Page 209 of 388
Downloaded from www.Manualslib.com manuals search engine Cooling
V-6 Engine
System
When you decide it’s safe to lift the hood, here’s what
you’ll see:
1. Coolant recovery tank
2. Radiator pressure car,
3. Electric engine fan
V-8 Engine
When you decide it’s safe to lift the hood, here’s what
you’ll see:
1. Coolant recovery tank
2. Radiator pressure cap
3. Electric engine fans
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Page 210 of 388
Downloaded from www.Manualslib.com manuals search engine If the coolant inside the coolant recovery tank is boiling,
don’t
do anything else until it cools down.
When
it is cool, remove the coolant recovery tank cap
and look at the dipstick. The coolant
level should be
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.
I NOTICE:
Engine damage from running your engine
without coolant
isn’t covered by your warranty.
If there seems to be no leak, with the engine on check to
see if the electric engine fan is running. If the engine is
overheating, the fan should be running. If it isn’t, your
vehicle needs service.
Page 211 of 388
Downloaded from www.Manualslib.com manuals search engine How to Add Coolant to the Coolant
Recovery Tank
If you haven’t found a problem yet, but the coolant level
isn’t at
FULL COLD , add a 50/50 mixture of clean
water (preferably distilled) and a proper antifreeze at
the coolant recovery tank. (See “Engine Coolant” in
the Index for more information about
the proper
coolant mix.)
I NOTICE: I
In cold weather, water can freeze and crack the
engine, radiator, heater core and other parts.
Use
the recommended coolant.
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Page 212 of 388
Downloaded from www.Manualslib.com manuals search engine When the coolant in the coolant recovery tank is at
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.
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Page 213 of 388
Downloaded from www.Manualslib.com manuals search engine HOW to Add Coolant to the Radiator
(V-6 Engines)
2. Then keep turning the pressure cap, but now push
down as you turn
it. Remove the pressure cap.
1. You can remove the radiator pressure cap when the
cooling system, including the radiator pressure cap
and upper radiator hose,
is no longer hot. 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.
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Page 214 of 388
Downloaded from www.Manualslib.com manuals search engine ~~ 3. Fill
the radiator with the proper mix, up to the base
of the filler neck. 4. Then fill the coolant recovery tank to FULL COLD.
Page 215 of 388
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. 6. Start the engine and let it run until you can feel the
upper radiator hose getting hot. Watch out for the
engine fan(s).
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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Page 216 of 388
Downloaded from www.Manualslib.com manuals search engine 8. Then replace the pressure cap. At any time during
this procedure if coolant begins to flow out
of the
filler neck, reinstall the pressure cap. Be sure the
arrows
on the pressure cap line up like this.
How to Add Coolant to the Radiator - LT1
(Code P) Engine Only
NOTICE:
The LT1 Engine (Code P) has a specific radiator
fill procedure. Failure
to follow this procedure
could cause your engine to overheat
and be
severely damaged.
5-22