Ford Excursion 1999–2003 — technical service bulletin
Bulletin 16859 · NHTSA communication 10004883 · issued Oct 30, 2003
Technical service bulletin
communication type
Engine and Engine Cooling
component
1999–2003
model years
9
vehicle entries
Official summary
Some vehicles built after 12/7/1998 equipped with a 7.3l dit engine may exhibit a hoot or howling noise from the turbocharger. 2003 super duty f series also included. *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.