Ford Thunderbird 2002 — technical service bulletin
Bulletin 15900 · NHTSA communication 637785 · issued May 1, 2002
Technical service bulletin
communication type
Equipment
component
2002
model years
2
vehicle entries
Official summary
Some vehicles may exhibit a whistling or buzzing noise originating from the climate control system when the blower motor is running at 2 or 3 bar speed. *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.