Ford Expedition 1999 — technical service bulletin
Bulletin 5243 · NHTSA communication 615361 · issued Dec 1, 1998
Technical service bulletin
communication type
Power Train
component
1999
model years
3
vehicle entries
Official summary
Information on vehicles with the 5.4l engine exhibiting difficulty engaging into and out of 4x4 low. *tt
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.