Subaru Ascent 2019–2023 — technical service bulletin
Bulletin 05-90-24 · NHTSA communication 10251096 · issued Feb 5, 2024
Technical service bulletin
communication type
Suspension
component
2019–2023
model years
5
vehicle entries
Official summary
This bulletin addresses rumbling and or rattling coming from the undercarriage while traveling over bumps. Subaru has made a design change to the front strut assemblies to address this issue.
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.