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RecallGazette

Vehicle problems, recalls & safety intelligence

Audi A4 2009–2015technical service bulletin

Bulletin A391515 2028902- · NHTSA communication 10119990 · issued Apr 28, 2015

Technical service bulletin
communication type
Power Train
component
2009–2015
model years
45
vehicle entries

Official summary

Supersedes Technical Service Bulletin Group 39 number 14-14 dated May 5, 2014. A squealing, howling, or whistling noise may be heard coming from under the vehicle. The condition is typically noticed when the vehicle is cold (normally below freezing) and is moving at speeds of 5 - 60 mph. The noise is from the intermediate bearing of the propeller shaft.

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.