Saturn Ion 2003–2007 — technical service bulletin
Bulletin 040308006 · NHTSA communication 10007892 · issued Nov 1, 2010
Technical service bulletin
communication type
Suspension
component
2003–2007
model years
5
vehicle entries
Official summary
Cluck, thump or rattle noise from front suspension while driving over rough road conditions or when braking (replace front lower control arm rear bushing). *mj updated 10/5/07. *nj updated 5/20/11. *pe
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.