Toyota Avalon 1994–1996 — technical service bulletin
Bulletin EG00197 · NHTSA communication 51257 · issued Jan 17, 1997
Technical service bulletin
communication type
Engine and Engine Cooling
component
1994–1996
model years
5
vehicle entries
Official summary
Interal engine noise when idling at normal operating temperature. *jd
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.