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Service bulletin W206

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 id635597
Published by NHTSA2002-10-25
Manufacturer's numberW206
Manufacturer's date2002-08-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER

NHTSA's summary

PORSCHE AG HAS INITIATED A SERVICE ACTION PERTAINING TO THE INSTALLATION OF THE TURBOCHARGERS THAT IN SOME CASES MAY BE INCORRECT. OWNERS MAY COMPLAIN REGARDING ENGINE PERFORMANCE DURING ACCELERATION. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine, Turbocharger or supercharger

Vehicles listed
PORSCHE 911 TURBO2002 (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.