1994 CADILLAC DEVILLE engine coolant

Downloaded from www.Manualslib.com manuals search engine 6. Start the engine
and let it run until
you can
feel the
upper radiator hose
getting hot.
Watch out for the
engine fans.
7. By this time the coolant level inside the radiator filler neck may be
lower. If the level is lower, add more of the proper mix to the radiator
until the level reaches the base
of the radiator filler neck.
8. Replace the
pressure cap. Be
sure the arrows on
the pressure cap
line up like this.

Downloaded from www.Manualslib.com manuals search engine . A CAUTION:
An electric fan under the hood can start up and injure you even
when the engine is not running. Keep hands, clothing and tools
away from any underhood electric fan.
A CAUTION:
Things that burn can get on hot engine parts and start a fire.
These include liquids like gasoline, oil, coolant, brake fluid,
windshiefd washer and other fluids, and plastic
or rubber, You
or others could be burned, Be careful not to drop or spill things
that
will burn onto a hot engine.
Fluid Usage Label
Use the fluid usage label to identify the correct fluid you want to check.
GREEN: Engine Coolant
ORANGE: Power Steering Fluid
YELLOW Engine Oil
RED: Transmission Fluid
WHITE: Brake Fluid
BLUE: Washer Fluid
.-
258

Downloaded from www.Manualslib.com manuals search engine Engine Oil Additives
Don’t add anything to your oil. Your Cadillac dealer is ready to advise if
you think something should be added.
Men to Change Engine Oil
Your Cadillac has an “Oil Life Indicator.” This feature will let you know
when to change your oil
-- usually between 3,000 miles (5 000 km) and
7,500 miles (12 500 km) since your last oil change. Under severe
conditions, the indicator may come on before
3,000 miles (5 000 km).
Never drive your vehicle more than
7,500 miles (12 500 km) or 12 months
without an oil change.
% 1
-
-4
7
The system won’t detect dust in the oil. So, if you drive in a dusty area, be
sure to change your oil every 3,000 miles (5 000 km) or sooner if the
“CHANGE ENGINE OK’ message is displayed. Remember to reset the
‘ ’
Oil Life Indicator when the oil has been changed. For more information,
see
“Oil Life Indicator” in the Index.
7
How to Reset the Oil Life Indicator
After the oil has been changed, display the “OIL LIFE LEFT” message
by pressing the INFORMATION button. Then press and hold the
RESET button until the display shows “100”. This resets the oil life index.
The message
will remain off until the next oil change is needed. The
percentage
of oil life remaining may be checked at any time by pressing
the INFORMATION button several times until the “OIL LIFE LEFT”
message appears. For more information on the Oil Life Index feature, see
-
“Oil Life Index” in the Index.
Engine Coolant Heater (Engine Block Heater)
An engine coolant heater can be a big help if you have to park outside in
very cold weather,
0°F (-18°C) or colder. If your vehicle has this option,
see “Engine Coolant Heater” in the Index.
264

Downloaded from www.Manualslib.com manuals search engine When the correct fluid level is obtained, push the dipstick back in all -
the way.
ENGINE COOLANT 7
The following explains your cooling system and how to add coolant when (. I
it is low. If you have a problem with engine overheating, see “Engine
Overheating” in the Index.
The proper coolant for your Cadillac will:
0 Give freezing protection down to -34°F (-37OC) .
0 Give boiling protection up to 262 F (128 C) .
0 Prote-ct against rust and corrosion.
Help keep the proper engine temperature.
Let the warning-lights work as they shoula.
What to Use
Use a mixture of one-half clean water (preferably distilled) and one-half
antifreeze that meets
“GM specification 1825-M,” which won’t damage
aluminum parts. You can also use
a recycled coolant conforming to GM
Specification
1825-M with a complete coolant flush and refill. Use GM
Engine Coolant Supplement (sealer) with any complete coolant change.
If you use this mixture, you don’t need to add anything else.
r
c
270

Downloaded from www.Manualslib.com manuals search engine .A CAUTION:
. Adding only plain water to your cooling system can be
’ . dangerous. Plain water, or some-other liquid like alcohol, can
boil before the proper coolant .mix ,will. Your vehicle’s coolant
warning
system is set-for the proper coolant mix. With plain
water or the
wrong mix, your engine could get too hot but you
.wouldn’t get the overheat warning. Your engine could catch fire
and you
OF others could be burned. Use a 50/50 mix of clean
water and
a proper antifreeze.
NOTICE:
If you use an improper coolant mix, your engine could overheat
and be badly damaged. Therepair cost wouldn’t be covered
by
your warranty. Too much water in the mix can freeze and crack
the engine, radiator, heater .coreand other parts.
Adding Coolant
The Coolant Recovery Tank is located on the right side of your vehicle.
To Check Coolant
When your -engine is cold, the coolant level should be at the FULL
COLD mark or a little higher. When your engine is warm, the level
should be up to
FULL HOT mark or a little higher.
To Add Coolant
If you need more coolant, add the proper mix at the coolant recoverv
tank.
271

Downloaded from www.Manualslib.com manuals search engine 4 .. .. .
A CAUTION:
brning the radiator pressure cap when the engine and radiator
are
hut can allow steam and scalding liquids to blow out and
burn you badly. With the coolant recovery tank, you will almost
never have to add coolant
at the radiator. Never turn the
radiator
pressure cap -- even a little -- when the engine and
radiator are
hot.
Add coolant mix at the recovery tank, but be careful not to spill it.
A CAUTION:
You can be burned if you spil1 coolant on hot engine parts.
Coolant contains ethylene glycol, and it will burn if the engine
parts are hot
enough. Don’t spill coolant on a hot engine.
I
NOTICE:
Your radiator pressure cap is a 15 psi (105 ma) pressure-type
cap and must be tightly installed to prevent coolant loss and
possible engine damage
from overheating. Be sure the arrows
on
the cap line up with the overflow tube on the radiator filier
neck.
When you replace your radiator pressure cap, a GM cap is
recommended.
272

Downloaded from www.Manualslib.com manuals search engine THERMOSTAT
Engine coolant temperature is controlled by a thermostat in the engine
coolant system. The thermostat stops the
flow of coolant through the
radiator until the coolant reaches a preset temperature.
When you replace your thermostat, an
AC@ thermostat is recommended.
POKER STEERIING FLUID
273

Downloaded from www.Manualslib.com manuals search engine 1
F
i-
.F .
F
f
c
l e
DEVILLE INDEX
A
Acc (Ignition Key Position) ........................... 86
Accessory Power. Retained
.......................... 313
Active Audio Music System
...................... 163. 167
Adding Brake Fluid
..................................... 276
Electrical Equipment
.......................... 158. 313
Engine Coolant
.................................. 270
Engine Oil
...................................... 259
Power Steering Fluid
............................. 273
Transaxle Fluid
.................................. 266
Additives. Engine Oil
............................... 264
Adjustment. Brake
................................. 279
Adult Safety Belt Usage
.............................. 18
Air Bag
............................................ 30
Air Cleaner
....................................... 265
Air Cleaner Filter Replacement ...................... 265
Air Conditioner
.................................... 150
Air Outlets
........................................ 150
Air System ........................................ 150
Alarm. How
To Turn Off Theft ........................ 83
Alcohol. Driving Under The Influence Of .............. 177
Alcohol in Gasoline
................................. 249
Aluminum Wheels. Cleaning
......................... 302
AMAX@ .......................................... 157
AM Radio Reception ............................... 157
AM Stereo Radio Reception ......................... 158
Antenna. Cleaning Radio
............................. 175
Antifreeze
........................................ 270
Anti-LockBrakes
.................................. 182
Anti-Lock Brake System Warning Light
............ 133. 182
Anti-Lockout Tips
................................... 72
Anti-Theft Tips
..................................... 82
Appearance Care
................................... 300
Arm. Wearing A Safety Belt Under Your ................ 28
Armrest. Storage
.................................... 76
Ashtrays and Lighters
............................... 127
Air Cleaner
Replace
..................... See Maint . Book
P
1