Buick Park Avenue 1997 — technical service bulletin
Bulletin 9774T65E02 · NHTSA communication 52553 · issued Apr 1, 1997
Technical service bulletin
communication type
Power Train
component
1997
model years
4
vehicle entries
Official summary
Harsh garage shift, reverse to drive, hydra-matic 4t65-e transaxle. *tw
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.