COOLING
SYSTEM 6-5
ENGINE
COOLANT
At
the time
of
manufacture, the cooling system
is
filled
with
a
50:50
mixture
of
distilled
water and ethylene glycol antifreeze.
This mixture
will
provide optimum corrosion
and
heat protec-
tion,
and
will
protect the cooling system from freezing at
above
-31 °C
(-24T).
If
the vehicle
is to be
exposed
to
temperatures below -31
°C
(-24T),
the percentage
of
antifreeze should
be
increased
to
55%
or
60%, according to figure
2.
• The
characteristics
of
different antifreeze vary; therefore,
make sure to use the specified antifreeze.
\SifM
Engine coolant: Mix antifreeze designed for aluminum
radiators
with
distilled water only.
Water/antifreeze mixture ratio:
50:50
-
40:60
A CAUTION
Mix a high quality ethylene glycol based antifreeze
with
distilled water only. Do not mix an alcohol
based
antifreeze or different brands of antifreeze.
The
percentage of antifreeze in the coolant should
be between 50 to 60%. If the percentage of anti-
freeze is above or below this range the coolant's
frost protection and rust-inhibiting capabilities will
be reduced. Always keep the antifreeze content
above 50% even if the atmospheric temperature
does
not go below the freezing point.
ESffl
Engine
coolant
capacity:
2 000 ml (2.1 US qt, 1.8 Imp qt)
Antifreeze density
Freezing
point
50%
-31 °C
(-24T)
55%
-40°C
(-40°F)
60%
-55°C
(-67°F)
(°F)
(°C)
302
150
284
140
poini
266
130
CD
•M
248 120
CD
230
110
212
100
(kgf/crrr)
0
10 20 30 40 50 60
Density
(%)
Fig.
1
Engine
coolant density-boiling point
(°F)
<°C)
32
i
0
14
-10
-4 -20
-22
-30
ing pc
-40
-40
'eez
-58
J
-50
u_
-76^
-60
-94-
-70
20
40 60 80 100
Density
(%)
Fig.
2
Engine
coolant density-freezing point
A
WARNING
* Do not open the radiator cap when the engine is
hot, as you may be injured by
escaping
hot liquid or
vapor.
* The engine must be cool before servicing the cool-
ing
system.
* Engine coolant may be harmful if swallowed or if it
comes
in contact
with
the skin or
eyes.
If engine
coolant gets into the eyes or contacts the
skin,
flush
the eyes or wash the skin thoroughly,
with
plenty of water. If engine coolant is swallowed,
induce
vomiting and call a physician immediately.
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