Buick Park Avenue 2003–2005 — technical service bulletin
Bulletin 3382 · NHTSA communication 10014933 · issued May 12, 2005
Technical service bulletin
communication type
Power Train
component
2003–2005
model years
12
vehicle entries
Official summary
4t65e (mn7) transmission fluid leak on right side axle seal. *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.