CADILLAC FLEETWOOD 1993 2.G Owners Manual

Page 241 of 386

Downloaded from www.Manualslib.com manuals search engine engine on your Cadillac
?If Steam Is Coming From Your Engine:
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A 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. Just turn it
off and get everyone
away from the vehicle until it cools down. Wait until there is no
sign of steam or coolant before opening the hood.
If you keep driving when your engine is overheated, the liquids
in it can catch fire.
You or others could be badly burned. Stop
your engine if it overheats, and get out of the vehicle until the
engine is cool.
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Downloaded from www.Manualslib.com manuals search engine IfNo Steam Is Coming From Your Engine:
If you get the overheat warning but see or hear no steam, the problem
may not be too serious. Sometimes the engine can get a little too hot
when you:
0 Climb a long hill on a hot day.
0 Stop after high speed driving.
0 Idle for long periods in traffic.
Tow a trailer.
If you get the overheat warning with no sign of steam, try this for a
minute or
so:
1. Turn off your air conditioner.
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2. Turn on your heater to full hot at the highest fan speed and open the
3. If you’re in a traffic jam, shift to “N” (Neutral).
window
as necessary.
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If you no longer have the overheat warning, you can drive. Just to be safe, -
drive slower for about ten minutes. If the warning doesn’t come back on, 1
you can drive normally.
If the warning continues, pull over, stop, and park your vehicle right
away.
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If there’s still no sign of steam, you can idle the engine for two or three
minutes while you’re parked, to see if the warning stops. But then,
if you
still have the warning, TURN
OFF THE ENGINE AND GET
EVERYONE OUT
OF THE VEHICLE until it cools down.
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You may decide not to lift the hood but to get service help right away.
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Page 243 of 386

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
(If Equipped)
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 electric fan.
~
If the coolant inside the coolant recovery tank is boiling, don’t do
anything else until it cools down. -
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Downloaded from www.Manualslib.com manuals search engine The coolant level should be at or above “FULL COLD.” If it isn’t, you
may have a leak in the radiator hoses, heater hoses, radiator, water pump
or somewhere else
in the cooling system.
A CAUTION:
Heater and radiator hoses, and other engine parts, can be very
hot. Don’t touch them.
If you do, you can be burned.
Don’t run the engine if there
is a leak. If you run the engine, it
could lose all coolant. That could cause an engine fire, and you
could be burned. Get any leak fixed before you drive the vehicle.
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1. .
If there seems to be no leak, check to see if the fan or if equipped electric --
engine fans are running. If the engine is overheating, both fans should be
running.
If they aren’t, your vehicle needs service.

Page 245 of 386

Downloaded from www.Manualslib.com manuals search engine - How to Add Coolant to the Coohnt Recovery Tank
If you haven’t found a problem yet, but the coolant level isn’t at or above
“FULL COLD,” add a 50/50 mixture of clean water (preferably distilled)
Coolant” in the Index for more information about the proper coolant
mix.)
- and a proper antifreeze at the coolant recovery tank. (See “Engine
,-
A CAUTION:
I 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
water or the wrong mix, your engine could get too hot but you
wouldn’t get the overheat warning. Your engine could catch fire
water and
a pmqer antifreeze.
I warning system is set for the proper coolant mix. With plain
I and you or others could be burned. Use a 50/50 mix of clean
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Downloaded from www.Manualslib.com manuals search engine i
A CAUTION:
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.
When the coolant in the coolant recovery tank is at or above “FULL
COLD,” start your vehicle.
If the overheat warning continues, there’s one more thing you can try.
You can add the proper coolant
mix directly to the radiator, but be sure
the cooling system is
cool before you do it.
T
Y
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Downloaded from www.Manualslib.com manuals search engine A CAUTION:
Steam and scalding liquids from a hot cooling system can blow
out and burn you badly. They are under pressure, and if you
turn the radiator pressure cap
-- even a little -- they can come
out at high speed. Never turn the cap when the cooling system,
including the radiator pressure cap, is hot. Wait for the cooling
system and radiator pressure cap to cool if you ever have to turn
the pressure cap.
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Downloaded from www.Manualslib.com manuals search engine How to Add Coolant to the Radiator
You can remove the radiator pressure cap when the cooling system,
includinp the radiator pressure cap and upper radiator hose, is
no longer
hot.
- 1. Turn the pressure
cap slowly to the
left until it first
stops. (Don’t
press down while turning the
pressure cap.)
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If you hear a hiss, wait for that to stop. A hiss means there is still some .
pressure left.
2. Then keep turning
the pressure cap,
but now push
down as you turn
it. Remove the
pressure cap.
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Downloaded from www.Manualslib.com manuals search engine r
3. Fill the radiator
with the
proper
mix, up to the
base of the
neck.
filler

Page 250 of 386

Downloaded from www.Manualslib.com manuals search engine 5. Put the cap back
on the coolant
recovery tank, but
leave the radiator
pressure cap off.
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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 through the
filler neck until the level reaches the base of
the filler neck.
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