Buick Century 1997 — technical service bulletin
Bulletin 731103 · NHTSA communication 52568 · issued Jun 1, 1997
Technical service bulletin
communication type
Visibility
component
1997
model years
7
vehicle entries
Official summary
Air temperature from hvac outlets does not change or blows cold (replace temperature valve door). *tw
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.