Ford Excursion 2004 — technical service bulletin
Bulletin 04184 · NHTSA communication 10013109 · issued Jan 1, 2004
Technical service bulletin
communication type
Engine and Engine Cooling
component
2004
model years
7
vehicle entries
Official summary
Turbo-induced exhaust moan/drone at 1600-1800 rpm - 6.0l built after 9/29/2003. *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.