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GMC 2001 C3 - Page 258

GMC 2001 C3
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5-15
CAUTION: (Continued)
get too hot but you wouldn’t get the overheat
warning. Your engine could catch fire and you or
others could be burned. Use a 50/50 mixture of
clean, drinkable water and DEX
-COOL
R
coolant.
NOTICE:
In cold weather, water can freeze and crack the
engine, radiator, heater core and other parts.
So use the recommended coolant.
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.
1. You can remove the coolant surge tank pressure
cap when the cooling system, including the coolant
surge tank pressure cap and upper radiator hose,
is no longer hot. Turn the pressure cap slowly
counterclockwise (left) about one full turn. If you
hear a hiss, wait for that to stop. A hiss means there
is still some pressure left.

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