996 · NHTSA communication 10058195 · issued Mar 1, 2015
Technical service bulletin
communication type
Engine and Engine Cooling
component
2013–2015
model years
9
vehicle entries
Official summary
Ford 2013-2015 f-150 expedition, navigator, and transit - service information regarding 3.5l gtdi popping sound on cold startup. *lj
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.