Saturn Ion 2003–2004 — technical service bulletin
Bulletin 040730032 · NHTSA communication 10009420 · issued Aug 1, 2004
Technical service bulletin
communication type
Power Train
component
2003–2004
model years
4
vehicle entries
Official summary
Grind/rattle noise from transaxle in park and neutral after an extended cold soak following case cover replacement or other internal transaxle overhaul. *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.