Cadillac CTS 2004–2005 — technical service bulletin
Bulletin 3425 · NHTSA communication 10017094 · issued Oct 24, 2005
Technical service bulletin
communication type
Power Train
component
2004–2005
model years
2
vehicle entries
Official summary
Drive line vibration / moan noise in sixth gear. *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.