Saturn Ion 2003–2004 — technical service bulletin
Bulletin 040138011 · NHTSA communication 10009351 · issued Aug 1, 2004
Technical service bulletin
communication type
Equipment
component
2003–2004
model years
2
vehicle entries
Official summary
Temperature/mode control knobs may not rotate, air flow restricted, or hvac mode door gasket or temperature door gasket foam comes off. *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.