Volvo S80 2003–2004 — technical service bulletin
Bulletin 168 · NHTSA communication 10022619 · issued Jul 26, 2007
Technical service bulletin
communication type
Engine and Engine Cooling
component
2003–2004
model years
4
vehicle entries
Official summary
Plastic nipple of the positive crank ventilation (pcv) system may crack or become loose. This could result in an air leak from the crank case ventilation system. This may cause a whistling noise or check engine light may illuminate. *kb
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.