Volkswagen Golf 2013, Сервисная инструкция

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Note
♦
The amount of water used in the coolant mixture has a great
influence on its effectiveness. Because the water quality dif‐
fers from country to country and even region to region, Volks‐
wagen has decided to define the quality of the water to be used
in the coolant system. Distilled water fulfils all requirements. It
is therefore recommended that the coolant be mixed with dis‐
tilled water whenever the coolant is replenished or replaced,
even for older models.
♦
Use only coolant additives which conform with the ⇒ Elec‐
tronic parts catalogue (ETKA) . Other coolant additives may
reduce corrosion protection substantially. The resulting dam‐
age could lead to loss of coolant and subsequent severe
damage to the engine.
♦
The correct coolant solution ratio helps prevent damage from
freezing and corrosion as well as scaling. Such additives also
raise the boiling point of the coolant. For this reason, the cool‐
ing system must be filled all-year-round with coolant additives.
♦
Because of its high boiling point, the coolant improves engine
reliability under heavy loads, particularly in countries with trop‐
ical climates.
♦
Frost protection is required down to about -25 ℃ (in countries
with arctic climate: down to about -36 °C).
♦
The coolant concentration must not be reduced by adding wa‐
ter even in warmer seasons and in warmer countries. The
coolant additive ratio must be at least 40 %.
♦
If a stronger anti-freeze mixture is necessary due to harsher
weather conditions, the coolant additive content can be in‐
creased. But only up to a maximum of 60 %. Otherwise, the
antifreeze protection will be reduced again and the cooling ef‐
fect will be impaired.
♦
ONLY refractometer -T10007 A- may be used for determining
current anti-freeze density.
♦
Read off anti-freeze figures for respective replenished coolant
additives.
♦
Do not reuse old coolant.
4.18.1 Checking frost protection, if necessary
replenish coolant additive
Special tools and workshop equipment required
♦ Refractometer -T10007 A-
Golf 2013 ➤
Maintenance - Edition 10.2012
50
4. Descriptions of work