Audi A8 2013–2018 — technical service bulletin
Bulletin A1921172048936_3 · NHTSA communication 10193040 · issued May 6, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2013–2018
model years
35
vehicle entries
Official summary
This is an information bulletin regarding procedure for when the technician finds coolant marks during a repair.
Vehicles covered
- 2013 Audi A8
- 2014 Audi A8
- 2015 Audi A8
- 2016 Audi A8
- 2017 Audi A8
- 2013 Audi RS6
- 2014 Audi RS6
- 2015 Audi RS6
- 2016 Audi RS6
- 2017 Audi RS6
- 2018 Audi RS6
- 2014 Audi RS 7
- 2015 Audi RS 7
- 2016 Audi RS 7
- 2017 Audi RS 7
- 2018 Audi RS 7
- 2013 Audi S6
- 2014 Audi S6
- 2015 Audi S6
- 2016 Audi S6
- 2017 Audi S6
- 2018 Audi S6
- 2013 Audi S7
- 2014 Audi S7
- 2015 Audi S7
- 2016 Audi S7
- 2017 Audi S7
- 2018 Audi S7
- 2013 Audi S8
- 2014 Audi S8
- 2015 Audi S8
- 2016 Audi S8
- 2017 Audi S8
- 2016 Audi S8 Plus
- 2017 Audi S8 Plus
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.