Buick Lesabre 2003 — technical service bulletin
Bulletin 032003 · NHTSA communication 10001893 · issued Mar 20, 2003
Technical service bulletin
communication type
Service Brakes, Hydraulic
component
2003
model years
1
vehicle entries
Official summary
Left rear upper brake caliper pin harmonic noise. *tt *jb
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.