Porsche Cayenne 2003–2006 — technical service bulletin
Bulletin 122-M8L6W-08 · NHTSA communication 10143836 · issued Jul 20, 2018
Technical service bulletin
communication type
Fuel System, Gasoline
component
2003–2006
model years
4
vehicle entries
Official summary
Subject: Filter flange of fuel pump Information: Fine hairline cracks can occur on the filter flange of the fuel pump on the affected vehicles. As a result, fuel can seep out causing a smell of fuel.
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.