Ford Explorer 1999–2000 — technical service bulletin
Bulletin 7241 · NHTSA communication 6090821 · issued Oct 1, 1999
Technical service bulletin
communication type
Power Train
component
1999–2000
model years
4
vehicle entries
Official summary
Vehicles equipped with 5.0l engines and 3.73:1 ratio / 8.8 inch ring gear rear axles may exhibit a whine noise during various drive modes at speeds between 45 to 65 mph. *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.