Buick Lesabre 2005 — technical service bulletin
Bulletin 03112005 · NHTSA communication 10014861 · issued Mar 11, 2005
Technical service bulletin
communication type
Power Train
component
2005
model years
5
vehicle entries
Official summary
Tick or knock noise from the torque converter flywheel flex plate. *eh
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.