Subaru Ascent 2017–2019 — technical service bulletin
Bulletin 07-161-19 · NHTSA communication 10166916 · issued Oct 18, 2019
Technical service bulletin
communication type
Air Bags
component
2017–2019
model years
9
vehicle entries
Official summary
This Service Information Bulletin announces a design change made to the side curtain and knee airbag modules on the models listed above to optimize commonization with the Japanese production parts. The change involves the mixture ratio of Argon to Helium used in the inflator gas: â ¢ OLD gas ratio: 94% Argon, 6% Helium â ¢ NEW gas ratio: 96% Argon, 4% Helium. All other specifications of these modules are unchanged.
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.