Audi A4 2009–2014 — technical service bulletin

Bulletin 4014392035854 · NHTSA communication 10250663 · issued Feb 13, 2014

Technical service bulletin

communication type

Suspension

component

2009–2014

model years

vehicle entries

Official summary

Rattling or knocking noise from front end when driving over bumps

Vehicles covered

2009 Audi A4
2010 Audi A4
2011 Audi A4
2012 Audi A4
2013 Audi A4
2014 Audi A4

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.