2005 CADILLAC DEVILLE Owners Manual

Page 297 of 420

CADILLAC DEVILLE 2005 8.G Owners Manual What to Use
Use a mixture of one-half clean, drinkable water and
one-half DEX-COOL®coolant which will not damage
aluminum parts. If you use this coolant mixture, you do
not need to add anything else.

Page 298 of 420

CADILLAC DEVILLE 2005 8.G Owners Manual Checking Coolant
The engine coolant surge tank is located toward the
rear of the engine compartment on the passenger’s side
of the vehicle. For more information on location, see
Engine Compartment O

Page 299 of 420

CADILLAC DEVILLE 2005 8.G Owners Manual Adding Coolant
If you need more coolant, add the proper DEX-COOL®
coolant mixture at the coolant surge tank, but only
when the engine is cool.
{CAUTION:
You can be burned if you spill coolant on hot

Page 300 of 420

CADILLAC DEVILLE 2005 8.G Owners Manual If Steam Is Coming From Your Engine
{CAUTION:
Steam from an overheated engine can burn
you badly, even if you just open the hood. Stay
away from the engine if you see or hear steam
coming from it. Jus

Page 301 of 420

CADILLAC DEVILLE 2005 8.G Owners Manual If you get the overheat warning with no sign of steam,
try this for a minute or so:
1. In heavy traffic, let the engine idle in NEUTRAL (N)
while stopped. If it safe to do so, pull off the road,
shift

Page 302 of 420

CADILLAC DEVILLE 2005 8.G Owners Manual Cooling System
When you decide it is safe to lift the hood, here is what
you will see:
A. Coolant Surge Tank with Pressure Cap
B. Electric Engine Cooling Fans{CAUTION:
An electric engine cooling fan u

Page 303 of 420

CADILLAC DEVILLE 2005 8.G Owners Manual {CAUTION:
Heater and radiator hoses, and other engine
parts, can be very hot. Do not touch them. If
you do, you can be burned.
Do not run the engine if there is a leak. If you
run the engine, it could

Page 304 of 420

CADILLAC DEVILLE 2005 8.G Owners Manual How to Add Coolant to the Coolant
Surge Tank
If you have not found a problem yet, check to see if
coolant is visible in the surge tank. If coolant is visible
but the level is not 4.5 inches (11.4 cm)