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Service bulletin 011100

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 id617222
Published by NHTSA2001-03-14
Manufacturer's number011100
Manufacturer's date2000-11-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE

NHTSA's summary

SUBJECT REGARDING THE ENGINE EXCHANGE PROGRAM FOR 6600 DURAMAX DIESEL ENGINES. *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

Engine

Vehicles listed
CHEVROLET SILVERADO
GMC SIERRA

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