Friday, August 7, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

Buick Lesabre 1995–2004technical service bulletin

Bulletin 040601021 · NHTSA communication 10012148 · issued Jun 1, 2004

Technical service bulletin
communication type
Engine and Engine Cooling
component
1995–2004
model years
60
vehicle entries

Official summary

New rear main seal and special tool for installation. *tt

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.