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Service bulletin 0302

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 id10005231
Published by NHTSA2004-02-17
Manufacturer's number0302
Manufacturer's date2003-12-18
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

NHTSA's summary

INTAKE MANIFOLD TUNING FLAP OUT OF ALIGNMENT OR SEIZED DUE TO WORN OUT BUSHINGS. *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, Exhaust and emissions, Exhaust manifold, pipes and muffler

Vehicles listed
PORSCHE 9281987 to 1988
PORSCHE 9281989, 1990, 1991

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