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Service
&
Appearance Care
ID
Adding Coolant
-3.
IL
V6
Engine
To
Check Coolant
When your engine is cold, the coolant
level should be at
FULL
COLD,
or a
little
higher.
To
Add
Coolant
If
you need more coolant, add the
proper
mix
at the
surge
tank.
I72
Radiator
Pressure
Cap
NOTICE:
Your radiator 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. Be sure the arrows
on the cap line up with the overflow
tube on the radiator filler neck.
When
you
replace your radiator
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
AC@
thermostat
is
recommended.