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Service bulletin 062502

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 id636447
Published by NHTSA2002-11-08
Manufacturer's number062502
Manufacturer's date2002-06-25
NHTSA componentELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

NHTSA's summary

SUBJECT REGARDING ALTERNATOR TYPE WHINE NOISE ON LATE MODEL BUICKS EQUIPPED WITH A 3800 ENGINE. *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
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Listing a model year does not mean every vehicle of it is concerned: the document says which.