Is It Normal for Coolant Level to Drop? | Leaking

Coolant level drops could produce a problematic situation for your car’s locomotive. The car engine could overheat easily without a suitable amount of antifreeze. You should check engine coolant regularly since it assumes such a significant part in how well your engine runs. That is particularly true for more seasoned vehicles, which may not work as proficiently as newer models. We will try to clear your assumption, is it normal for coolant level to drop?

Coolant level drops

What are Antifreeze and Coolant?

Coolant and antifreeze are engine liquids which keep your motor running at a practical operating temperature, regardless of whether that is holding it back from freezing or overheating. Antifreeze is concentrated and is ordinarily comprised of ethylene glycol and silica, which joined with a predetermined blend of standard H2O, makes a good quality coolant and keeps your car’s engine warm and cool for most temperatures throughout the world.

For those places with severe cold, for example, at the Earth’s posts, they use propylene glycol, which will freeze if the temperature drops to – 74.2 degrees Fahrenheit.

Is it normal for coolant level to drop?

Coolant Leak indications

One of the most evident coolant loss indications is discernible fluid on the garage’s floor. However, keep this in mind; it’s not the only kind of fluid that gets leaked from your car’s locomotive. Coolant is generally bright green, pink, or orange in color and contains a sweet smell. If you apprehend a radiator cap leak, clean it up promptly, as it is incredibly harmful to both animals and people. You will also notice white exhaust smoke during driving your car  if coolant mixes with fuel.

Causes of Coolant Leakage

The common causes of low coolant levels are as follows:

Hole in the Radiator

All of your car engine parts need to bear a ton of wear and excessive temperatures, and it causes significant damage in various ways. Corrosion inside the radiator is one of the main reasons that coolant spills. As the tubes get weaker and older, you might get silt or trash inside that causes a break. The fixing gasket between the tank and the radiator can likewise wear out, prompting a drip.

The Blown Head Gasket

Your vehicle’s head gasket plays a colossal part in how well your engine performs. At the point when a head gasket blows, you may not know it for a long while. You could travel for several miles before you start to see an issue. The head gasket needs to deal with a broad scope of temperatures and experience incredibly high and deficient strain in the engine. It sits between the chamber head and the locomotive block, and when it fosters a leak, it is alluded to as “blown.”

Leaky Radiator Cap

The radiator cap might be small, yet it has a difficult job. The radiator is amazingly compressed, and the cap is answerable for making a tight seal that keeps the cooling situation at the correct pressure. Nonetheless, with time, its seal can fall apart, or the spring may begin to wear out, which can permit coolant to get escape.

The Faulty Water Pump

The water pump plays a significant part in guaranteeing that coolant flows through the cooling framework. It is generally driven by a belt and is situated on the lower part of the motor, close to the drive belts. It connects with the radiator’s lower hose; however, sometimes that hose association can turn out to be free, or it may erode. It might likewise experience some outer break that makes it get a leak.

Problem with an Expansion Tank

To assist with providing coolant to your radiator, vehicles have a development tank, which is that plastic compartment next beside the engine. It is typically associated with the radiator by a rubber hose and receives or feeds coolant as the engine cools down or warms up.

With the passage of time and exposure to temperature changes, that plastic can debilitate, so can the parts attached to it. The compartment may break, or the cap can leak, which allows coolant to getaway. Or, it might be that the hose racing to the radiator falls apart, which prompts a free association that lets fluid loss.

Everything You’ll Need to Fix

If your vehicle keeps on losing coolant, and you don’t block up the coolant reservoir, the car will overheat.  Here in this section, you will learn about some of the essential things you’ll need to repair a coolant leak. The tool list includes a selection of wrenches, screwdriver, receptacle, and metal shears. However, the parts list includes hose clamps, coolant/antifreeze, new radiator, radiator hoses, painter’s tape, new thermostat, and more. For your faulty thermostat, in diagnostic scanner you can notice p0128 code, and for solving the issue, replace thermostat valve.

There are many reasons behind losing coolant slowly. Putting together your tools and stuff so everything is effectively reachable will save valuable minutes waiting for your four-legged helper or handy-dandy child to bring you the blowtorch or sandpaper. Some of the favorite tips, hacks, and tricks for repairing a coolant/antifreeze leak are as follows.

Preventive tips to reduce coolant leaks

  1. Keep proper check of your car’s radiator fluid level. It will help you in keeping a proper check about what is wrong in your vehicle and permit you to take timely decisions to solve any problem.
  2. If your radiator clears its liquids and the encompassing air is less than 30 degrees Fahrenheit, you can drive for a short distance without harming the engine. This is for most pessimistic scenario situations, nothing else. It is usually suggested to get a tow, nonetheless.

Similarly, you’ll require a flat workstation, such as a carport floor, carport, or road stop that’s also very much ventilated. Check your neighborhood laws to ensure you’re not violating any codes when utilizing the street since we aren’t getting your ride out of the clink.

Some popular techniques for solving the engine coolant level drop issue include egg fix, restoring a radiator hose, or replacing a radiator.  It is important to check everything in detail and take the most suitable action in time to avoid any major problem.

The fixing ways of the cooling system are a lot simpler and easier, and one can easily perform it on their own, but in case it is hard for you to manage things by yourself, then seek professional help so that you can handle things well. Never drive the vehicle with very low coolant level, refill at the required level to avoid any type of engine problem.


1. Can Coolant evaporate?

Yes, it evaporates. It usually occurs because of the severe engine temperature as high engine temperate cause the water element to evaporate, resulting in a coolant level drop

2. How long does coolant last in a car?

The average time for silicate coolants is usually between two years or 30,000 miles, whereas it is up to five years or 100,000 miles in case of an extended drain coolant.

3. Can I drive my car with a coolant level drop?

Yes, you can, but try not to make it a habit. A small drip is controllable, but it can become a severe problem if not managed properly. It is essential solving this issue before you face any major problem in your vehicle.

4. Is small coolant leak okay?

It is a healthy approach to keep account of mishaps and manage things on time so that you cannot face any trouble later on. A small antifreeze loss cannot cause a major problem, but if the issue keeps on growing, It can cause a fire.

coolant leaks

5. What happens if you overfill coolant?

Overfilling coolant might cause electrical damage in some cases, so it is important to take proper action once you notice the problem.


A coolant level drop can be caused by various things, going from ineffectively fixed hose clasps, worn hoses, or a box of rogue interstate nails that transformed your radiator into Swiss cheese. These can rapidly change your grocery run into a popped hood, steam burping, tow-truck necessitating day.

Is it normal for coolant level to drop? So, the answer is no. You can save yourself some time and money if you grasp the issue early and mend it yourself. When you discover that the leak is coolant, you can begin pinpointing where it came from. Coolant can start dripping for various reasons. This article contains five of the most widely recognized coolant leak causes. Have a look at the content above.


Mr. Rubel is an Engine Mechanic. He has more than 15 years’ experience on repair and maintenance of different kinds of vehicles. He is also providing training to mechanics and works as a Senior Mechanic of a well-known organization. He is sharing his knowledge to support the car lovers to solve the vehicle issues.

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