Porsche Cayenne 2003–2006 — technical service bulletin
Bulletin 122-D9G9Q-09 · NHTSA communication 10117510 · issued Aug 2, 2017
Technical service bulletin
communication type
Fuel System, Gasoline
component
2003–2006
model years
4
vehicle entries
Official summary
Information: Leaks have occurred at the filter flange of the fuel pump over the service life of vehicles manufactured during certain periods on some Volkswagen Group brands. Similar components are installed in Cayenne vehicles from model years 2003 - 2006. However, Porsche is not aware of any problem concerning leaks at the filter flange of the fuel pump on these vehicles. To find out more about the long-term behavior of the filter flange of the fuel pump, part testing must be carried out on specific Cayenne vehicles from model years 2003 - 2006 as a preventative measure.
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.