Subaru Legacy 2010–2012 — technical service bulletin
Bulletin 10921AA230 · NHTSA communication 10235893 · issued Nov 19, 2014
Technical service bulletin
communication type
Engine and Engine Cooling
component
2010–2012
model years
6
vehicle entries
Official summary
Oil Control Valve Assembly Part Number 10921AA230
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.