Cadillac CTS 2003 — technical service bulletin
Bulletin 050309001 · NHTSA communication 10014978 · issued Mar 1, 2005
Technical service bulletin
communication type
Suspension
component
2003
model years
1
vehicle entries
Official summary
Rattle noise in rear end over bumps. *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.