Ford Excursion 2003 — technical service bulletin
Bulletin 16884 · NHTSA communication 10002601 · issued Jun 1, 2003
Technical service bulletin
communication type
Engine and Engine Cooling
component
2003
model years
2
vehicle entries
Official summary
Moan/drone noise and tactile vibration between 1500-2000 rpm due to turbocharger mounting components resonating at the engine firing frequency. *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.