Audi A4 2002–2006 — technical service bulletin
Bulletin TSB-15-11-18 · NHTSA communication 10038249 · issued Jan 25, 2011
Technical service bulletin
communication type
Engine and Engine Cooling
component
2002–2006
model years
8
vehicle entries
Official summary
Audi: there is a ticking noise from the engine area which may be caused by wear in the camshaft. *rm
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.