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Service bulletin WLG1

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 id10179276
Published by NHTSA2020-09-02
Manufacturer's numberWLG1
Manufacturer's date2020-08-04
NHTSA componentSERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS

NHTSA's summary

Porsche intranet communication concerning Workshop campaign Replacing brake discs and brake pads on the front and 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

Brakes, Brake pads

Vehicles listed
PORSCHE 9112020

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. 113-202020-09-02. Service bulletin. Service Campaign information for Porsche Workshop Campaign WLG1 - Replacing Brake Discs and Brake Pads on the Front and Rear Axle.
No. 167-192020-08-05. Service bulletin. Workshop campaign information for Porsche workshop campaign WKG4 - Replace PCCB Brake Disc Covers and Air Guides.