Buick Lesabre 1999 — technical service bulletin
Bulletin 99111 · NHTSA communication 606664 · issued May 11, 1999
Technical service bulletin
communication type
Power Train
component
1999
model years
3
vehicle entries
Official summary
Campaign parts bulletin regarding 4t65e manual valve / link kit replacement. *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.