Volvo S90 2016–2018 — technical service bulletin
Bulletin TJ34648.1.4-2020 · NHTSA communication 10171678 · issued Jan 8, 2020
Technical service bulletin
communication type
Engine
component
2016–2018
model years
9
vehicle entries
Official summary
This is a Technical Journal: In case of complaint of Noise, some "tools" have been created to help you to do a better and more precise fault tracing
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.