Cadillac Deville 2002 — technical service bulletin
Bulletin 290702 · NHTSA communication 637334 · issued Jul 29, 2002
Technical service bulletin
communication type
Equipment
component
2002
model years
1
vehicle entries
Official summary
Customer complaints of a popping or a buzz sound from the rear speakers. *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.