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Cadillac Escalade Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12460268) - 2019 - CRC - 4/25/18
VEHICLE CARE 289
Check to see if coolant is visible in the
coolant surge tank. If the coolant
inside the coolant surge tank is
boiling, wait until it cools down. The
coolant level should be at or above the
full cold mark. If it is not, there may
be a leak in the cooling system.
If coolant is visible but the coolant
level is not at or above the full cold
mark, see “How to Add Coolant to the
Coolant Surge Tank” following.
How to Add Coolant to the
Coolant Surge Tank
{
Warning
Spilling coolant on hot engine parts
can burn you. Coolant contains
ethylene glycol and it will burn if
the engine parts are hot enough.
{
Warning
Plain water, or other liquids such as
alcohol, can boil before the proper
coolant mixture will. With plain
water or the wrong mixture, the
engine could get too hot but there
would not be an overheat warning.
The engine could catch fire and you
or others could be burned.
{
Warning
Steam and scalding liquids from a
hot cooling system are under
pressure. Turning the pressure 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.
Caution
Failure to follow the specific
coolant fill procedure could cause
the engine to overheat and could
cause system damage. If coolant is
not visible in the surge tank,
contact your dealer.
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