Buick Lesabre 1998–1999 — technical service bulletin
Bulletin 990604045 · NHTSA communication 6088955 · issued Oct 1, 1999
Technical service bulletin
communication type
Vehicle Speed Control
component
1998–1999
model years
8
vehicle entries
Official summary
Subject regarding low power / stumble when accelerating in turns or straight line. *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.