Radiator Pressure Cap; Engine Overheating - Chevrolet 2008 Colorado Owner's Manual

Radiator Pressure Cap

Notice: If the pressure cap is not tightly installed,
coolant loss and possible engine damage may occur.
Be sure the cap is properly and tightly secured.
See Engine Compartment Overview on page 5-12 for
more information on location.

Engine Overheating

A coolant temperature gage is on the instrument panel.
See Engine Coolant Temperature Gage on page 3-33.
The air conditioning might stop working if the engine
is too hot. This is normal and helps cool the engine.
5-30
If Steam Is Coming From Your Engine
CAUTION:
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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 you
open 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.
Notice: If your engine catches fire because you
keep driving with no coolant, your vehicle can
be badly damaged. The costly repairs would not be
covered by your warranty.