Cooling system
OPM 360 en-GB 37
© Scania CV AB 2017, Sweden
Antifreeze and corrosion protection con-
centration table, US gallons
35% by volume of Scania antifreeze provides
sufficient protection against corrosion.
Example:
• The total volume of the cooling system is
10.6 US gallons.
• The measured concentration of ethylene gly-
col is 35% by volume (freezing point -6 °F).
According to the table there are
3.7 US gallons of ethylene glycol in the cool-
ing system.
• The required concentration of ethylene glycol
is 45% by volume (freezing point -22 °F). Ac-
cording to the table, 4.8 US gallons of ethyl-
ene glycol are required in the cooling system.
• Since the cooling system already contains
3.7 US gallons, fill another 1.1 US gallons of
ethylene glycol in the cooling system (4.8 -
3.7 = 1.1 US gallons).
Adequate protection against corrosion
Volume of ethylene glycol (%) 35 40 45 50 60 Cooling system volume
Ice slush forms (°F) -6 -11 -22 -36 -58 (US gallons)
Volume of ethylene glycol (US gal-
lons)
2.9 3.2 3.7 4 4.8 7.9
3.74.24.85.36.3 10.6
4.85.36.16.67.9 13.2
5.56.37.17.99.5 15.9
6.6 7.4 8.5 9.2 11.1 18.5
7.4 8.5 9.5 10.6 12.7 21.1
8.5 9.5 10.8 11.9 14.3 23.8
9.2 10.6 11.9 13.2 15.9 26.4
10.3 11.6 13.2 14.5 17.4 29.1
11.1 12.7 14.3 15.9 19 31.7
12.2 13.7 15.6 17.2 20.6 34.3
12.9 14.8 16.6 18.5 22.2 37
14 15.9 18 19.8 23.8 39.6
14.8 16.9 19 21.1 25.4 42.3
15.9 18 20.3 22.5 26.9 44.9
16.6 19 21.4 23.8 28.5 47.6
17.7 20.1 22.7 25.1 30.1 50.2
18.5 21.1 23.8 26.4 31.7 52.8
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