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Service bulletin 866408

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 id601393
Published by NHTSA1998-08-03
Manufacturer's number866408
Manufacturer's date1998-05-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE

NHTSA's summary

VEHICLE CHARGES WITH IGNITION KEY "ON" BUT NOT "OFF". *YC

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

Vehicles listed
CHEVROLET S101997 to 1998

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