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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 id10235376
Published by NHTSA2023-05-03
Manufacturer's numberNo. 104-20
Manufacturer's date2023-04-05
NHTSA componentFUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY

NHTSA's summary

Symptom based workshop manual for a rattling noise form the fuel tank area - replacing fuel tank with new type of fuel tank

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, 2021, 2022, 2023
PORSCHE CAYENNE S2018, 2019, 2020, 2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it)

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