Can I use blue antifreeze in my car?
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Mixing antifreeze in two different colors or types is never a good idea. There are no dangerous reactions or explosions caused by mixing two formulas, but mixing them could create a sludgy chemical mixture that won’t be able to pass through your cooling system properly.
Is all blue antifreeze the same?
Typically, Valvoline says, coolant comes in green. But there are other colors available: orange, blue, purple, even yellow and pink. However, they’re not different colors for appearance’s sake. Each manufacturer designs its engines around a specific coolant or antifreeze standard with different additives.

What color is Honda antifreeze?
What color coolant does Honda use? It’s forceful to understand that color doesn’t matter. While most Organic Acid Technology (OAT) coolants are consistently orange, yellow, red or purple, Hybrid Organic Acid Technology (HOAT) coolants are orange and yellow.
What kind of antifreeze do I use for my Honda?
You can use either blue or green antifreeze in your Honda without impacting the antifreeze’s performance; the color difference is simply a result of the different dyes used in making the product. If you have previously used green antifreeze, you can still use blue or use a mixture of both.

Can I mix Honda blue coolant with green?
Can I Mix Honda Blue Coolant With Green? Yes, you can mix the new blue with your old green, as he says. Honda does it all the time. My own personal car has a radiator and a block that I drain rather than fill with blue coolant.
Can you mix blue and green coolant Honda?
Yes, you can mix the new blue with your old green, as he says. Honda does it all the time. My own personal car has a radiator and a block that I drain rather than fill with blue coolant.
What cars use blue antifreeze?
(Blue) Antifreeze + Coolant. Premier formula for all Honda ® & Acura ®, Nissan ® 2009 and newer, Infiniti ® 2009 and newer, and Subaru ® 2009 and newer. Our upgraded and patented technology provides instant protection to all engines, new and old.