Cadillac Deville 2004 — technical service bulletin
Bulletin 01401 · NHTSA communication 10004205 · issued Nov 18, 2003
Technical service bulletin
communication type
Engine and Engine Cooling
component
2004
model years
2
vehicle entries
Official summary
4.6l engine coolant leak. *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.