Cadillac Deville 1998–2002 — technical service bulletin
Bulletin 131201 · NHTSA communication 629621 · issued Dec 13, 2001
Technical service bulletin
communication type
Tires
component
1998–2002
model years
8
vehicle entries
Official summary
Subject regarding tire vibration at highway speeds on smooth road surfaces. *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.