How to refill the antifreeze: instructions and explanations

When operating a car, we will invariably encounter the need to refill or change the antifreeze. Many people do not know how to refill the antifreeze, as a result they carry out such service work on a hot and even running engine, which subsequently leads to critical malfunctions of the power unit. Let’s talk in detail about how to properly refill the antifreeze, which will ensure the correct operation of the engine cooling system. If your car is so wrecked that it has no place to put antifreeze, turn it in for recycling:

How to properly refill the antifreeze: an instruction with explanation

A little bit of theory

Antifreeze is a coolant that constantly circulates through a closed circuit. The cooling circuit includes numerous channels in the engine, as well as the radiator, where the antifreeze is directly cooled. As the car is used, the performance of such coolant deteriorates, as a result not only a thick calcium plaque and sediment appears, but also metal elements begin to rust. Therefore, it is necessary not only to top up the coolant regularly, but also to replace the antifreeze.

If the car owner neglects such coolant service, eventually it leads to engine overheating, which is fraught with critical engine failures. Whereas all such problems could be avoided by timely replacement of antifreeze, and constantly monitoring the level of coolant in the expansion tank. Remember that if the coolant begins to leave the system quickly, it is constantly required to refill the antifreeze, it may indicate serious problems with the engine. In such a case, a comprehensive repair and diagnosis of the car is necessary.

How to properly refill the antifreeze: instruction with explanation

Correctly refilling the antifreeze

The car owner must remember that you should always choose high-quality antifreeze, which is recommended by the manufacturer. Mixing different types of antifreeze, which differ in their performance characteristics is not recommended. Therefore, the choice of such a coolant must be approached as responsibly as possible.

Add antifreeze to the system can only be done when the engine is cold. If you do such work on a hot engine, the engine heated to high temperatures will get cold antifreeze, and because of the significant difference in temperature there are cracks in the metal, as a result, this engine can even be replaced. Therefore, if it is necessary to refill the antifreeze, you should always do such work on a cold engine.

How do I add antifreeze: when the engine is cold or when it’s hot?

Causes of the coolant level reduction
There can be many reasons why the coolant is leaking. These are damage to the connection of pipes, damage to the radiator, as well as loss of tightness of the engine cooling jacket. In the latter case, the antifreeze may get into the oil or combustion chamber, and as a result a car owner may face serious and expensive repair.

If a radiator pipe or radiator is damaged, it is possible to try to weld the damages, reducing the car repair expenses. Leave for later solution of existing problems with the engine is still not worth it, as soon as you notice that the engine begins to rapidly lose coolant should be as soon as possible to deliver the car to the service and to make its repairs.

What is the right way to fill up the antifreeze: cold or hot?

To recap

If it is required to pour antifreeze into the expansion tank, you must remember that such work is performed only on a cold engine. It is also mandatory to select the brand of antifreeze, which must be similar to the coolant poured into the engine and recommended by the automaker. Remember also that if the coolant level in your car engine starts to drop rapidly, it is necessary to carry out appropriate diagnostics and determine the cause of the existing problems.

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