Audi A4 2018–2019 — technical service bulletin
Bulletin A3022312053597_6 · NHTSA communication 10227806 · issued Dec 1, 2022
Technical service bulletin
communication type
Power Train
component
2018–2019
model years
9
vehicle entries
Official summary
This bulletin contains repair instructions for when there is a leak from the lower bellhousing.
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.