09/22/2005 07:50 AMAudi A4 > 2001, S4 2000 > - 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine Code(s): APB
19-21
G 12 and coolant additives complying with
specification "VW 774 D" prevent frost
and corrosion damage, scaling and also
raise the boiling point of the coolant. For
this reason the system must be filled all
year round with the correct additive for
frost and corrosion protection.
Particularly in countries with tropical
climates, the higher boiling point of the
coolant improves engine reliability when
working under heavy load.
The system must be protected against
frost to about -25 C (in arctic climates to
about -35 C).
Use special tool T40007 to test coolant
concentration and antifreeze protection.
