adding oil AUDI A4 1999 B5 / 1.G AWM Engine Cooling System Components Workshop Manual

19-8

Because of its high boiling point, the coolant
improves engine reliability under heavy loads,
particularly in countries with tropical climates.
Protection against frost must be assured to
about -25 C (in arctic climatic countries to
about -35 C).

The coolant concentration must not be reduced
by adding water, even in warmer seasons and
in warmer countries. The anti-freeze ratio must
be at least 40 %.
If greater frost protection is required in very cold
climates, the amount of G 012 A8 D can be
increased, but only up to 60% (this gives frost
protection to about -40 C). Otherwise, frost
protection is reduced again and cooling
effectiveness is also reduced.

Only use clean drinking water for mixing the
coolant.
If radiator, heat exchanger, cylinder head or
cylinder head gasket is replaced, do not reuse
old coolant.
Use special tool T10007 to check frost
protection of coolant additive G012 A8 D in
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