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Service bulletin A307

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 id10005370
Published by NHTSA2004-02-24
Manufacturer's numberA307
Manufacturer's date2003-11-24
NHTSA componentSTEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS

NHTSA's summary

VOLUNTARY CUSTOMER CAMPAIGN INVOLVING VEHICLES THAT MAY HAVE A LOOSE CONNECTION (THREADED UNION) IN THE PRESSURE HOSE SYSTEM OF THE POWER STEERING UNIT. *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

Steering, Power steering

Vehicles listed
PORSCHE 911 GT22003 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 TURBO2003 (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.

Recalls for the same vehicles and component
03V2180002003-06-16. STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.