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Service bulletin 991326R1

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 id607599
Published by NHTSA1999-09-30
Manufacturer's number991326R1
Manufacturer's date1999-09-01
Replaces991326
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

SUBJECT ON BRUSHED STAINLESS STEEL ACCESSORY SKID PLATE COVER. *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.

Vehicles listed
AM GENERAL HUMMER

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