Subaru Forester 2011–2012 — technical service bulletin
Bulletin 0214713R · NHTSA communication 10235842 · issued May 27, 2014
Technical service bulletin
communication type
Engine and Engine Cooling
component
2011–2012
model years
2
vehicle entries
Official summary
surface treatment change to oil control piston rings
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.