Audi A4 1999 — technical service bulletin
Bulletin 9904 · NHTSA communication 608230 · issued May 18, 1999
Technical service bulletin
communication type
Visibility
component
1999
model years
1
vehicle entries
Official summary
Vehicles may experience wind noise heard from the exterior rearview mirror. *tt
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.