1994 CADILLAC DEVILLE radiator cap

Downloaded from www.Manualslib.com manuals search engine COOLING SYSTEM
When you decide it’s safe to lift the hood, here’s what you’ll see:
Coolant recovery tank
Radiator pressure cap
Electric engine fans
. . ..~ . -~~ . .- - .
A CAUTION:
An electric fan under the hood can start up even when the
engine is not running and can injure
you. Keep hands, clothing
and
tools away from any underhood eIectric fan.
If the coolant inside the coolant recovery tank is boiling, don’t do
anything else until
it cools down.

Downloaded from www.Manualslib.com manuals search engine You can be burned if you spill 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
I --
1. You can remove the radiator pressure cap when the cap and upper
radiator hose are no longer hot.
0 Turn the pressure
cap slowly to the
left until
it first
stops. (Don’t press
down while turning
the pressure cap.)
If you hear a hiss, wait for that to stop. A hiss means there is still some
pressure left.
232

Downloaded from www.Manualslib.com manuals search engine 2. Then keep turning the pressure cap,
but now push down
as you turn it.
Remove the
pressure cap.
3. Fill the radiator
with the proper
mix, up to the base
of the filler neck.

Downloaded from www.Manualslib.com manuals search engine 4. Then fill the
coolant recovery
tank to
the FULL
COLD mark.
5. Put the cap back
on
the coolant
recovery tank, but
leave the radiator
pressure cap
off.
234
c-
2.
LI
LA

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 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 WINDSHIELD WASHER FLUID
-
To Add:
Open the cap labeled
“WASHER
FLUID
ONLY.” Add
windshield washer fluid until the bottle is
full. r
r
r
I‘ 6
NOTICE:
When using concentrated washer fluid, follow the
manufacturer instructions for adding water.
Don’t mix water with ready to use washer fluid. Water can
cause the solution to freeze and damage your washer fluid
tank and other parts of the washer system.
Also, water
doesn’t clean as well as washer fluid.
Fill your washer fluid tank only 3/4 full when it’s very cold.
This allows for expansion, which could damage the tank
if iE
is completely full.
Don’t use radiator antifreeze in your windshield washer. It
can damage your paint.

Downloaded from www.Manualslib.com manuals search engine Ly ENGINE COOLING SYSTEM
Radiator Cap Relief Pressure ................. 15.0 psi (103 kPa)
Thermostat Starts To Open
................ 192-199'F (89-93OC)
Water Pump Type
................................. Centrifugal
Drive Belt
....................................... Serpentine
Radiator Core
................................... Aluminum
Radiator Cooling Fans (2)
............................ Electric
FUEL SYSTEM
Induction Type ............ Sequential Port Fuel Injection (SPFI)
System Pressure
.................... .33.4-43.5 psi (230-300 kPa)
Idle Speed
.................................. ECM Controlled
Filter Type
............................... Paper Type Element
Fuel Pump
................................ Electric (In Tank)
Fuel Required ................. Premium Unleaded (91 Octane)
AUTOMATIC TRANSAXLE
Trade Name ............................. Hydra- Matic 4T60E
Type ..................................... 4-Speed Automatic
.................................... Viscous Converter Clutch
Fluid Required
............... DEXRON IIE@or DEXRON HI@
Axle Ratio
........................................... 2.73:l
EMISSION CONTROL SYSTEMS
Exhaust Gas Recirculation .................... Controlled Flow
Catalytic Converter
......................... Ceramic Monolith
Evaporative Emission Control
................ Charcoal Canister
Crankcase Emission Control
....................... PCV Valve
Electronic System
..................... Open and Closed Loop
327
-