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Service bulletin 030602004

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 id10002371
Published by NHTSA2003-08-26
Manufacturer's number030602004
Manufacturer's date2003-05-01
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM

NHTSA's summary

LOSS OF ENGINE COOLANT. *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
CADILLAC DEVILLE2001, 2002, 2003
CADILLAC ELDORADO2001, 2002
CADILLAC SEVILLE2001, 2002, 2003
OLDSMOBILE AURORA2001, 2002, 2003

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
070120042005-04-29. Service bulletin. RADIATOR SUPPORT SIGHT SHIELD. *SC
091320022004-09-30. Service bulletin. THIS MESSAGE CONCERNS INSIDE AIR TEMPERATURE SENSOR NOISY. COMMENTS THAT A NOISE IN THE LEFT SIDE OF THE INSTRUMENT PANEL ON COLD STARTS. THIS NOISE MAY BE DESCRIBED AS A GRIND, GROWL, HUM, WHINE OR SQUEAL. A FAN NOISE MAY ALSO BE HEARD WHILE DRIVING. THIS CONDITION MAY BE CAUSED BY THE INSIDE AIR TEMPERATURE SENSOR. *TT
030602004B2004-02-11. Service bulletin. LOSS OF ENGINE COOLANT. *TT
0630032003-10-29. Service bulletin. THIS PURPOSE OF THIS VME MESSAGE IS TO CLARIFY INSTALLATION INSTRUCTIONS FOR A BLOWER MOTOR USED ON PREVIOUS BODY STYLE CADILLACS WITH THE NORTHSTAR ENGINE. *TT
030602004A2003-08-26. Service bulletin. LOSS OF ENGINE COOLANT. *TT
1106012001-10-29. Service bulletin. SUBJECT REGARDING AN UNDER FILL CONDITION OF THE VEHICLES' COOLANT SYSTEM. SOME OF THESE VEHICLES MAY EXHIBIT A LOW COOLANT LIGHT MESSAGE. *TT