Adding Coolant - Chevrolet 2008 Colorado Owner's Manual

It is located toward the rear of the engine compartment
on the passenger's side of the vehicle. See Engine
Compartment Overview on page 5-12 for more
information on location.
The vehicle must be on a level surface. When your
engine is cold, the coolant level should be at FULL
COLD, or a little higher. When your engine is warm,
the level could be above the FULL COLD level.

Adding Coolant

If you need more coolant, add the proper DEX-COOL
coolant mixture at the coolant recovery tank.
CAUTION:
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Turning the radiator pressure cap when the
engine and radiator are hot 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 mixture at the recovery tank, but be careful
not to spill it.
CAUTION:
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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. Do not spill coolant on a hot engine.
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Occasionally check the coolant level in the radiator.
For information on how to add coolant to the radiator,
see Cooling System on page 5-32.
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