Audi A8 2013 — technical service bulletin
Bulletin TSB-19-15-60 · NHTSA communication 10058585 · issued Jun 24, 2015
Technical service bulletin
communication type
Engine and Engine Cooling
component
2013
model years
4
vehicle entries
Official summary
Audi: some vehicles are experiencing, on turbocharger coolant lines, a visible black crust can be seen due to seepage and coolant level is low and illumination of low coolant level light. Model 2013 a8, s8, s7, s6. *pe
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.