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So they can be mixed, only in doing so you must treat the cooling system as if it has the regular green coolant in it. Dexcool alone will turn acidic if the cooling system gets air trapped in it. So to avoid that problem, return the Dexcool and keep using the regular green antifreeze.


Q: What happens if you mix red and green coolant in the radiator? By the way, it's a 1998 Iswara. Realize that green antifreeze is the old style antifreeze. That was an old type of antifreeze where the glycol lasts maybe...


Red antifreeze contains organic acids that protect engine parts from corrosion. Silicate (green) type antifreeze does not mix with red type antifreeze. Never mix the two colors in a cooling system. The organic acids in red type will cause precipitation of silicates in the green type and corrosion protection is greatly reduced.


I noticed my pink (red?) coolant was low. I added some standard 50/50 prediluted mix of antifreeze (green---***that also stated it can be mixed to any antifreeze coolants) to it, then looked to the side of the filler under the hood and read that you MUST ONLY USE authorized VW red coolant G12 (or something) or else I will have engine problems and cause serious damage.


Can you mix red and green antifreeze? No. ... What you will expect to see from mixing the 2 is a sludge build up on top of your water in the radiator. This is usually black, or dark gray ...


Can I mix antifreeze colors? Can I mix antifreeze colors? Dear Car Talk | Aug 01, 2000. ... And he said that under no circumstances should you ever mix pink and green. Unless you live in Florida. RAY: From an automotive point of view, however, it's a more complicated question. The color in antifreeze is like food coloring. It's added by the ...


Can You Mix Orange Antifreeze With Green Antifreeze? Orange antifreeze should not be mixed with green antifreeze because they are not compatible. If mixed together, these two types of antifreeze form a cloudy substance and precipitation that can decrease the coolant's useful life properties.


There has been a very lively discussion going on about "Red" or Dexcool® antifreeze and regular "Green" antifreeze. It's important to clear up some myths and misconceptions about both. This is quite a challenge because every company's anti-freezes have different combinations of additives and inhibitors.