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Service bulletin 3304

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 id10017141
Published by NHTSA2005-10-26
Manufacturer's number3304
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY

NHTSA's summary

UPPER RADIATOR HOSE MAY HAVE A COOLANT LEAK, BECAUSE IT HAS RUBBED THROUGH ON THE FAN SHROUD. *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, Cooling system, Radiator

Vehicles listed
CHEVROLET EXPRESS2004, 2005
GMC SAVANA2004, 2005

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
7022005-09-12. Service bulletin. COOLANT LEAK FROM THE LOWER RADIATOR HOSE. *TT
33752005-04-20. Service bulletin. COOLANT LEAK FROM THE LOWER RADIATOR HOSE. *TT