Chevrolet Cavalier 2003 — technical service bulletin
Bulletin 022803 · NHTSA communication 10001853 · issued Feb 28, 2003
Technical service bulletin
communication type
Unknown OR Other
component
2003
model years
2
vehicle entries
Official summary
Concern of the heater not blowing cold air, the mode setting not operating or air seemingly only to come out of certain vents. *tt *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.