Ford Excursion 1999–2001 — technical service bulletin
Bulletin 15780 · NHTSA communication 637471 · issued Apr 1, 2002
Technical service bulletin
communication type
Power Train
component
1999–2001
model years
6
vehicle entries
Official summary
Some vehicles may exhibit a front or rear pinion seal leak. *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.