Ford Expedition 1997–1998 — technical service bulletin
Bulletin 983170 · NHTSA communication 607419 · issued Feb 17, 1998
Technical service bulletin
communication type
Power Train
component
1997–1998
model years
6
vehicle entries
Official summary
Concerns with codes p0500, p0503, p1501 or p1503 which may be caused my a loose speedometer drive gear. *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.