Volvo S40 2000 — technical service bulletin
Bulletin 2220005 · NHTSA communication 610387 · issued Dec 1, 1999
Technical service bulletin
communication type
Engine and Engine Cooling
component
2000
model years
2
vehicle entries
Official summary
Oil cooling of the pistons has been introduced for all volvo manufactured gasoline engines. This bulletin describes how to replace the piston cooling valve. *tt
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.