Cadillac V-Series 2004–2008 — technical service bulletin
Bulletin 4678 · NHTSA communication 10023737 · issued Dec 1, 2007
Technical service bulletin
communication type
Unknown / Other
component
2004–2008
model years
14
vehicle entries
Official summary
Pop or creak noise from rear of vehicle behind the seats. *nj
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.