Audi A6 2013 — technical service bulletin
Bulletin 01134220333792 · NHTSA communication 10228337 · issued Nov 21, 2013
Technical service bulletin
communication type
Engine and Engine Cooling
component
2013
model years
7
vehicle entries
Official summary
An oil filter that is too short is installed. The oil filter must be 155 (+/-1) mm long. If the oil filter is too short, the drain flap in the oil filter housing will not be completely closed and oil pressure will be lost.
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.