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Service bulletin 0804

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 id10014333
Published by NHTSA2005-04-30
Manufacturer's number0804
Manufacturer's date2004-08-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

THE ALLISON LCT 1000 AUTOMATIC TRANSMISSION IS OFFERED IN 3/4 AND 11 TON SILVERADO AND SIERRA TRUCKS WITH 8.1L GASOLINE AND 6.6 DURAMAX DIESEL ENGINE. *NM

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

Transmission and driveline, Automatic transmission

Vehicles listed
UNKNOWN UNKNOWN

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