Signs of running out of car coolant, causes and solutions

Car coolant helps cool the car engine and prevents overheating. In addition, coolant also has anti-corrosion effects, prevents blockage of cooling pipes in cars due to precipitation of minerals and prevents foam and bubbles from forming, ensuring the operation of the cooling system. out stable.

However, if the coolant is not enough or the car runs out of coolant, it will cause the parts to heat up, the car will operate abnormally or not be able to operate, and worse, it can cause damage to the parts. engine detail assembly. So is there any way to know? What is the fix? CarOn will answer you right below this article!

What is car coolant?

What is car coolant?

Car coolant is a solution that cools the car engine, helping the car’s “heart” work best. This is an important fluid that drivers must regularly check. If the coolant tank is empty. The car engine will heat up, leading to the risk of fire and explosion

The role of car coolant

It is a bridge that transfers heat from the engine body to the cooler to help keep the engine temperature from exceeding the allowable limit. It helps the car engine operate correctly by removing excess heat, reducing the condition of the car. hot or cold and turns off suddenly.

Cooling water tank

– Has the effect of cooling the car engine, preventing overheating. In addition, coolant also has anti-corrosion effects, prevents blockage of cooling pipes in cars due to precipitation of minerals and prevents foam and bubbles from forming, ensuring the operation of the cooling system. out stable.

In particular, when preparing to enter the hot season, drivers need to pay more attention to the following signs to ensure the best engine operation and more peace of mind when traveling.

The reason water runs out is loss

There are many causes leading to this problem. However, there are two main causes leading to this problem

Car coolant leaked out

Coolant is leaking

There is a leak in the pipes or connections in the cooling system. Leading to loss of cooling water. Most likely the leaks are very small and difficult to see. Therefore, the loss of coolant is gradual, making it difficult to detect early.

Coolant leaked into the combustion chamber

Cylinder gasket is a detail to seal the machine’s face and body. If this gasket is damaged, this can also cause the engine’s coolant to flow into the oil line or enter the combustion chamber.

The engine’s cylinder is cracked and this will cause coolant to leak into the combustion chamber. If the loss of coolant comes from damage to parts related to the vehicle engine. The engine will vibrate or the engine will start unstable.

In these cases, it is necessary to add car coolant. If not handled promptly, it may cause the vehicle to become inoperable.

Consequences of running out of coolant

If the loss of coolant comes from damage to parts related to the vehicle engine. The engine will vibrate or the engine will start unstable.

In these cases, it is necessary to add car coolant. If not handled promptly, it may cause the vehicle to become inoperable.

Consequences of running out of coolant

If the loss of coolant comes from damage to parts related to the vehicle engine. The engine will vibrate or the engine will start unstable.

In these cases, it is necessary to add car coolant. If not handled promptly, it may cause the vehicle to become inoperable.

How to fix loss or run out of coolant

Case 1: If the vehicle can be stopped safely

Step 1: Stop the car

Stop the vehicle safely if possible

As soon as you detect the engine temperature indicator pointing to the H line (short for Hot: hot), or see steam rising from the bonnet or the engine temperature indicator gradually increases at the same time the air conditioning system If the vehicle is running poorly or not cooling at all, immediately try to pull over to the side of the road to stop safely, and turn off the engine to let the engine cool.

Step 2: Open the Capo

Open the car’s bonnet to create space for engine heat to escape faster. Be careful and cover your hands before opening the hood to ensure safety.

Step 3: Do not open the radiator cap

It should be noted that you should not open the radiator cap right away because at this time the coolant temperature is high, causing the water pressure in the tank to be very high. If you open the lid, it can cause water to erupt and cause thermal burns.

Step 4: Check the coolant level

Check the coolant level

After waiting for the engine and cooling system to cool down, open the radiator cap to check. Most cars have a water tank that leads to the water tank, so you can visually see whether the water level is full or not.

Fill up the coolant solution, if in an emergency there is no specialized coolant solution, you can replace it with clean water.

Wait for the cooling system to cool completely then open the radiator cap to add specialized coolant solution or clean water directly to the radiator.

Step 5: Look for leaks

Check and observe the pipes in the engine compartment. Look under the car for signs of water leakage. If the vehicle simply lacks coolant and refills it, you can continue, but if the vehicle runs out of coolant without determining the cause, it is best to contact and take the vehicle to the nearest Service Center. Subaru for advice and technical support.

Case 2: Forced to continue driving

Step 1: Turn off the air conditioner

Turn off the air conditioner

Turning on the air conditioner will increase the load on the Engine, leading to it overheating quickly.

Step 2: Switch to hot mode

Turn the heating mode on all the way, turn on the loudest fan. If it’s hot, turn the ventilation door toward the window and lower the window to let the hot air escape. Because the heating system uses the engine’s heat to warm the air in the car, so the more heat it escapes, the faster it cools.

Step 3: Don’t move much

When the engine is hot, do not move as long as the vehicle normally does. Instead, the frequency of stopping will be more.

Step 4: Turn off the engine, but do not turn off the power

Turn off the engine but do not turn off the electrical system completely, allowing the heater to continue working, which will release hot air from the engine more quickly.

Step 5: Go at medium speed Right

Don’t go fast or stop fast, but go slowly at a moderate speed. Acceleration increases the load, causing the engine to heat up faster.

Coolant change time

Coolant change time

Normally, after traveling a distance of 40,000 – 50,000jm (corresponding to 2-3 years), you should clean the cooling tank and replace with new coolant. However, in each case, such as vehicles moving with high frequency, in harsh weather conditions such as hot summers or always carrying large loads, the cooling water tank can quickly dry up or leak. Therefore, one of the best ways to care for and maintain your car is to regularly check the engine coolant tank.

In addition, it is possible that the buttons are corroded due to age. Or the cover of the car’s coolant tank is broken, causing water to evaporate when it heats up

If not checked and problem not detected. After a while, the amount of cooling water is lost significantly. Because they disappear slowly without signs of water flowing under the car.

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