Cadillac CTS 2004–2005 — technical service bulletin
Bulletin 050602005 · NHTSA communication 10018675 · issued Nov 1, 2005
Technical service bulletin
communication type
Engine and Engine Cooling
component
2004–2005
model years
2
vehicle entries
Official summary
Coolant leak (replace radiator). *jb
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.