Buick Park Avenue 1995 — technical service bulletin
Bulletin 476006 · NHTSA communication 37957 · issued Dec 1, 1994
Technical service bulletin
communication type
Engine and Engine Cooling
component
1995
model years
5
vehicle entries
Official summary
Popping/fluttering/ticking/spark knock noise while driving up medium grades or accelerating from a stop. *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.