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Service bulletin 122-G8N8N-03

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 id10120603
Published by NHTSA2017-10-25
Manufacturer's number122-G8N8N-03
Manufacturer's date2017-02-23
NHTSA componentFUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

NHTSA's summary

There is a possibility that the fastening screws for the fuel collection pipes on the affected vehicles can shear off due to stress corrosion cracking. If this happens, the high fuel pressure that builds up in the fuel injection system when the engine is running can press the relevant fuel collection pipe off the fuel injectors. This can cause a fuel leak in the engine compartment. Remedial Action: Replace fastening screws for both fuel collection pipes.

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 pump

Vehicles listed
PORSCHE 718 CAYMAN2017

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