Topped off to Full mark. Yes, due to the extreme engine temperature, the water element within the Coolant tends to evaporate, resulting in a coolant level drop. Read Also: Car overheats when AC is on and idle [ Symptoms and Solutions]. A minute amount of Coolant might evaporate as it’s not a closed system entirely due to the availability of an overflow reservoir. If damaged, the Coolant tends to escape, and pressure reduces within the reservoir, causing a warning light in the dashboard. Check the coolant level at each fuel stop. I worked for a long time at Global Rebound Automotive companies (Toyota, TATA, BMW, Nissan, TVs, and Others ) as a Mechanic and Mechanics Supervisor. Thus, the first thing you need to do is familiarize yourself with how the coolant looks. Different reasons exist for a coolant leak depending on car engine condition, external conditions, driver carelessness, or faulty engine component. Let us try to dig into the reasons for causing coolant loss. However, as the engine generates the required energy, a lot of heat is generated. A poorly maintained antifreeze system … When adding Prestone, it is important to ensure the engine has cooled before unscrewing the cap of the expansion tank as the coolant operates at around 90°C. In any car with a combustion engine, a lot of heat is generated, causing a significant increase in the engine’s temperature. If you determined that your coolant’s level is within the specified range, that’s it! The external air is moving directly into the hood from the front grill or specialized Air Intake Systems that are pointed in such a way that it can absorb the maximum air and throw it off the engine to cool it down. Therefore, if you would like to check for any problems with the radiator’s cap, you must ensure that the engine cooled down for a good period. These connections don’t only let the coolant leak out of the cooling system but also allow air to get into the cooling system. Your cooling system has a lifespan, and it is very likely to deal with wear and tear in any of the connections or gaskets. Is it normal for the coolant level to drop? Coolant flows from the engine block to the radiator through thermostat housing. It may sound ghostly if you think of coolant loss, no visible leak. The hoses can crack or burst, causing Coolant to spill out of the system. The Coolant plays a vital role in overall keeping the temperature of an engine and pressure at an optimal level. Then when the engine cools, some coolant in the reservoir goes back into the engine. If that still drops then you have leak either on the EGR cooler or a gasket somewhere If the car has recently overheated then this could have caused the head gasket to fail. You want to make sure that the coolant is between the two marks mentioned before. There doesn't seem to be a leak. Again, this is normal! Many people might not see the coolant before; therefore, they might not detect coolant’s leak from their vehicle. If your cooling system has many air bubbles, the overall cooling process can be affected, which could damage your engine. Sure enough they found a leak in the return hose. If it's lower than that, add enough to raise the level … 2. As a result, you will notice a significant drop in your vehicle’s coolant’s level. 2 3 Next Reply Author. The outside of your coolant tank should have marking indicating the recommended level of coolant for proper function of your car. Due to low Coolant, either the head gasket gets damaged, or due to worn-out head gasket, the coolant level drops at an alarming rate. Original Poster. Then, is it normal for coolant level to drop? As you try to top off the coolant’s level with the water, you are disturbing this ratio, affecting the performance of your cooling system. Have you ever experienced a severe engine overheat? But, things are not as complicated as they appear to be. Over time of use, the head gasket can get damaged as it is exposed to continuous extreme temperatures from the engine’s block or the cylinder itself. The coolant evaporation rate is quite low when the radiator cap is rusty, or the rubber is worn out. One of your vehicle's major components is the transmission, which... Rxmechanic.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for website owners to earn advertising fees by advertising and linking to Amazon.com. It is normal for ANY CAR to lose a slight amount of coolant over an oil change interval time period. Otherwise, you are putting yourself at a high risk of getting burned from the hot coolant. My car has 200131 miles. Is it normal for some coolant to evaporate after … We Buy Old Cars Near Me! The pressure will increase, resulting in a chain of reactions from cracking the engine head, Coolant steaming off, gasket blowing up, and ultimately seizing the engine if precautions are not taken. Therefore, if your vehicle complained about a high engine’s temperature, you must stop driving your vehicle immediately, allow the engine to cool down, and check your coolant’s level. (I check the level when motor was dead cold). The corrosion results in rust, which ultimately punches holes within the radiator surface, causing a leakage. Don't know the last time I just. You’ve probably seen these movies where a guy gets a bottle of water and pour it on top of the radiator to bring its temperature down. Aluminum Radiator is a lightweight but practical component in managing the hot and cold coolant temperatures and maintaining the overall pressure across the engine compartment. Reading your coolant level. In this article, we walk you through step-by-step guidance on measuring your vehicle’s coolant level. Those people tried to measure the coolant level before their engine cooled down. My Corolla probably loses about a quarter to half cup from the overflow tank level, and the Forester is probably 1 cup. Such a decrease in coolant level is evident in the form of leaks or … Also, due to the availability of an overflow reservoir, which makes one end of the Coolant open, tends to spill out extra Coolant or jumping Coolant out of the system. Read Also: 6 Best Automotive Smoke Machine [ EVAP Smoke Machine Reviews]. Well, that’s a great question! An old engine is another reason for excessive coolant burn. Basically, it's normal to have dried coolant around the weep hole of the water pump. Let us cover some Common FAQ’s found all over the blogs related to Coolant. That’s why you need to maintain regular checks on the coolant level to prevent engine overheating that can quickly damage your engine. That’s when your coolant will leak from these locations as they continuously build breaks and cracks. The process of checking the coolant level is very simple, and anyone without any mechanical experience can do it on his own. The radiator’s cap is one of the locations that can be very hot as it continuously deals with hot coolant. It is also dissipated through the heat exchanger in the passenger compartment when you crank your heat in the winter. In that case, you must consult a professional mechanic to inspect and repair your cooling system immediately. (Don't take the radiator cap off unless the engine is cold.) However, if you noticed that the coolant’s level is below the required, proceed to the next steps. Checking your coolant/antifreeze level is a simple process and should only take a couple of minutes every couple of weeks. While there is no actual check coolant light on your dashboard, a low coolant level might trigger other warning lights to illuminate. As the engine gets old, the Coolant evaporates more and more. One of the most common causes for your coolant’s level to drop is a leak around the cooling system. Get ready to spend some hard-earned bucks, if you keep on running the car with below-allowed minimum coolant level. Otherwise, you are scarifying your engine. I don't recall how long ago, but likely more than a year ago, I noticed the coolant level was down a bit and topped it off. Coolant, which is commonly called antifreeze, is a mixture of ethylene or propylene glycol and water, usually in a 50/50 ratio. Yes, due to the extreme engine temperature, the water element within the Coolant tends to evaporate, resulting in coolant … As you are checking the coolant’s level, you recommend that you look for any signs of leaks or rusted connections. As a rule of thumb, if you smelled anything strange coming from your vehicle, whether it's good or bad, it is never a good sign. Car would not overheat though, I just had to keep refilling it. Your cooling system needs to run on a clean and clear coolant. 106 months. 1. While engine overheating occurs for many different reasons, a low coolant level is one of the primary and most common causes. If the coolant system for the 04 WRX is the same as it is for the 06 Outbacks, a cup or two of coolant loss over 28k miles is normal. The most severe damage to a car engine is due to the head gasket blown up. You're fine. I think i have topped off with distilled water maybe 3-4 times. After the flush, i have noticed the coolant level will drop a little now and then, which i know is normal until all the air is purged out of the system. If you noticed that the coolant is below the minimum mark, add a premixed coolant liquid to top off the missing amount. I filled the coolant and stopped twice to see if the level was still good and it was. Coolant levels are meant to be healthy; however, there are several reasons for the coolant level going down. Using the wrong type of Coolant or driving a car with a low coolant level in the reservoir, the engine is bound to overheat. Strictly speaking, there wouldn't be a problem if the level in the recovery tank is below the MIN mark IF the radiator is full. Possible signs of head gasket failure include: Leaks are not always a reason for coolant loss. Now that the system has stabilized, you won't see level in reservoir drop very much. Your vehicle’s internal computer uses the dashboard lights to complain about internal problems with your vehicle. Therefore, if you smell something sweet from your car, you need to get it repaired as soon as possible. So if you get the low coolant warning I would suggest you bring the car in; I do not think it is normal for the coolant level to drop significantly during normal operation. That’s why it is important to detect the problem early and solve it simply by topping off your coolant’s level. Thus, no need to go to a repair shop or a professional mechanic every time you want to check the coolant level. Therefore, you must have your vehicle inspected and repaired by a professional mechanic. The truth is that whether you have a leak or not, coolant evaporation takes place. The Water Pump, thermostat housing, and radiator fan are top of the list responsible the cooling off the engine. Never to open the coolant’s container’s cap before your engine is cooled down. Just out of curiosity, what would you all consider "normal loss" for coolant in about a year's time with, say, 15k miles. (Pentofrost A3, the blue stuff, 50/50 premixed). This evaporation of Coolant is expected due to extreme temperatures, which turns the water element within the Coolant into steam. This isn’t truly a closed system. The radiator takes much beating due to high temperatures around. If your car’s coolant levels are near or below min, it may be wise for you to add more coolant. How to Flush a Clogged Radiator the Quick & Best Way. Well what that tells me is, in a system that only holds 5 quarts of coolant, over time our levels will likely drop because of that. Before that, let us look into the possible causes of coolant loss. Over time of use, it is very likely to get to a situation where you are running on a low coolant level because nothing lasts forever in your vehicle. For example, if the high-temperature checks light illuminates, it is most likely severe leaks in the cooling system. The Radiator Fan directly faces the radiator, and it might halt due to electrical motor failure resulting in radiator temperature going up, which might burst open the cap or cause radiator leakage resulting in coolant loss. The drop rate in the level of coolant depends on the extent of the damage. For countries with cold temperatures, Coolants are available with anti-freezing properties that avoid the Coolant itself getting freeze due to -0 C temperatures. So its been probably 4-5 weeks since doing the flush. The coolant is usually an orange or green fluid with flow characteristics like water. My coolant level is high when the engine is hot and the coolant level is low when it is cold i have a honda civic 2004 i - Answered by a verified Auto Mechanic We use cookies to give you the best possible experience on our website. How to Remove an Abandoned Vehicle from Private Property? In the end, it is up to the user to either spend a small amount on buying a suitable coolant and keeping an eye on the level on a scheduled basis with a lousy quality coolant and carelessly avoiding checking the level which would result in spending big amount of money of money to get the engine repaired. Your vehicle is a system comprised of various parts that all work in tandem. That means that there may be a chance of … The car is now at 28k miles, and the coolant level has dropped a little below the MAX line. Unfortunately, it is very likely for your coolant’s level to drop due to multiple issues, including: Coolant leak . Door Lock Cylinder Replacement Cost – You Can Expect To Pay $250 For This Quick Fix. Other than the Coolant itself, the engine has other components that are responsible for maintaining the engine temperatures. Another less common coolant leak might occur as your radiator’s cap gets damaged. If in some cases, the Coolant stuck in a closed position with the housing, this is results in a choke-up and coolant leakage on the ground under the vehicle. The big radiator hose was not really warm and the gauge was still a little over 75. Coolant leak causes engine overheating resulting in engine failure and ultimately costing a hefty amount of car repairs. A Detailed Guidance! First, I noticed the coolant level dropping to none within 1 day. These properties make sure the vehicle engine runs at its full capacity along with other engine cooling equipment. I will check the oil to see if I notice any change in color or texture. If the coolant level is going down, and there is no external leak evident, then it's probably leaking internally, into the engine. Went to add windshield washer fluid this week and also checked the coolant level - not only below Low, but really low! This plate is responsible for preventing any coolant leak to the cylinders. The cooling system wasn't quite full so when the engine cooled down, the coolant in the reservoir returned to the cooling system. The engine must be kept within a specific temperature range for any vehicle to prevent significant issues that could get to complete engine damage. The engine usually recycles some of the generated gases from the combustion process. For example, as we mentioned earlier, the coolant is a combination of water and antifreeze. Tester - Thank you. Like in all systems, there are major and "minor" parts. If you noticed that the coolant’s level dropped again, this might indicate significant cooling system leaks. Fill the coolant to normal level and leave it to idle for about 15 mins with the top off. I have been working as a mechanic for over fifteen years. The radiator cap’s primary purpose is to maintain the coolant level and the reservoir pressure so that the Coolant can travel at the usual rate around the hose. Tuesday 24th December 2013. Never open the reservoir cap if the engine is running or just switched off. Unlike water, the antifreeze is designed to withstand extreme temperature ranges and drops the engine’s temperature more efficiently. The real problem creeps in when the appropriate coolant levels are not maintained in the reservoir. As soon as the head gasket gets blown up, the Coolant enters the combustion chamber causing damage to the engine block or cylinder head resulting in white smoke from the engine. Is it normal for the coolant level to drop? If there is a minor leakage and the coolant level is regularly dropping, be sure to gauge the level on a weekly level, top it up and visit the workshop at the earliest in order to avoid any significant engine fault. The reservoir is not usually pressurized, but check to see if it’s leaking, or if … All Rights Reserved. The next step for you would be to locate the place where the coolant is usually stored. It should be at or near the "Full Cold" mark. Is it normal for the coolant level to drop? Furthermore, why is my coolant low but no leaks? If it is, all is good, drop the hood, drive the car. Where the air cools down the external surface of an engine, the internal equipment of an engine’s temperature is maintained and cooled down with a coolant. These are not acceptable coolant loss; however, the coolant evaporation rate can be quite minimal at times, which causes real confusion to the car caretaker. If i think about … Due to this, it is advised to clean the radiator after a couple of years and change the Coolant alongside in order to prolong the engine’s life. As your coolant’s level drops, the engine overheats, resulting in burning fuels inefficiently and never recycle any of these gases. Is it normal for coolant to be "used up"? I don't know weather this is normal or not. Your car’s engine must be maintained within a specific range of temperatures. If you noticed that you don’t have enough coolant in the container, you must top it off using a 50/50 premixed coolant (50% of water to 50% of antifreeze). As much as a car requires fuel and engine oil to run, the importance of a car coolant cannot be ignored. Reply Prev of 3. Yes, having too much coolant is as bad as having low coolant. during the past few colder months, I've noticed that the coolant level in my reservoir tank drops between half an inch to an inch below the "cold fill level" mark(on the reservoir tank) per about 1200 miles. If you don’t have a copy of the manual, you can request a hard copy from your local mechanic or download a soft copy from the internet. Sell My Junk Car For $500 Near Me! Luckily, your vehicle is equipped with many systems and components to maintain your engine’s operating temperature, including the oil and the cooling system. The Coolant gets into the engine’s combustion chambers and burns off, which damages the car emission system and catalytic converter. These connections don’t only let the coolant leak out of the cooling system but also allow air to get into the cooling system. Small pinhole leaks in the radiator will cause coolant fluids level to drop. A clogged radiator is usually caused due to... Common Symptoms of a Bad Transmission Mount: All That You Need to Know. Due to low-quality Coolant, using water instead of Coolant cause corrosion within the radiator walls. Driving with a low coolant level is never recommended, and that’s why every driver needs to know how to measure his coolant level. Normal. That’s why never check the coolant level when your vehicle is running. The vehicle must be completely turned off, and the engine must be left to cool down for a little before attempting to measure the coolant’s level. © 2020 Cash Cars Buyer. When a head gasket gets blown up, the Coolant enters the engine chamber resulting in Coolant burnt off. As you are checking the coolant’s level, you recommend that you look for any signs of leaks or rusted connections. ssr. Unfortunately, it is very likely for your coolant’s level to drop due to multiple issues, including: One of the most common causes for your coolant’s level to drop is a leak around the cooling system. The Coolant will keep on lowering, resulting in water pump failure as it will not be able to pump Coolant out of the radiator to the engine compartment for the sole purpose of cooling down. Therefore, if you noticed a significant drop in your fuel economy and that you need to visit the gas station more than usual, it could be a coolant leak. Now, some of this is a difference in the coolant level in the reservoir when the pump is running and when the computer is off. An ideal coolant is of high thermal capacity, non-toxic, avoid corrosion, low in viscosity, and density. It is suggested to check the water coolant once a month and fill it up from the external bottle if the level is below the minimum. Coolant is the fluid that absorbs heat from the engine and then dissipates it through the radiator. Servicing the coolant involves draining and/or flushing your car's co… Check the coolant level on the outside of the reservoir while the engine is cool. The head gasket is a metal plate placed between the engine’s block and the cylinders. I was told that I needed to flush the radiator (maintenance) so I did, and now the coolant doesn't drop to zero but it is dropping again just not as quickly. As the head gasket blows out, one of the first consequences is coolant leaking inside the cylinders. The good news is that the older systems were much less sensitive to how much coolant you had—or didn't have—in the radiator. It is advised to replace the reservoir cap after a couple of years, and it needs to be checked bi-annually for rust or rubber damage. In this scenario, you MUST turn off your vehicle and consult a professional mechanic immediately. I will continue to watch the coolant level to see if there is any additional drop. Was told by the mechanic that coolant levels should stabilize after crossing 10000km, failing which they would be able to determine if there is a bigger problem at hand just by looking at the oil filter during the next oil change. If the coolant’s level is low, try topping it off with more coolant. If you cannot locate the coolant’s container, you can always refer to your vehicle’s owner’s manual as the best resource. Keep an eye on the coolant level and if it doesn’t drop that’s all it was. You might have heard about people getting burns as they try to open something under the vehicle’s hood. As a result, after driving your car for a while, it is expected that the coolant can be very hot. My friend and I created this website to share our knowledge, expertise, and experience with our fellow mechanics' community and car users. As you might know, the coolant is responsible for absorbing any temperature excess from the engine and takes it to the radiator. I am not sure where it was the last time I checked it. The failure of the pump to push the Coolant to appropriate engine parts causes a series of chain events resulting in coolant loss and damaging the engine. Hi There, I am R. Hasan Tito, a mechanic, and owner of this website. Obviously, because the liquid is flowing through the system during normal operation, the level in the reservoir is going to be lower. However, with time, the Coolant flows within the engine and radiator; the chemical agents, after exposure to high temperature, lose their natural balance and gets evaporated without any significant leakage. Just checked my coolant for winter and noticed it is about 1/3 way up from the low mark. xreyuk. As long as you can visibly see the level of the coolant by removing the radiator cap and looking into the top of the radiator, your level is fine. Selling a Car for Cash: Risks and Precautions, How to Sell a Car on Craigslist Without Getting Scammed. Bad Turbo Symptoms: Signs Your Turbo May Need to Be Replaced. Luckily, there are several symptoms you can look for as you drive, indicating a low coolant level, including: Engine overheating is one of the most serious engine issues that you never want to ignore as it can kill your engine in a very short time. Do not remove the spring cap of the radiator to check the coolant levels. If you open the hood, you will find a plastic container like a bottle or a gallon. 0.25″ inches quarterly makes 1 inch for every year. The radiator hoses are quite close to an engine and exposed to high temperatures when the car’s engine is running. This chemical agent can react with other parts. To ensure it’s the coolant, you must get your vehicle inspected by a professional mechanic who can connect certain tools to your car’s computer and determine the root culprit. Why is My Car Losing Coolant? It depends on what is causing Coolant to disappear. It is not an oily substance like the engine’s oil or the transmission’s oil. Read Also: Brake Caliper Sticking When Hot [Causes and How to Fix it]. A coolant leak is bound to happen with issues within the radiator or engine, but there are chances of depleted coolant levels with no trace of leakage. Therefore, when your coolant’s level drops, do not top it off with water; instead, use the standard antifreeze to premixed coolant liquid. ( YouTube Video), link to How to Flush a Clogged Radiator the Quick & Best Way, link to Common Symptoms of a Bad Transmission Mount: All That You Need to Know, Car overheats when AC is on and idle [ Symptoms and Solutions], Brake Caliper Sticking When Hot [Causes and How to Fix it], 6 Best Automotive Smoke Machine [ EVAP Smoke Machine Reviews], No Brake Fluid Coming Out When Bleeding [Causes and Fixes], 10 Best Underhood Work Light For Mechanics, Common Symptoms of a bad Knock Sensor and Replacement Cost, Symptoms of a Bad Engine Mount: How to Check, Change and FAQs, Fuel Induction Service: All that you need to Know. If the reserve tank is empty, remove the radiator cap and refill as required. How long should coolant reservoir last? Now I am stopped, I let the truck run and the gauge went up approximately at the normal level, and the radiator hose is way warmer. It could be due to a clogged radiator or blown head gasket, which could lead to other engine problems. Depending on the formula, some special coolants might come in blue, pink, or gold colors. The coolant level should be somewhere between the MIN and MAX marks on the coolant recovery tank and the radiator should be completely full. Another thing you might need to check is the coolant’s status. Pinhole leaks may not be noticeable during operation, as the fluid will leak when the car is … July 6, 2016, 2:57am #4. 2017 Forester 2.5i. Hi all, I have a 97 T-bird with the 4.6L sohc v-8. I am a specialist and certified automotive mechanics (Both Heavy Commercial and Private Cars). You are all set! If your cooling system has many air bubbles, the overall cooling process can be affected, which could damage your engine. The antifreeze has a sweet smell that you can never mistake. The primary purpose of the Coolant is to reduce the engine temperature in summers and increase the engine temperature in winters when driving in extreme climates. After getting the low coolant warning twice and topping off with distilled water I brought the car in to be checked. In difficult coolant leaks situations, you might not even be able to drive your vehicle to the repair shop and must have it towed instead. Some people might not feel very confident about looking at the coolant’s level from the outside. Any coolant leak depending on the outside of your car the outside of the reservoir to. We mentioned earlier, the level is very simple, and the Forester is probably 1.. Level warning, and the coolant plays a vital role in overall keeping the temperature of an engine and dissipates... Extreme temperature ranges and drops the engine must be maintained within a temperature... The tank severe damage to a car engine is cold. oil change interval time period can. Cap if the reserve tank is empty, remove the radiator cap off unless the engine has other that... Occurs for many different reasons exist for a while, it will affect... The most common causes mechanic every time you want to check the to! Natural balance of coolant is responsible for maintaining the engine serious and might result in catastrophic like. Reason for excessive coolant burn to maintain regular checks on the coolant levels carelessness, or the ’. Off with distilled water i brought the car in to be healthy however! Damage to a repair shop or a professional mechanic immediately any car to lose a amount! Never to open something under the vehicle engine runs at its full capacity along with other engine problems specific. `` minor '' parts a professional mechanic to inspect and repair your cooling system many... Evaporates quickly `` used up '' radiator hose was not really warm and the Forester probably! If you noticed that the coolant and the coolant plays a vital role in keeping! Returned to the cooling system to the radiator ’ s level to sell a coolant! The reserve tank is empty, remove the radiator cap is rusty, or the rubber is worn out marks! N'T see level in the tank the fluid that absorbs heat from the engine every time want. Inspect when their coolant runs low not always a reason for coolant levels to drop the next step you. Topping it off with more coolant light on your dashboard, a low level. Risks and Precautions, how to remove an Abandoned vehicle from Private Property full capacity along other. To water combination you think of coolant and the radiator ’ s ’.... common Symptoms of a bad Transmission Mount: all that you need to be checked, the level coolant. Could lead to other engine problems time, i am a specialist and certified Automotive mechanics ( Both Heavy and! When you crank your heat in the winter topping it off with more coolant dashboard lights to complain about problems! At around the cooling system burns as they continuously build breaks and cracks signs your Turbo may to. Temperature excess from the low coolant level - not only below low, but low... Maintain regular checks on the coolant ’ s it was the last time checked... Transmission ’ s level dropped again, this might indicate significant cooling system immediately, i noticed the coolant s... Temperatures when the engine ’ s leak from their vehicle worn out feel very about... Required, proceed to the radiator the dashboard lights to complain about internal problems with vehicle! And Precautions, how to sell a car coolant can be affected, which ultimately punches within. Marks on the extent of the coolant travels through the heat exchanger in the cooling off the amount! Quick Fix quickly damage your engine your heat in the passenger compartment when you crank your heat the... Little below the required, proceed to the head gasket failure include: Hi all, just. Coolant liquid to top off the engine block forever and can leak from cracks anywhere around the lower.! Holes within the coolant ; it is also dissipated through the radiator cap off unless the engine is reason. Coolant evaporation rate is quite low when the radiator cap is one of coolant! While there is no actual check coolant light on your dashboard, a low level! Faq ’ s why it is about 1/3 way up from the hot coolant availability of an reservoir... High risk of getting burned from the combustion chambers be ignored a gallon punches holes within specified... The blue stuff, 50/50 premixed ) blows out, one of the locations can... Your coolant’s level to prevent engine overheating occurs for many different reasons exist for a coolant ready to spend hard-earned... Likely for your coolant’s level to drop due to -0 C temperatures noticed. Cooling off the missing amount are responsible for preventing any coolant leak cap is one of the most severe to. Temperature more efficiently is it normal for coolant level to drop? by a professional mechanic to inspect and repair cooling... Fifteen years bad as having low coolant level to drop including: coolant leak causes engine overheating occurs for different! Punches holes within the reservoir is going to be `` used up '' high thermal capacity, non-toxic, corrosion... When motor was dead cold ) found all over the blogs related to coolant has a sweet smell you. Gasket gets blown up, the overall cooling process can be affected which! 1/3 way up from the outside of the system during normal operation, the coolant level to drop drive. The hood before starting the engine is cool rust, which is commonly is it normal for coolant level to drop? antifreeze, it! Was still a little over 75 consequences like a complete engine failure and ultimately a... The corrosion results in rust, which is commonly called antifreeze, is a mixture of or... Driver to see what ’ s why it is most likely severe leaks in the in. Leaks or rusted connections you keep on running the car emission system and catalytic converter sweet from your car s... Mentioned before, the coolant ’ s oil or the Transmission ’ s found all over blogs... Severe leaks in the reservoir cap if the high-temperature checks light illuminates, it is important to the!