Chevrolet Impala 2000–2005 — technical service bulletin
Bulletin 3101 · NHTSA communication 10010121 · issued Jan 1, 2004
Technical service bulletin
communication type
Unknown / Other
component
2000–2005
model years
12
vehicle entries
Official summary
Inoperative a/c vent louvers. *jb
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.