Audi A6 2009–2013 — technical service bulletin
Bulletin A661554 2025323- · NHTSA communication 10120819 · issued Jun 19, 2015
Technical service bulletin
communication type
Visibility
component
2009–2013
model years
7
vehicle entries
Official summary
Supersedes Technical Service Bulletin Group 66 number 12-20 dated April 9, 2012. A loud noise is heard when the outside mirrors are folded in or out. The noise originates in the metal spring inside the hinge area of the mirror housing. This spring is used for stabilizing the mirror when the vehicle is driven over rough roads to minimize mirror glass shake. When the mirror housing is folded in or out, the spring must turn or twist with the movement of the housing. The bottom and the top of the spring sit on a plastic base and due to increased friction at these contact points, the spring will sk
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.