Guidance: Engine coolant has the following features: Prevents rust in the cooling system components and prevents overheating (boiling point higher than water). We need to replace engine coolant regularly. The coolant of the engine is replaced depending on the mileage or time, because it is difficult to visually judge its degree of deterioration.

The coolant may have different concentrations and a water-added coolant may be used, but if it is not the proper concentration, it may be easily solidified. For each area, a suitable concentration of Toyota long-life coolant must be used.

When checking engine coolant level, wait for the engine to cool and check the liquid level in the coolant reservoir. If the liquid level is between the high and low lines on the tank, then the amount of fluid is sufficient. If the liquid level is low, add coolant. With the temperature of the engine, the liquid level in the coolant reservoir also changes.

If the liquid level drops in a short time after adding the coolant, the system may leak. Check radiators, hoses, engine coolant tank caps, radiator cocks, and pumps. If no leakage is found yet, pressurize the cooling system.

At the end of the training session, Car Beauty Wang reminded everyone of the following precautions when replacing engine coolant:

First of all, when replacing the coolant, it should be prevented from leaking to the parts and prevent the hot coolant from hurting people. Secondly, to ensure that the coolant is released, the radiator and the coolant in the cylinder must be released, and no air can remain in the cooling system. The level is added to the standard volume. Third, confirm that there is a leak after the process is completed.