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Service bulletin 3415

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 id10017216
Published by NHTSA2005-10-28
Manufacturer's number3415
NHTSA componentELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

NHTSA's summary

GENERATOR PULLEY MAY BECOME LOOSE. *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

Electrical system, Alternator

Vehicles listed
BUICK RAINIER2005
CHEVROLET TRAILBLAZER2005
GMC ENVOY2005

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