259
Service, maintenance
Coolant
The glycol-based coolant provides
excellent corrosion protection for the
heating and cooling systems as well as
anti-freeze protection down to –28 °C. It
remains in the cooling system throughout
the year and need not be changed.
Use of certain anti-freezes can lead to
engine damage. We therefore recommend
that you only use approved anti-freezes.
Anti-freeze and corrosion protection
Have the concentration of the radiator
contents tested by a workshop before
winter starts. The amount of anti-freeze
must provide protection down to approx.
–28 °C. A lower anti-freeze concentration
will reduce the amount of protection from
frost and corrosion. Add anti-freeze if
necessary.
If coolant loss is topped up with water,
have concentration checked and add
anti-freeze if necessary.
Coolant level
Hardly any losses occur since the cooling
system is sealed and it is thus rarely
necessary to top up the coolant.
The coolant should be a little above the
KALT/COLD
mark on the expansion tank
with a cold cooling system.
9
Warning
Anti-freeze is a danger to health; it must
therefore be kept in the original container
and out of the reach of children.
9
Warning
Allow engine to cool down before
removing coolant filler cap. Remove filler
cap carefully so that pressure can escape
slowly, otherwise there is a risk of
scalding.
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