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Engine cooling system (5)
Checking / topping up coolant
The cooling water level must be checked
when the system is cold. Make sure that
the anti-freeze and anti-corrosive liquid
is sufficient (-25°C).
When hot, the system is under pressure.
f
When it is opened, there is danger of
scalding!
- If necessary fill in a sufficient amount
of coolant through the open port (A) of
the compensating tank.
Change coolant
When hot, the system is under pressure.
f
When it is opened, there is danger of
scalding!
Use only approved coolants!
m
Observe the instructions in the chapter
A
entitled "Operating substances"!
- Remove the drain screw (B) on the ra-
diator and let the coolant drain com-
pletely.
- Reinstall the drain screw (B) and tight-
en properly.
- Fill in coolant through the filling open-
ing (A) on the compensation tank up to
approx. 7 cm (C) from the top edge of
the compensation tank.
The air is only able to escape completely
m
from the cooling system once the engine
has reached its operating temperature
(at least 90°C).
Check the fluid level again, top up if necessary.
F 51 14
C
B
A
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