Audi A6 2002–2006 — technical service bulletin
Bulletin 0505 · NHTSA communication 10017783 · issued Oct 28, 2005
Technical service bulletin
communication type
Engine and Engine Cooling
component
2002–2006
model years
10
vehicle entries
Official summary
Coolant leakage around auxiliary coolant pump. Coolant light may be illuminated. *tt
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.