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Note
♦
The water used for the mixture has a significant influence on
the affectivity of the cooling agent. The quality of water to be
used is specified since the ingredients can vary from one land
or region to another. Distilled water fulfils all requirements. For
this reason, we recommend using distilled water when mixing
coolant for topping up or replacing coolant.
♦
Use only coolant additives in accordance with the ⇒ Electronic
parts catalogue (ETKA) . Other coolant additives could seri‐
ously impair in particular the anti-corrosion properties. The
resulting damage could lead to loss of coolant and conse‐
quently to serious engine damage.
♦
The correct coolant solution ratio helps prevent damage from
freezing and corrosion as well as scaling. These also raise the
boiling temperature. Therefore, the cooling system must be
filled all year round with coolant additive.
♦
Because of its higher boiling point, the coolant improves en‐
gine reliability under heavy loads, particularly in countries with
tropical climates.
♦
ONLY refractometer - T10007A- may be used for determining
current anti-freeze value.
♦
The normal frost protection must be to at least -25 °C, in coun‐
tries with Arctic conditions to -36 °C. When climatic conditions
require a stronger frost protection, only then may the frost pro‐
tection be increased. But only to -48 °C. Otherwise, the cooling
effect of the coolant will be impaired.
♦
The concentration of the coolant must not be reduced by add‐
ing water in summer or in countries with hot climates. Frost
protection must be guaranteed down to at least -25 ℃.
♦
Read anti-freeze figures from respective scale for type of anti-
freeze added.
♦
The temperature read off the refractometer - T10007A- equa‐
tes to the »ice flocculation point«. Ice flocculation can start
forming in the coolant below this temperature.
♦
Do not reuse the dirty coolant.
♦
Use only a water/anti-freeze mixture as a slip agent for coolant
hoses.
Recommended mixture ratio for coolant
Frost
protection to
Coolant additive
concentration
Coolant ad‐
ditive
1)
Distilled wa‐
ter
1)
-25 °C
-36 °C
40 %
50 %
3.2 l
4.0 l
4.8 l
4.0 l
1)
The quantity of coolant can vary depending on the vehicle
equipment.
• Coolant ⇒ Electronic parts catalogue (ETKA)
Work sequence
– Connect coolant hose with plug-in connector to radiator (bot‐
León 2013 ➤ , León ST 2013 ➤
4-cylinder petrol engine (1.2 l direct injection, 4 V, turbocharger, EA211) - Edition 02.2017
152
Rep. gr.19 - Cooling
