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| Only use antifreeze additive G 12 according to specification TL -VW 774 F-. Identification: purple colour. |
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| The purple G 12 (conforming to the TL -VW 774 F- standard) can be mixed with the additive G 12 which was being used before. |
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| If the fluid in expansion tank is brown, G 12 has been mixed with other anti-freeze additives. In this case the coolant must be changed. |
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| The G 12 and the anti freeze with the indication ”according to TL -VW 774- F” avoid damage due to corrosion, freezing or lime sedimentation. They also increase the boiling temperature of the liquid coolant. For this reason the system must be filled all year round with anti-freeze and corrosion protection additives. |
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| Because of its high boiling point, the coolant improves engine reliability under heavy workloads, particularly in countries with tropical climates. |
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| The anti-freeze protection should be guaranteed to approx. -25 °C (for countries with an artic climate approx -35 °C). |
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| Coolant concentration must not be reduced by adding water, even in warmer seasons or in warmer countries. The percentage of antifreeze should be about 40 %. |
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| If, for climatic reasons, a better antifreeze protection is required, the percentage of G 12 can be increased but only up to 60 % (antifreeze protection up to -40 °C). With a greater concentration engine cooling and anti-freeze properties are diminished. |
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| If radiator, heat exchanger, cylinder head or cylinder head gasket has been replaced, do not reuse old coolant. |
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