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Service bulletin WLN4

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 id10185147
Published by NHTSA2021-01-05
Manufacturer's numberWLN4
Manufacturer's date2020-12-11
NHTSA componentSUSPENSION:FRONT:WHEEL BEARING; WHEELS

NHTSA's summary

Porsche intranet posting with preliminary information on Workshop campaign WLN4 - Replacing wheel bearing on left hand side of rear axle.

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

Suspension, Wheels, Wheel bearing

Vehicles listed
PORSCHE 718 SPYDER2020

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