Volvo 960 1992–1994 — technical service bulletin
Bulletin GRP21/933 · NHTSA communication 39766 · issued Mar 1, 1995
Technical service bulletin
communication type
Engine and Engine Cooling
component
1992–1994
model years
3
vehicle entries
Official summary
Vehicles, when left idling for long periods may, in some cases develop irregular idling. *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.