Ford Expedition 2003–2004 — technical service bulletin
Bulletin 17488 · NHTSA communication 10007330 · issued Jan 1, 2004
Technical service bulletin
communication type
Power Train
component
2003–2004
model years
2
vehicle entries
Official summary
Axle whine between 58-62 mph. *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.