Ford Crown Victoria 2000 — technical service bulletin
Bulletin 13553 · NHTSA communication 610930 · issued Nov 1, 1999
Technical service bulletin
communication type
Equipment
component
2000
model years
2
vehicle entries
Official summary
Some vehicles may exhibit a thump noise from the air conditioner system approximately 5-6 seconds after initial air conditioner compressor engagement. *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.