Subaru Ascent 2016–2020 — technical service bulletin
Bulletin 11-195-20 · NHTSA communication 10171099 · issued Jan 30, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2016–2020
model years
8
vehicle entries
Official summary
This bulletin announces availability of a new vacuum hose assembly for the positive crankcase ventilation (PCV) system incorporating improved sealing to prevent potential oil seepage.
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.