Buick Lesabre 2002–2004 — technical service bulletin
Bulletin 01534 · NHTSA communication 10005450 · issued Jan 1, 2004
Technical service bulletin
communication type
Equipment
component
2002–2004
model years
3
vehicle entries
Official summary
Too much airflow coming from the vents when the blower fan speed is in the low position. Sit bulletin 1408545. *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.