Volvo S90 2022–2024 — technical service bulletin
Bulletin 36551.6.1 · NHTSA communication 11000231 · issued May 21, 2024
Technical service bulletin
communication type
Engine
component
2022–2024
model years
19
vehicle entries
Official summary
This is a Technical Journal: Chirping noise from engine during engine shutoff. Replace both front camshaft seals
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.