Ford Crown Victoria 1999–2000 — technical service bulletin
Bulletin 13814 · NHTSA communication 612830 · issued Jan 1, 2000
Technical service bulletin
communication type
Equipment
component
1999–2000
model years
4
vehicle entries
Official summary
Some vehicles may exhibit a thump noise from the a/c system approximately 5-10 seconds after initial a/c compressor engagement. *mjs
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.