Cadillac Seville 1998–1999 — technical service bulletin
Bulletin 990867001 · NHTSA communication 606011 · issued May 1, 1999
Technical service bulletin
communication type
Visibility
component
1998–1999
model years
2
vehicle entries
Official summary
Experiencing sun roof wind noise / buffeting. *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.