2.0 Change interval, changing and testing coolant, disposal, cleaning the cooling system
Change interval, changing and testing coolant
Regular checks of the coolant composition as part of Inspection I and II. As the
anti-corrosion characteristics of the
coolant decrease with time, the
change interval of 4 years (3 years for M-Power vehicles) must be observed. The
antifreeze concentration in the coolant must be checked each year before the cold season begins. The composition
of the coolant must also be checked after the coolant level has been topped up.
An areometer or densimeter (antifreeze tester) is required for setting and checking the concentration.
It is permissible to mix various brands of the approved agents.
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