1700039 Venting and filling cooling system with vacuum filling unit: Preconditions

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Cooling system expansion tank must be empty.
There must be sufficiently premixed coolant in the filling unit container, 1 - 2 liters more than the vehicle filling capacity.
- Use only recommended coolant and observe mixture ratio. See COOLING SYSTEM - OPERATING FLUIDS .
- Observe FILLING CAPACITIES .
Position the filling unit container at the same height as the coolant expansion tank.
Compressed-air connection with 6 bar pressure present.
Set heating to maximum temperature.