Maintenance
127
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Open the central coolant drain plug (1) and drain the coolant
completely.
Purge the cooling system if the coolant is very dirty. To do this,
spray water without additives into the cooling system with a hose
through the filler opening until clear water emerges at the outlet.
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Close the central drain.
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Remove the coolant expansion reservoir (1) and drain it, clean-
ing it if necessary. Refit the reservoir.
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Fill the premixed coolant into the radiator and expansion reser-
voir.
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Start the engine (page 68) and let it run at idle speed to warm
up.
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Stop the engine (page 70).
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Check the coolant level (page 62), adding coolant if necessary (page 124).
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Close the engine compartment and side cover.
Replacing the engine oil and oil filter
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Open the engine compartment cover (page 107).
Fill the coolant in a container and dispose of it in ac-
cordance with the prevailing environmental protection
regulations.
Do not operate the cooling system with pure water
(even in summer). The antifreeze also contains a cor-
rosion inhibitor.
The engine oil change must be carried out while the engine is warm.
Caution: The engine oil and the oil filter are very hot
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risk of scalding.
Place an oil pan with a capacity of about 15 L under the engine oil drain. The engine oil should not
be allowed to seep into the soil and it must be discarded like the oil filter in accordance with the ap-
plicable environment protection regulations.
STOP
