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Service bulletin No. 104-20

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10179273
Published by NHTSA2020-09-02
Manufacturer's numberNo. 104-20
Manufacturer's date2020-08-27
NHTSA componentFUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

NHTSA's summary

Instructions for replacing the fuel tank on the new Cayenne in the event of rattling noises from the tank area.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Fuel system, Fuel tank

Vehicles listed
PORSCHE CAYENNE2018, 2019, 2020

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
No. 104-202023-05-03. Service bulletin. Symptom based workshop manual for a rattling noise form the fuel tank area - replacing fuel tank with new type of fuel tank
No. 2205.12022-03-04. Service bulletin. Instructions on advanced technical information for Cayenne and Panamera with EVAP faults sought for analysis purposes.
No. 22052022-03-04. Service bulletin. Instructions on advanced technical information for Cayenne and Panamera with EVAP faults sought for analysis purposes.
No. 104-202022-02-04. Service bulletin. Information on Symptom Based Workshop Manual - noise symptom: rattling noises from the fuel tank area - replacing fuel tank with new type of fuel tank.
No. 104-202020-09-02. Service bulletin. Information for replacing the fuel tank on certain Cayenne models in the even of rattling noises from the fuel tank area.