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Service bulletin 01742

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 id10006282
Published by NHTSA2004-04-27
Manufacturer's number01742
Manufacturer's date2004-01-01
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM

NHTSA's summary

2.8 LK5 3.5 L52 ENGINE - COOLANT TEMPERATURE GAUGE DROPS ON ACCELERATION. SIT BULLETIN 1460312. *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, Cooling system

Vehicles listed
CHEVROLET COLORADO2004
GMC CANYON2004

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

Other bulletins for the same vehicles and component
018652004-05-07. Service bulletin. TEMPERATURE COOLANT GAUGE LOW OR INOPERATIVE. *MR
017572004-04-30. Service bulletin. ENGINE COOLANT GAUGE DROP ON ACCELERATION. *MR