Buick Lesabre 1998 — technical service bulletin
Bulletin 1000 · NHTSA communication 601768 · issued Apr 1, 1998
Technical service bulletin
communication type
Engine and Engine Cooling
component
1998
model years
2
vehicle entries
Official summary
Information on harmonic type noise from vehicle at highway speed. *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.