Adding Coolant
If
you need more coolant, add the proper
DEX-COOL@
coolant mixture
ut the
surge
tank,
but only when the
engine is
cool.
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
Your pressure 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
themostat
in the engine coolant system. The therrnostat 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.
6-25
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