Ford Expedition 2003–2004 — technical service bulletin
Bulletin 17135 · NHTSA communication 10004051 · issued Sep 1, 2003
Technical service bulletin
communication type
Engine and Engine Cooling
component
2003–2004
model years
2
vehicle entries
Official summary
Moaning noise from the exhaust system, or vibration in the rear passenger floor pan, when driving 45-55 mph and 1200-1400 rpm all without flex coupling in the exhaust. *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.