Adding Coolant
If
you need more coolant, add the proper
DEX-COOL@
coolant mixture
at
the
surge
tank,
but only when the
engine is cool.
I’
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.
When replacing the pressure cap, make sure it is tight.
Surge
Tank
Pressure
Cap
NOTICE:
Your
surge tank cap
is
a
15
psi
(105
kPa)
pressure-type cap and must be tightly installed to
prevent coolant
loss
and possible engine damage
from overheating.
When you replace your surge tank pressure cap,
a
GM
cap is recommended.
Thermostat
Engine coolant temperature is controlled by a thermostat
in the engine coolant system. The thermostat stops the
flow
of
coolant through the radiator until the coolant
reaches
a
preset temperature.
When
you
replace your thermostat, an ACDelco
thermostat is recommended.
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