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Service bulletin 021001

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 id633686
Published by NHTSA2002-09-23
Manufacturer's number021001
Manufacturer's date2002-04-01
NHTSA componentVISIBILITY:WINDSHIELD

NHTSA's summary

SUBJECT REGARDING ONE-PIECE WINDOW SEALS. *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

Glass, wipers and mirrors, Windshield

Vehicles listed
AM GENERAL HUMMER

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