Ford Expedition 2003 — technical service bulletin
Bulletin 16070 · NHTSA communication 636267 · issued Jul 1, 2002
Technical service bulletin
communication type
Power Train
component
2003
model years
2
vehicle entries
Official summary
Some 4x4s may exhibit a front axle groan or hum, and / or a slight vibration when operated in 2 high mode. *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.