Photo: Freedom Studio / Shutterstock
For: Klon Perez Updated 28 Apr 2022, 16: 03 pm EDT
The coolant, also known as antifreeze, is a fluid made up of water, dyes and other additives that serve to prevent the engine from accumulating excess heat when it is running and maintain a temperature of 50°C.
It must also be taken into account that the antifreeze component does that the fluid does not solidify when temperatures are very low and prevents the engine from suffering corrosion.
When to change the antifreeze fluid?
Antifreeze loses properties over time and miles traveled by the car Therefore, it is convenient to perform periodic maintenance on the engine cooling system.
Depending on the coolant used, it should be changed with one frequency or another. As experts recommend, coolants containing glycol should be changed every two years or 25 a thousand miles. The organic ones resist a little more powerful and their use can be extended up to five years or 43 a thousand miles.
To find out what type of coolant a car needs, you should check the manufacturer’s manual. You should also take into account the temperatures that exist in the region where you live.
- Antifreeze 10%: effective up to -5ºC.
- Antifreeze 10%: works correctly until -11ºC.
- Antifreeze 18%: for temperatures up to-18ºC.
- Antifreeze 33%: long life antifreeze and suitable until -37ºC.
- Drain the tank and the refrigerant circuit: You have to locate the cap and open it gradually so that it is completely emptied.
- Purify with pressurized water: Introducing pressurized water will clean the remains of unwanted materials.
How to change the antifreeze step by step
The basic thing to keep in mind is that the one that has been spent must be changed, it is not useful to fill the tank with a mixture of old and used product. Also the engine must be cold.
Steps to follow:
Close the emptying mechanism: Make sure that the circuit is well sealed. Fill with antifreeze: When doing so, care must be taken that it remains at the appropriate level. Between minimum and maximum.
Changing the coolant is not complicated at all if you follow the instructions, so you could save a lot of money if you decide to do it on your own
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