Chevrolet Impala 2004 — technical service bulletin
Bulletin PI0856 · NHTSA communication 10137443 · issued Nov 5, 2012
Technical service bulletin
communication type
Equipment
component
2004
model years
1
vehicle entries
Official summary
This preliminary informational bulletin provides information for Flutter or Rattle Noise Heard from HVAC Vent condition.
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.