What do different color coolants mean?

If antifreeze is green, that probably means it was made from an older formula that uses something called Inorganic Additive Technology. Green antifreeze is made with special tweaks to the formula specifically to help prevent the corrosion of metals in a vehicle's cooling system.
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Does it matter what color coolant I use?

The truth is, color is not a reliable predictor for what type of coolant you have.
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What happens if you use the wrong color antifreeze?

It's important to note that the type of coolant you should use can't accurately be identified by color. Using the wrong coolant can lead to corrosion and other damages to the radiator, water pump, radiator hoses, cylinder gasket, and more.
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What happens if you use green coolant instead of orange?

The green and orange coolants do not mix. When mixed together they form a gel-like substance that stops coolant flow, and consequently, the engine overheats.
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What color is universal coolant?

Traditional North American “green” antifreeze, the original “universal” formula that everybody used until the introduction of today's extended-life coolants.
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Why is coolant different colors and why you can't mix them! IAT, OAT, HOAT which can you mix?



What is pink antifreeze used for?

Our specially designed formula for Audi ® 1997-2007, Volkswagen ® 1997-2008, Porsche ® 1999-2009, and Jaguar ® 1999 and newer. This technology regulates your engine's temperature, prevents freezing and protects the engine from corrosion.
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What is blue antifreeze used for?

Antifreeze Blue is a full concentrate which meets BS6580 and contains the same pure ethylene glycol and anti-corrosive additives as the Red. Its application is for protection for up to a maximum of 2 years.
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What does pink coolant mean?

Phosphated HOAT (P-HOAT)

This coolant comes in pink or blue colour. Phosphated HOAT uses phosphates along with organic acids to prevent corrosion.
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Can you mix 2 different brands of coolant?

The short answer is that you can mix different coolant brands and mixtures as long as they are the same type of coolant. The color doesn't matter as much since it's just a dye.
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What happens if you mix coolants?

Mixing different engine coolants or using the wrong coolant can impair the performance of the special additive packages; this can result in increased corrosion to the radiator.
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Can you mix green coolant with red coolant?

In fact, if you were to mix green and red antifreeze together, it would end up creating a thick gel that would fail to flow through your cooling system properly. This can cause overheating, as well as damage to various components of your car's cooling system.
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Is my coolant pink or red?

The pink coolant is an OAT (organic acid technology) that typically has a longer service life. The red coolant on the other hand is an IAT (inorganic acid technology) that is considered to be more “conventional” but still longer lasting than some other coolants on the market.
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What is green antifreeze used for?

Green antifreeze is made with special tweaks to the formula specifically to help prevent the corrosion of metals in a vehicle's cooling system. That older formula is typically meant for vehicles made before the year 2000, which were built with more steel and copper components than modern vehicles.
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What is red coolant?

Red Antifreeze

They are meant for Japanese, European, and Asian vehicles. You can use this type of antifreeze for Nissan, Hyundai, Toyota, and Honda vehicles. Most red coolant is termed as 'Dexcool. ' It has a lengthy lifespan of about four years. Mixing red antifreeze and water usually turns the coolant color pink.
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Is blue coolant better than green?

Both coolants will work equally as well in your Nissan, so in terms of a performance benefit there really isn't a difference. We personally would probably use Nissan Green as it comes in concentrated form (makes it a bit cheaper) and feel that changing the coolant more regularly is better for preventative maintenance.
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Can I use blue coolant instead of pink?

no dont mix them, pink is longer life (5 years) blue is normal (2 years) for some reason mixing the two counters the effects of the pink meaning you will still only have 2 year life. best is just to do a full coolant drop as 5 liters of pink premix is only about 12quid.
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What is orange antifreeze?

One of the new types is "organic acid technology," or OAT. It's orange. General Motors pioneered this chemistry starting with 1996 models in the U.S. and using the name Dex-Cool. Ford changed a few models to OAT, then backed away from it.
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Is it okay to mix pink and green antifreeze?

Conclusion. Can you mix pink and green antifreeze? Absolutely yes. But don't mix up two different types of coolant as it may lead to some damaging effects.
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Are all red coolants the same?

Present in newer cars all over the world, OAT coolant color ranges from pink, orange, bright red, red, blue and dark green. Organic Additive Technology as it is referred to in some owner's manuals, is the same as Organic Acid Technology, unless your owner's manual says differently.
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What happens if you mix green and yellow coolant?

You can mix two different colors of the same kind of coolant without any problem whatsoever. But if you mix a significant amount of one type in with the other type, you're weakening your corrosion inhibitors (it happened to my brother, and look at the condition he's in now).
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Is it OK to use universal coolant?

Even so, universal coolants are formulated to mix with virtually any coolant. The makers of these product say their antifreeze can be safely used in any year, make or model of vehicle.
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Can you mix coolants?

Some people believe that they can mix the two. This is a mistake and can lead to expensive repairs. The two coolants should never be mixed together as they do not react well. When mixed together they can form a thick, jelly-like substance that can completely stop all coolant flow which can lead to overheating.
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Is red coolant better than green?

When compared with green antifreeze and other older versions of antifreeze compounds, red antifreeze is more stable and it improves the water pump life.
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