Ford Explorer 2002 — technical service bulletin
Bulletin 01223 · NHTSA communication 630325 · issued Nov 12, 2001
Technical service bulletin
communication type
Power Train
component
2002
model years
2
vehicle entries
Official summary
Some vehicles built prior to 11/11/2001 equipped with 5r55w transmission and 4.6l engine, may exhibit a buzzing noise when the torque converter is engaged. *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.