How long does green coolant last?

As we mentioned earlier, your engine will suffer if you run out of coolant. Thankfully, both green and orange antifreeze last a while. How long? Green for about 3-years or 36,000 miles, and orange for 5-years or 150,000 miles.
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How often should green coolant be changed?

Conventional “green” coolants are usually replaced every few years, while modern “long-life” and “super-long-life” coolants sometimes aren't even on the regularly scheduled maintenance list.
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How long does coolant last in a car?

Depending on the vehicle and the coolant, the average time between flushes is two years or 30,000 miles for silicated coolants and up to five years or 100,000 miles for an extended drain coolant. You can tell which type of coolant you have by the color.
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What does green coolant mean?

Why is Antifreeze Green? 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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What cars use green coolant?

VW, Audi, and Porsche are OAT users, too, but most others have resisted. Instead of OAT, most new cars now use a "hybrid" antifreeze that's formulated with both OAT and the silicate inhibitors from green (Japanese hybrids have different inhibitors).
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The Best Coolant in the World and Why



Are all green coolants 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.
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Is green coolant better?

The main difference between green and orange antifreeze is the ingredients. Green coolant uses inorganic additive technology while orange uses organic acid technology. Orange is better suited for newer cars with an aluminum block, while green is better for older cars.
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Can I use green coolant?

Both orange and green antifreeze serve as engine coolants, designed to keep it from freezing or overheating. They also defend the cooling system against corrosion.
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When should coolant be changed?

Though the frequency of changing the coolant varies with the car's brand, age and mileage, ideally it should be changed after the first 60,000 miles and then every 30,000 miles. Environmental regulators prefer cars to have longer intervals so as to reduce waste fluids.
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How often should you fill coolant?

You typically need to flush and fill your coolant every two years or 30,000 miles. If you're noticing higher-than-average readings on your vehicle's thermometer, you could be experiencing coolant loss through a leaky gasket or damaged hose. In that case, you should get to a mechanic so they can run diagnostics.
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How often should I top up coolant?

You need to check your engine coolant at least twice a year before summer and winter, ideally. Although, this advice may vary between car manufacturers. Coolant should be topped up whenever the level drops below the guide marks.
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How often do you need to do a coolant flush?

Flushing the coolant and replacing it with fresh fluid every two years or 30,000 miles is a good rule. While you perform this service, inspect the hoses and radiator cap for wear.
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What happens if you never change coolant?

The coolant can become more acidic over time and lose its rust-inhibiting properties, causing corrosion. Corrosion can damage the radiator, water pump, thermostat, radiator cap, hoses and other parts of the cooling system, as well as to the vehicle heater system. And that can cause a car engine to overheat.
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Do cars lose coolant over time?

As the engine gets old, the Coolant evaporates more and more. As a usual calculation, it is found that for every year an engine passes by, the coolant level drops to 0.25% in 4 months provided that the engine is functioning well and with no leakages or damages.
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Why do I have to keep topping up my coolant?

Disappearing engine coolant could be the result of a slightly cracked hose, a tiny hole in your radiator, or a water pump issue. It's also possible for a coolant leak to develop inside your vehicle or to simply vaporize into mist via your defroster.
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Is green coolant universal?

There are essentially three basic types of coolants: 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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What happens if you put green coolant instead of red?

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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Does the color of coolant matter?

The truth is, color is not a reliable predictor for what type of coolant you have.
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Why did my green coolant turned orange?

The color of healthy engine coolant is green (for ethylene glycol) or orange (for Dexcool). A rusty color indicates that the rust inhibitor in the coolant has broken down and it can no longer control rust and scale buildup.
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Can you mix green coolant with orange coolant?

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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Can I mix green and yellow antifreeze?

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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Can I mix green coolant with green 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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Does coolant expire?

A sealed bottle of antifreeze has an indefinite shelf life. Once opened, it will keep for years if stored in the original container. Antifreeze – coolant that has not been mixed with water – tends to last even longer than pre-mixed engine coolant, though both last for years.
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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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