Engine Coolant - Suzuki LT-A700X 2004 Service Manual

7-2 COOLING AND LUBRICATION SYSTEM

ENGINE COOLANT

At the time of manufacture, the cooling system is filled with a 50:50 mixture of distilled water and ethylene
glycol anti-freeze. This 50:50 mixture will provide the optimum corrosion protection and excellent heat pro-
tection, and will protect the cooling system from freezing at temperatures above –31°C (–24°F).
If the vehicle is to be exposed to temperatures below –31°C (–24°F), this mixing ratio should be increased
up to 55% or 60% according to the figure.
Anti-freeze density
50%
55%
60%
#
* Use a high quality ethylene glycol base anti-freeze, mixed with distilled water. Do not mix an
alcohol base anti-freeze and different brands of anti-freeze.
* Do not put in more than 60% anti-freeze or less than 50%. (Refer to figure.)
* Do not use a radiator anti-leak additive.
50% Engine coolant including reserve tank capacity
Anti-freeze
Water
(˚F)
32
14
–4
–22
–40
–58
–76
–94
Fig.1 Engine coolant density-freezing
point curve.
!
* You can be injured by scalding fluid or steam if you open the radiator cap when the engine is
hot. After the engine cools, wrap a thick cloth around cap and carefully remove the cap by
turning it a quarter turn to allow pressure to escape and then turn the cap all the way off.
* The engine must be cool before servicing the cooling system.
* Coolant is harmful;
• If it comes in contact with skin or eyes, flush with water.
• If swallowed accidentally, induce vomiting and call physician immediately.
• Keep it away from children.
Freezing point
–30°C (–22°F)
–40°C (–40°F)
–55°C (–67°F)
1 225 ml (2.6/2.2 US/lmp. pt)
1 225 ml (2.6/2.2 US/lmp. pt)
(˚C)
0
–10
–20
–30
–40
–50
–60
–70
20 40 60 80 100
Density (%)
(˚F) (˚C)
302 150
284 140
130
266
248 120
230 110
212 100
0 10 20 30 40
Density (%)
Fig.2 Engine coolant density-boiling
point curve.
(kgf/cm²)
1.5
0.9
0.5
0
50 60