Buick Lesabre 1998 — technical service bulletin
Bulletin 971201776530 · NHTSA communication 600214 · issued Apr 29, 1998
Technical service bulletin
communication type
Engine and Engine Cooling
component
1998
model years
5
vehicle entries
Official summary
Comments that the engine runs rough, has lack of power, has a knock noise, and/or the mil (malfunction indicator light) is illuminated. *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.