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After 30 to 60 Minutes: You can add the coolant to your engine after 30 to 60 minutes of resting.You can add the coolant three different times. It’s time to learn when to add the coolant to the overheated/heated/neutral engine. So, you know why you shouldn’t put the coolant in a heated engine. That’s a serious concern for everyone who works with changing engine fluid & coolant. Once you touch them, the heated part might burn your fingers or touch your skin. In that case, all the parts will have a high temperature. Remember, connect the reservoir and the cap to access the coolant.

Once your engine gets too heated, you can’t touch it. A Serious BurnĪnother reason is the burning issue. That’s why you should never add coolant to a heated engine. Unfortunately, the coolant system won’t utilise the fluid & water efficiently. Let’s say you open the cap and add the antifreeze. You don’t even dare to open the cap to refill the coolant. Eventually, the cooling system will be in pressurised condition. The engine components will be heated when you drive your vehicle for a long time, or maybe a couple of hours. The first reason is the pressurised cooling system. Let’s see why you should only add coolant after cooling your engine.

Most importantly, the coolant will fail to do its job if you put it in that condition. Apart from that, if you add the antifreeze before normalising the engine, it might give you some adverse conditions. You should cool the engine before adding coolant for 2 reasons a pressurised cooling system & a severe burn from the heated cap. Why Should I Cool My Engine Before Adding Coolant? Benefits of Adding Coolant in Cold Engine.When Should I Add Coolant To The Engine?.Why Should I Cool My Engine Before Adding Coolant?.
