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Service bulletin 01T47

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 id628277
Published by NHTSA2002-03-06
Manufacturer's number01T47
Manufacturer's date2001-10-01
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM

NHTSA's summary

SUBJECT REGARDING ENGINE COOLANT LEAK IN OR AROUND SPARK PLUG WELL AREA OF CYLINDER HEAD (ADD ONE 10 GRAM PELLET OF ENGINE COOLING SYSTEM SEALER) *JG

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

Vehicles listed
SATURN S-SERIES1998 to 2001

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