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Service bulletin WNN7

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 id10227475
Published by NHTSA2022-12-07
Manufacturer's numberWNN7
Manufacturer's date2022-11-04
NHTSA componentFUEL SYSTEM, GASOLINE

NHTSA's summary

Porsche intranet posting with information on workshop campaign - WNN7 - check fuel tank retaining strap and replace if necessary

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

Vehicles listed
PORSCHE 9112020, 2021, 2022

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. D7852026-06-05. Service bulletin. Parts information for parts withdrawal involving 9J1827447B, PAA971221B, and 95B201060AA. The lock, the fuel tank attachments, and the module connector. The vehicles affected are ones that use the part number(s) mentioned.
No. 88-202026-04-07. Service bulletin. Technical information for a Complaint - Oil Leakages on Double-Clutch Transmission (Porsche Doppelkupplung (PDK)): Observe Specified Procedure
nO. d7662026-03-02. Service bulletin. Parts information for parts withdrawal involving the fuel filler flap and the charge cable for mains socket. Part numbers 976809857E and 7PP971678GS
No. D7642026-03-02. Service bulletin. Parts information for parts withdrawal involving the multi-purpose additive for gasoline. Part number is 00004320902. The vehicles affected are ones that use part number mentioned.
No. D7562026-02-06. Service bulletin. Parts information for parts withdrawal involving the - Diagnosis Pump for Fuel System 958906243B and 958906243A. Vehicles affected are ones that use either of the part numbers mentioned.
No. 06-252025-03-06. Service bulletin. Manufacturer's Certificate - Overview of Approved Porsche C40 Engine Oils (06/25)
No. 05-252025-03-06. Service bulletin. Manufacturer's Certificate - Overview of Approved Porsche C30 Engine Oils (05/25)
No. 04-252025-03-06. Service bulletin. Manufacturer's Certificate - Overview of Approved Porsche C20 Engine Oils (04/25)
No. 03-252025-03-06. Service bulletin. Manufacturer's Certificate - Overview of Approved Porsche C40 Engine Oils (03/25)
No. 02-252025-03-06. Service bulletin. Manufacturer's Certificate - Overview of Approved Porsche C30 Engine Oils (02/25)