It is not recommended to use the previously used mixture of antifreeze and anti-corrosion agent G11, which is green. Do not mix anti-corrosion agent G11 and G12 A8D (Red), as this can cause severe engine damage.
Instruction. If the cooling system was filled with coolant that is not recommended by the manufacturer, drain it from the cooling system. Fill the cooling system with clean water and run the engine at idle speed for 2 minutes. Drain the water from the cooling system and blow out the engine cooling system with compressed air through the expansion tank. Fill with fresh coolant recommended by the manufacturer.
Attention. When adding liquid to the cooling circuit - including in the warm season - use only a mixture of VW antifreeze and anti-corrosion agent "G12" (Red color) and clean water with a low lime content. Even in summer, the proportion of antifreeze in the composition of the coolant should not be lower than 40%. Therefore, when topping up, add antifreeze.
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