Buick Lesabre 1995–1997 — technical service bulletin
Bulletin 98777155A · NHTSA communication 601052 · issued Apr 1, 1998
Technical service bulletin
communication type
Power Train
component
1995–1997
model years
14
vehicle entries
Official summary
Experiencing a transaxle gear whine noise on coast down or light acceleration between 20 and 40 mph. *yc
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.