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Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12032182) - 2019 - crc - 5/8/18
Vehicle Care 247
Cooling System
(Intercooler on LT4 and
LT5 Engines)
Engine performance can be greatly
reduced when the intercooler
system is not completely full. If there
is a decrease in engine
performance, or if the intercooler
system has experienced a loss of
coolant, see your dealer.
Engine Overheating
The vehicle has several indicators
to warn of engine overheating.
There is an engine coolant
temperature gauge on the
instrument cluster. See Engine
Coolant Temperature Gauge 0 110.
The vehicle may also display a
message on the Driver Information
Center (DIC).
If the decision is made not to lift the
hood but to get service help right
away, see Roadside Assistance
Program 0 334.
If the decision is made to lift the
hood, make sure the vehicle is
parked on a level surface.
Then check to see if the engine
cooling fan is running. If the engine
is overheating, the fan should be
running. If it is not, do not continue
to run the engine, and have the
vehicle serviced.
Caution
Do not run the engine if there is a
leak in the engine cooling system.
This can cause a loss of all
coolant and can damage the
system and vehicle. Have any
leaks fixed right away.
If Steam Is Coming from the
Engine
{
Warning
Steam and scalding liquids from a
hot cooling system are under
pressure. Turning the pressure
(Continued)
Warning (Continued)
cap, even a little, can cause them
to come out at high speed and
you could be burned. Never turn
the cap when the cooling system,
including the pressure cap, is hot.
Wait for the cooling system and
pressure cap to cool.
If Steam Is Coming from the
Engine Compartment with no
Overheat Warning
The hood vent opening, if equipped,
will allow water from rain and car
washes to enter the engine
compartment and contact hot
surfaces. If steam is coming from
the hood vent opening with no
accompanying overheat warning, no
service is needed.
If No Steam Is Coming from
the Engine
If an engine overheat warning is
displayed but no steam can be seen
or heard, the problem may not be
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