Subaru Ascent 2019–2023 — technical service bulletin
Bulletin 09-106-23 · NHTSA communication 10240108 · issued Jul 11, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2019–2023
model years
5
vehicle entries
Official summary
This bulletin announces design changes made to the Exhaust Pipe Front (EPF) to address concerns of rattle-type or fluttering sounds coming from the undercarriage during acceleration caused by cracking in the EPF.
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.