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Service bulletin 040730018

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 id10012603
Published by NHTSA2005-03-08
Manufacturer's number040730018
Manufacturer's date2007-02-01
Replaces040730018B
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

AVAILABILITY OF TRANSMISSION SHIELD TO PROTECT SHIFT CABLE MANUAL SHAFT AREA FROM SNOW AND ICE BUILD UP. THIS INCLUDES 2001-04 LIGHT DUTY TRUCKS WITH ALLISON 5 SPEED TRANSMISSION. *EH UPDATED 04-04-07. INCLUDES ALL CHEVROLET AND GMC LIGHT DUTY TRUCKS, YEARS 2001-2005. *KB

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.