A squealing, howling, or whistling noise may be heard coming from under the vehicle
Audi technical service bulletin A391515 2028902- for 2009-2010 Audi A4, 2012-2014 Audi A6 and 2009-2015 Audi Q5 and others.
- Bulletin number
- A391515 2028902-
- Component
- Power train
- 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.
Owners of these vehicles have filed 134 complaints in the transmission category.
Vehicles covered
- Audi A4 2009-2010 20092010
- Audi A6 2012-2014 201220132014
- Audi Q5 2009-2015 2009201020112012201320142015
- Audi Q7 2009-2015 2009201020112012201320142015
- Audi A5 2009-2015 2009201020112012201320142015
- Audi A8 2012-2015 2012201320142015
- Audi A4 Allroad 2013-2015 201320142015
- Audi A7 2012-2014 201220132014
- Audi A4 Avant 2011-2012 20112012
- Audi A5 Cabriolet 2009-2015 2009201020112012201320142015
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