Buick Terraza 2005–2007 — technical service bulletin
Bulletin 070232003 · NHTSA communication 10021821 · issued May 1, 2007
Technical service bulletin
communication type
Steering
component
2005–2007
model years
12
vehicle entries
Official summary
Power steering clunk, knock noise. *kb
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.