Cooling system
OPM 200 en-GB 60
© Scania CV AB 2020, Sweden
Cooling system
Coolant
The coolant should be changed when the cooling
system is cleaned: every 6,000 hours or at least
every 5 years. See Changing the coolant and
cleaning the cooling system.
The coolant recommended by Scania is a mix-
ture of water with antifreeze (ethylene glycol)
and corrosion protection. The coolant has several
characteristics which are important for the oper-
ation of the cooling system:
• Corrosion protection
• Antifreeze
• Increases the boiling point
The coolant should always contain 35-55 per
cent by volume of antifreeze and corrosion pro-
tection so that the coolant properties ensure that
the coolant works correctly.
Too high a dose of antifreeze and corrosion pro-
tection will increase the amount of sludge and
blockages accumulating in the radiator. Too low
a concentration can lead to corrosion of the cool-
ing system and ice formation at low tempera-
tures.
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