Audi A8 2013 — technical service bulletin
Bulletin A191560 2036167- · NHTSA communication 10120807 · issued Jun 24, 2015
Technical service bulletin
communication type
Engine and Engine Cooling
component
2013
model years
4
vehicle entries
Official summary
Supersedes Technical Service Bulletin Group 19 number 14-47 dated January 31, 2014. The low coolant level light is illuminated. The coolant level is too low. A black crust is visible on the turbocharger coolant lines. There may be slow coolant loss from the connections of the coolant feed pipe and coolant return pipe. High temperatures cause the coolant to become encrusted on the connection flange of the turbocharger.
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.