Ford Explorer 1998–2001 — technical service bulletin
Bulletin 01114 · NHTSA communication 622642 · issued Jun 11, 2001
Technical service bulletin
communication type
Power Train
component
1998–2001
model years
12
vehicle entries
Official summary
Some 4x4 vehicles may exhibit a high-pitched squeal or whistle type noise from the front axle area of the vehicle at speeds from 16 to 64 km/h (10 to 40 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.