Buick Terraza 2005–2006 — technical service bulletin
Bulletin 3772 · NHTSA communication 10018559 · issued Jan 6, 2006
Technical service bulletin
communication type
Suspension
component
2005–2006
model years
8
vehicle entries
Official summary
Clunking noise from the rear over bumps. *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.