Cadillac CTS 2004–2005 — technical service bulletin

Bulletin 3128 · NHTSA communication 10009994 · issued Jan 1, 2004

Technical service bulletin

communication type

Engine and Engine Cooling

component

2004–2005

model years

vehicle entries

Official summary

Whine noise from front of engine. *tc

Vehicles covered

2004 Cadillac CTS
2005 Cadillac CTS
2004 Cadillac SRX
2005 Cadillac SRX

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.