User Manual - Page 245

For 2003 ALERO.

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Heater
a
_.__
.
-ldiatoL -.oses, and other engine
parts, can be very hot. Don’t touch them. If you
do, you can be burned.
Don’t run the engine if there
is
a leak. If you
run
the engine,
it
could lose all coolant. That
could cause an engine fire, and you could be
burned. Get any leak fixed before you drive the
vehicle.
If
there seems to be no leak, with the engine on, check
to
see
if
the electric engine cooling fans are running.
If
the engine is overheating, both fans should be
running.
If
they aren’t, your vehicle needs service.
Notice:
Engine damage from running your engine
without coolant isn’t covered by your warranty.
Notice:
When adding coolant,
it
is
important that
you use only
DEX-COOL@ (silicate-free) coolant.
If coolant other than DEX-COOL
is
added to
the system, premature engine, heater core or
radiator corrosion may result. In addition, the engine
coolant will require change sooner
-
at
30,000
miles
(50
000
km) or
24
months, whichever occurs first.
Damage caused by the use of coolant other
than DEX-COOL@ is not covered by your new vehicle
warranty.
How
to
Add
Coolant to the Coolant
Surge Tank
Notice:
This vehicle has a specific coolant fill
procedure. Failure to follow this procedure could
cause your engine to overheat and be severely
damaged.
If you haven’t found a problem yet, check to see
if
coolant is visible in the surge tank.
If
coolant is visible
but the coolant level isn’t at or above the
FULL
COLD
mark, add a
50/50
mixture of
clean, drinkable
water
and
DEX-COOL@
coolant at the coolant
surge tank, but be sure the cooling system, including
the coolant surge tank pressure cap,
is cool before
you
do it. See
Engine Coolant on page
5-23
for more
information.
5-30
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