Cadillac Deville 1996–1997 — technical service bulletin
Bulletin 9674T80E01 · NHTSA communication 50602 · issued Nov 1, 1996
Technical service bulletin
communication type
Power Train
component
1996–1997
model years
9
vehicle entries
Official summary
Buzz or moan noise during tcc apply. *tw
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.