Ford Crown Victoria 2004–2005 — technical service bulletin
Bulletin 06910 · NHTSA communication 10020077 · issued Jul 19, 2006
Technical service bulletin
communication type
Power Train
component
2004–2005
model years
6
vehicle entries
Official summary
Catalytic converter brick rattle or buzzing noise. *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.