Audi A4 Allroad 2011–2015 — technical service bulletin
Bulletin A151526 2039995- · NHTSA communication 10120672 · issued Mar 3, 2015
Technical service bulletin
communication type
Engine
component
2011–2015
model years
53
vehicle entries
Official summary
Rattling noises are heard from the timing chain drive for about 1-3 seconds after the first engine start of the day. The noises are caused by one of the upper chain tensioners. The noises do not lead to damage. Improved chain tensioner.
Vehicles covered
- 2013 Audi A4 Allroad
- 2014 Audi A4 Allroad
- 2015 Audi A4 Allroad
- 2011 Audi A4 Avant
- 2012 Audi A4 Avant
- 2011 Audi A5
- 2012 Audi A5
- 2013 Audi A5
- 2014 Audi A5
- 2015 Audi A5
- 2011 Audi A5 Cabriolet
- 2012 Audi A5 Cabriolet
- 2011 Audi A6
- 2012 Audi A6
- 2013 Audi A6
- 2014 Audi A6
- 2015 Audi A6
- 2011 Audi A7
- 2012 Audi A7
- 2013 Audi A7
- 2014 Audi A7
- 2015 Audi A7
- 2013 Audi A8
- 2014 Audi A8
- 2015 Audi A8
- 2011 Audi Q7
- 2012 Audi Q7
- 2013 Audi Q7
- 2014 Audi Q7
- 2015 Audi Q7
- 2013 Audi RS 5
- 2014 Audi RS 5
- 2015 Audi RS 5
- 2013 Audi RS 5 Cabriolet
- 2011 Audi S4
- 2012 Audi S4
- 2013 Audi S4
- 2014 Audi S4
- 2015 Audi S4
- 2013 Audi S5
- 2014 Audi S5
- 2015 Audi S5
- 2014 Audi S5 Cabriolet
- 2015 Audi S5 Cabriolet
- 2013 Audi S6
- 2014 Audi S6
- 2015 Audi S6
- 2013 Audi S7
- 2014 Audi S7
- 2015 Audi S7
- 2013 Audi S8
- 2014 Audi S8
- 2015 Audi S8
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.