Service and maintenance
Cooling system 123
Cooling system
The radiator is a side-mounted, cross-flow radiator with a
hydraulically driven cooling fan. A hydraulic pump installed on the
engine drives the fan's hydraulic motor.
The fan speed is automatically adapted to the engine's speed and
its cooling need.
If the engine temperature becomes too high, even with correct
coolant level, the radiator should be cleaned.
If the engine temperature still is too high, contact a workshop
authorised by Volvo CE for action to be taken.
Coolant
The cooling system is filled with Volvo Coolant VCS
. To avoid
damage to the engine, it is very important to continue using the
same coolant when topping up or changing as the system was
filled with.
IMPORTANT! To avoid damage to the engine, different kinds
of coolant must not be mixed with each other.
Cooling system capacity when changing: approx. 65 litres
Total capacity: approx. 80 litres
If concentrated coolant and clean water (see page 169) are used,
the table below shows the approximate amount of concentrated
coolant that is required to achieve freeze protection. The amount
of concentrated coolant must never be less than 40 % of the total
mixture.
If there is any doubt about the water quality, use ready-mixed
coolant.
VIKTIGT! If ready-mixed coolant is used, it is very important
to use the correct kind. The engine may be damaged if
different coolants are mixed.
Freeze protection down to Content of concentrated coolant
–25 °C (–13 °F) 40 %
–35 °C (–31 °F) 50 %
–46 °C (–51 °F) 60 %
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