Audi Q7 2011–2014 — technical service bulletin
Bulletin 144220355912 · NHTSA communication 10216692 · issued Dec 19, 2014
Technical service bulletin
communication type
Fuel System, Gasoline
component
2011–2014
model years
4
vehicle entries
Official summary
Normal fuel system pulsation can cause slight vibrations in the pressure regulator on the flange located on the right side of the fuel tank. This pulsation also causes the long, curved fuel lines (Figure 1) to vibrate and make a jarring noise in the tank.
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.