Ford Excursion 1999–2000 — technical service bulletin
Bulletin 7859 · NHTSA communication 612220 · issued Jan 1, 2000
Technical service bulletin
communication type
Wheels
component
1999–2000
model years
3
vehicle entries
Official summary
Vehicle equiped with either manual or electronic shift 4x4 system may exhibit a vibration or a ratcheting noise from the front of the vehicle. Another symptom may be described as front hublocks not releasing.
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.