Audi A8 2013–2017 — technical service bulletin
Bulletin A1516292045455 · NHTSA communication 10091566 · issued Sep 22, 2016
Technical service bulletin
communication type
Engine
component
2013–2017
model years
22
vehicle entries
Official summary
This is an information tsb regarding a crack that appears to be a on cyclinder head.
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.