Ford Expedition 1997–1998 — technical service bulletin
Bulletin 5128 · NHTSA communication 615325 · issued Dec 1, 1998
Technical service bulletin
communication type
Power Train
component
1997–1998
model years
6
vehicle entries
Official summary
Some vehicles with electronic shift on the fly 4x4 systems may stick in 4x4 low. Engineering is investigating. *tt
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.