Volvo 850 1992–1994 — technical service bulletin
Bulletin GRP87/811 · NHTSA communication 39731 · issued Oct 1, 1994
Technical service bulletin
communication type
Equipment
component
1992–1994
model years
3
vehicle entries
Official summary
New tightening torque for steel low pressure switch. *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.