Audi A4 2005–2011 — technical service bulletin
Bulletin A461332 2016681- · NHTSA communication 10123871 · issued Mar 18, 2013
Technical service bulletin
communication type
Service Brakes, Air
component
2005–2011
model years
14
vehicle entries
Official summary
Supersedes Technical Service Bulletin Group 47 number 10-01 dated July 15, 2010. Muh? sound or moaning noise coming from the front brakes (FNRG). The performance of the brakes is not compromised. The pistons in the calipers in certain vehicles may not retract far enough, which may leave contact between the rotor and pad. This contact may cause a ?muh? sound or moaning noise in low speed conditions.
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.