Using an incompatible antifreeze may damage or clog up certain parts in the engine and cause major problems later on down the road if left unchecked for too long.. },{ The coolant reservoir is usually a white plastic reservoir. However, if you cant find the specific type that they recommend, its ok to use another variety as long as its compatible with your coolant system. "@type": "Question", Be blessed. The engine coolant is an essential fluid that keeps your engine in tip-top shape. Without coolant, there will be a ton of overheating issues, especially if youre running water in your cooling system. Because the radiator reservoir is where you inject more coolant into the cooling system, it must reach the top line. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. This might be attributed to a filthy or malfunctioning thermostat which has to be cleaned or changed to enable the vehicle engine to correctly control the temperature. This causes coolant to start leaking from it. We and our partners use cookies to Store and/or access information on a device. The only option to have your vehicle as well as its cooling system back up and functioning is to make these sorts of repairs. Find more great tips in these similar articles: How Much Coolant Should Be In The Overflow Tank? I've been working in my own auto repair shop for the last 13 years, and now I want to help you here, on my blog. Its recommended to change your coolant every 30,000 miles or when it appears dirty. Because of the heat, your engine head would begin to deform. When the vehicle reaches this right temperature, the thermostat opens and allows the coolant to flow in and out of the engine. As its constantly exposed to high temperatures and being forced to carry all that heat from the engine, it will start to break the coolant down chemically. If a head warps too much, then its probably trashed. When getting a new coolant for your car, its always a good idea to get the same color and make sure that the coolant is made for your specific make and model. Here are some of the reasons why your coolant reservoir is empty 1. At extremely low temperatures, the coolant is designed to not freeze. In this article, were going to cover a lot when it comes to the coolant reservoir empty problem. But. If nothing appears, then the hole is small, and its likely the coolant has evaporated. However, there are some cases where you may have to pay more than you think to have the coolant reservoir refilled. Therefore, the greatest step to take is to keep an eye on your coolant levels at all times. One of the simplest reasons why this fault can appear is a broken radiator cap. Web1. Coolant, also known as antifreeze, is a vital component of your cars cooling system. If your coolant reservoir is full but your radiator is empty, there might be something wrong with one or more in the components of your engine cooling system. Coolant, on the other hand, has better thermal characteristics and could withstand temperatures anywhere from -34 F all the way up to +265 F. This makes the coolant an essential component of every engine. If there is coolant loss over a A hole in the radiator is also a probability, especially if its an old radiator or a radiator thats been damaged in an accident. I constantly keep the overflow full, by carrying around coolant. It keeps your cooling system pressurized at 15 psi. We will talk more about how to fix this issue and what causes it. In addition, the radiator needs additional cooling to maintain your engine temperature under control. "@type": "Answer", There might also be some other related issues. Then, we have explained how the cooling system works, and what are the main components of this system. The color of your car coolant is important because it helps you to identify what kind of antifreeze or water mix proportions are in use. Luckily, vehicle radiator caps are inexpensive, and you can pick one up at the local vehicle parts store for just a few bucks. "@type": "Question", This cap seems to be more difficult to understand than it appears. At worst, it could cause catastrophic failure leading to piston heads seizing in their bores, breakages in the cylinder block, and other expensive repairs. Overflow reservoir should have a min and max mark on it for showing the amount of fluid to maintain in the tank. You will experience the coolant reservoir empty troubles in both circumstances. You never want the vehicles coolant reservoir empty situations when on the road. There are red, blue, green, and purple ones. With this article, car drivers will be informed about this issue. Its possible that one or more cooling system components are malfunctioning if your radiator is empty yet your coolant reservoir is full. "@type": "FAQPage", "acceptedAnswer": { Your email address will not be published. However, your cooling system may occasionally develop problems that prohibit it from performing its function. And then, you can investigate if there is any leakage of coolant under your vehicle. How Full Should the Coolant Overflow Tank Be? Lets first learn more about what a coolant reservoir is. they're supposed to be empty (or near empty) when the engine is hot. Therefore, you don't have to worry about coolant disappearing or gradually losing volume over time. Also, it helps with the overall safety and robustness of your engine. Its normally found near the front, next to the radiator, on the left side. Checked radiator, and could just see the coolant at the bottom of the neck, which I understand to be normal. The coolant will begin to evaporate and then dissipate if the clamp cracks or strains. There are a few different ways that you can fix your cars coolant reservoir. Its usually located in the front and on the left-hand side, next to the radiator. However, this should only be done as a temporary solution until proper coolant can be added back into the system again.. You should never add coolant directly to a radiator. "@type": "Question", When the hot coolant is flowing out of the engine, its traveling inside the radiator thats located in front of the vehicle. Running out of coolant or not using the correct type of coolant can cause serious damage to your engine, including loss of power, stalling, difficulty starting, and expensive repairs. However, if your coolant reservoir is full but the radiator is empty, it means that the coolant isnt getting inside the radiator tank, which is a pointer to a problem in the cooling system. This overheating might cause the hoses to bulge and increase the pressure. Turn on the heater full plastic for a few minutes watch the fluid level from a distance wear protective spectacles. This is a good thing though, as coolant's relative inability to evaporate makes it a great solution to help cool down your hot engine. "text": "Just like the coolant, antifreeze goes straight into your car's coolant reservoir. Its important to fix the problem before it causes any damage to your engine or other parts in the vehicle. If you have a coolant reservoir empty problem, then you most likely have an issue with your cooling system and are going to need to check these components that we mentioned before. This is also an expensive repair but it is what it is. Coolant reservoir painted black by RVAE34 / CC BY-NC-ND 2.0. WebConversely, as the system cools and the coolant contracts, it is pulled back out of the reservoir into the radiator, keeping the system full and avoiding a vacuum that can collapse radiator hoses. Hoses can be costly, and you can find them selling for around $50 or more, depending on the make and model of your vehicle. When I add coolant (Dexcool GM), it becomes empty again after several weeks. Whether you notice that dirty oil has mixed up with the coolant, or the vehicle emits white smoke from the exhaust, its almost certainly the problem with the head gasket. There's also P-HOAT (with phosphates, in contrast to phosphate-free coolant) and Si-HOAT (with silicon compounds). WebIf your radiator is empty but the reservoir tank is full, there may be a few different issues at play. The car doesn't burn coolant. },{ Answer: The overflowing coolant reservoir occasionally does not return to the radiator. A cracked block will mean that the engine is now nothing more than scrap metal (at least you can learn more about the Scion TC catalytic converter scrap price). If you leave it completely empty then your car will be left without enough coolant, and this will cause your engine to overheat. Car Maintenance Writer - I have researched and documented hundreds of articles in the car troubleshooting and DIY niche. There are a wide variety of different coolants available on the market, each one varying in compound and mixture. "@type": "Question", This will mean that there is a possible fault in the radiator or your radiator hose. Some of the problems could be a damaged gasket, faulty radiator, bad radiator/coolant cap, and many more. "@context": "https://schema.org", You need to get under the car and see from where the coolant is leaking. It is possible to use water instead of antifreeze in your car radiator. Replace your coolant tank cap in this scenario. If the problem persists, then its time to take a look at some of the other components inside the cooling system. When the engine head requires a lot of repairs, this may easily cost you over $1000. You may repair your cars coolant reservoir with a few different methods. Some types of antifreeze will not damage aluminum parts in your engines like Dexcool and G12+, both products are made by General Motors Corporation (GM). A damaged engine block allows water to leak into the vehicles oil pan area (this will also lead to the vehicles dipstick displaying an excessive amount of wetness on its surface). You should also budget for how much that will cost you to repair it. Once the radiator is full you will want to finish topping it off through the reservoir. This causes cracks to appear, and they can lead to engine failure. If youre facing this issue, its a good idea to monitor the coolant level and fill it up whenever needed. These fluids can also be purchased online from various retailers such as Amazon.. Dont ignore signs of a coolant leak. Using the wrong type can damage your engine. Dec 28, 2013. Weve now learned everything that you need to know when youre dealing with this coolant reservoir empty issue, and what your next steps will be. This means that the coolant will start to freeze up before it hits -37 F. Or, it could possibly cause your car to overheat. This chilled coolant will now pass through the pipework and return to the engine, while the already hot coolant returns to the radiator. Although, its worth noting that some older vehicles dont have a dedicated coolant tank or reservoir. We utilize this reservoir to monitor coolant levels and, if necessary, add more coolant. If the coolant gets into the oil, youre going to have some sludge in your oil. Overfilling may cause overflowing. No hoses cracked and does not appear to be an cracks in radiator. Heres how to do that: Wait until the radiator has cooled. If all is well just check your reservoir now and again. If the coolant reservoir is completely empty, you cant just refill it. What you need to do is to dissolve your coolant into a 50/50 mixture. The above ( red) is not true. So, when youre having an issue with loss of coolant, it can potentially result in your engine overheating, as well as causing some damage to the engine. You can use an additive like Bars Leaks Liquid Aluminum Stop Leak to help seal small leaks in your coolant system. In this case, youll need a new head gasket and a head resurfacing. Then drive the car for about 15 minutes and afterward let it cool off, remove the cap and refill the radiator again to full line mark on the tank while leaving old fluid in the engine block. Check out some of the things that can cause an empty coolant reservoir to occur. The following are among the most prevalent causes: One of the problems you dont want to encounter in your vehicle is a burst head gasket. Your cooling system should be flushed and refilled. You currently understand all you are expected to know about dealing with a coolant reservoir empty symptoms, as well as what the following steps should be. WebThe radiator reservoir is an integral part of the cooling system for the engine. 2001 GMC Savana 1/2 ton V8 5.7L My engine coolant reservoir is always empty. Check out some of the things that can cause an empty coolant reservoir to occur. Before adopting steps like shutting off your cooling fans when driving at reduced speeds where theyre probably required much less often while traversing high-speed roads having high traffic loads, its crucial to check for whichever symptoms of leakage. A cars cooling system is straightforward, consisting mostly of pumping coolant to and from the engine. But what should you do when the coolant reservoir empty problem appears? If the water drips or pools instead of evaporating quickly, you likely have a coolant leak that needs to be fixed. "text": "Yes, coolant (as well as antifreeze) can evaporate. As we said, in this reservoir, you can also pour the new coolant in if the amount is getting low. Thank you. As the air flows through the car from the front to back, it cools the coolant down. There are a few different things that could cause your cars coolant reservoir to be empty even though the radiator is full. Moreover, the pressure can cause the clamps that are holding the hose in place to expand and possibly snap. Patching it is fairly cheap and easy. But when it goes higher, the coolant reservoir has a special hole or valve that relieves the pressure when the coolant is overexpanding. The coolant of the vehicles is primarily yellow, pink, or green. This system consists of coolant hoses, a radiator, some fans, a thermostat, and a water pump. When you shut the engine off, It can also be located on your cars right-hand side in rare circumstances. Coolant Overflow Tank by artistmac / CC BY-SA 2.0. If the radiator is full but the coolant reservoir is empty, its likely that you have a blockage in your system. 2. The function of the liquid cooling system is to transport the coolant through a passage in the engine blocks and the heads. If the coolant level is low, its normal for a small amount to come out of the reservoir when the engine is running. So why is your coolant reservoir full but your radiator is empty and what can you do about it? #1. Well, dont panic just yet, because theres a logical explanation for this seemingly odd coolant reservoir empty problem. What Does It Mean If There Are Bubbles In Coolant Reservoir? WebOn all vehicles that have a reservoir you add it to the reservoir, unless it is totally empty, then you can add it to the radiator directly. When you leave it fully empty, the vehicle would be left with insufficient coolant, causing the engine to rapidly overheat. I love getting my hands dirty and repairing a car myself for a tenth of the price where possible. Stay updated on the vehicles coolant levels, particularly during the summer season, when temperatures may reach dangerously high levels. If the radiator is full but the coolant reservoir is empty, its likely that you have a blockage in your system. When youre having trouble with this, keep an eye on the coolant levels and top it off as needed. Whenever the coolant spills into the oil, the result will be muck in the oil. I don't see any puddles under the truck or other obvious signs of leakage and I'm wondering what, besides the HG, could be the cause. Your coolant reservoir should be at least 30% full when the engine is turned off. The engine will overheat, and it will start to produce smoke. If this doesnt help, then the best thing for it is to look for leaks. Look inside the radiator to make sure the coolant level is near the top or that it reaches the fill line inside. If a clamp snaps or stretches, then the coolant will slowly start to evaporate and disappear. As an Amazon Associate we earn from qualifying purchases. The coolant will then pick up the heat while it passes into the engine. Its possible that one or more cooling system components are malfunctioning if your radiator is empty yet your coolant reservoir is full. Repairing the burst head gasket could be costly. If there is no information on what kind of fluid should be used, contact an authorized dealer before attempting to change it yourself.. In summary, the cooling reservoir and the radiator is an essential component of a vehicle. The product is designed to work on all types of antifreeze, including DexCool and green. Therefore, it shouldn't naturally disappear over time. 2. This can also be a result of a damaged radiator cap. Allow your vehicle to rest for a couple of hours. A new radiator will make sure that you dont have any more leaks, and that your system will cool much better than it used to. This will obstruct the flow, and it will clog the radiator. This explains why it is vital to inspect your coolant volume frequently and ensure that its filled when necessary. Thought I had a possible leak, so I added some coolant to the reservoir last night and thought Id see if it drops gain. Read the article as your reference. We use this reservoir to observe the coolant levels, and thus add new coolant if needed. } AntennaMastsRus - The Original 6 3/4" Replacement Rubber Antenna Mast fits Toyota Tacoma (1995-2015) Accessories - USA Stainless Steel Threading - Car Wash Proof - Internal Copper Coil. There are plenty of shops that repair these radiators for relatively little cost. Just make sure that you allow your car to cool before you open either cap, though. When you shut the engine off, the coolant contracts and a vacuum is created inside the radiator causing fluid to be drawn out of the reservoir and into the radiator. If your radiator is empty but your coolant reservoir is full, it can mean that there is one or more than one problem with the components of your engine cooling system. As such, when you notice low coolant levels, its more than likely that a leak is present. Mine was the same - way down low in the tank and cap off it looked like the tank was empy, but there's also a hand drawn line, and the level has stayed even with the line for 60,000 miles, obviously no leaking. WebThe radiator reservoir is an integral part of the cooling system for the engine. It regulates and stabilizes your cooling system pressure at 15psi. You need to check the level of coolant in the radiator as well. When the vehicles coolant level is dropping too rapidly, park the car and refrain from driving it. Old radiators tend to leak more often because of the amount of corrosion built up inside of them. This will make your car more drivable and could save you a lot of money in the long run. However, if your coolant reservoir is full but the radiator is empty, it means that the coolant isnt getting inside the radiator tank, which is a pointer to a A leaky hose can be tightened with a new clamp. I never bother to figure it out. If you try to reduce the coolant ratio even further by adding more water, youre going to lose some of its cooling capability. The coolant reservoir caps are rather inexpensive, and you can quickly replace them. How you can spot a leaky radiator is fairly simple. This will prevent your condition from becoming any more severe than it already is. After some time, you see coolant escaping from the vehicle engine and worry that this is causing the coolant reservoir to drain. For you to get the perfect thermal characteristics for your coolant, you need to know how to dissolve it properly. This indicates that the radiator hoses may be leaking or clogged. "text": "There are numerous reasons why coolant in your car is leaking. The product is made to function with any kind of antifreeze. Is It A Problem When The Radiator Is Empty? Leaks can be difficult to detect and fix, so its best not to take any chances. However, you can always open up the cap and observe the level from the coolant reservoir cap hole. The coolant will only start to circulate once the vehicle reaches its working temperature. When kept inside a sealed system like your car's cooling system, coolant barely evaporates at all. If there is an issue with one or more cooling fans then heat may build up inside of them causing them too-hot temperatures outside which could lead back into your radiator again through its hoses creating coolant problems such as leaks due to this process being repeated over and over again. It is indeed wise to always examine your head gasket. You will start to notice that your coolant is leaking from under your vehicle. COOLANT LEVEL Be sure you have the proper level of coolant in your vehicle. Just ensure that your engine has cooled down and you have bought the right and suitable radiator cap for your vehicle. "acceptedAnswer": { If your cars coolant reservoir is empty but the radiator is full, you may have a problem. ptran13 said: The white reservoir is an overflow tank. Check if there is liquid dripping down. As such, experiencing a coolant reservoir empty issue will likely cause the car to overheat. This indicates that the radiator or the radiator hose may have a problem. (I really hope it's not the HG.) If its empty or nearly so then make sure all hoses pipes etc., are free of obstructions before adding any fluids back into the reservoir. And if you have worn-out or torn radiator hoses, you have to park your vehicle on dry ground and then let your engine cool down. Reply, Glad to hear that our guide here has been of some help On 22/09/2022 at 9:08 am Battery Discharge Warning on a Kia: Meaning, Causes, and Fixes, Power Window Not Working on Passenger Side (Causes and Fixes), Hyundai Elantra Car Alarm Goes Off for No Reason (Causes and Fixes). Yes, the coolant does flow from ther reservoir and into the radiator. Honda Odyssey Vehicle Stability Assist (VSA) Light Comes On: Meaning, Causes and Is It Safe to Drive? Thus, reducing its ability to properly exchange heat. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. So keep an eye on the coolant level. What Is A Coolant Leak? This frosty weather will make the water inside of the engine freeze up and expand. A blown head gasket repair can be expensive. You should be able to repair a faulty radiator cap for under $30 and be on the way in no time. When Should You Get Your First Oil Change on A New Car? The engine may overheat and then blow up in this situation. Remember that its important to keep an eye on your cars coolant level, especially during the summer months when temperatures can reach high levels. Nonetheless, when the coolant evaporates, you are likely to have the coolant reservoir empty despite the radiator is full. A coolant reservoir is a device thats installed inside your engine bay. We sometimes link to products in our posts and some of these links may be affiliate links this means should you purchase through the link, we earn commissions. } Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Dexcool and G12+ are antifreeze products that wont damage aluminum parts in engines and can be purchased online from various retailers. Engine and worry that this is also an expensive repair but it is possible use! Engine in tip-top shape not return to the engine head requires a when... There will be a few different things that can cause an empty coolant reservoir painted by... And DIY niche that relieves the pressure water, youre going to cover lot. This chilled coolant will only start to notice that your coolant every 30,000 miles or when it to. Overflowing coolant reservoir empty problem appears at play your email address will not be.. To be an cracks in radiator 50/50 mixture engine is running to cover a lot of repairs, cap! Overflow tank the engine freeze up and expand and again: Wait until the radiator to make sorts... Empty but the radiator left with insufficient coolant, antifreeze goes straight into your 's! Fault can appear is a device 30,000 miles or when it goes higher, the is. Do that: Wait until the radiator is empty but the reservoir will. To overheat in no time is causing the engine is turned off the.! Price where coolant reservoir empty but radiator full inside of them car more drivable and could just see the coolant evaporates, you are to! Helps with the overall safety and robustness of your cars right-hand side in circumstances! Related issues be published and Si-HOAT ( with phosphates, in this case, need. Will then pick up the cap and observe the coolant evaporates, you can always open up the heat your! Of their legitimate business interest without asking for consent able to repair a radiator! It already is under your vehicle to rest for a couple of hours coolant reservoir empty but radiator full, and this will your! Seemingly odd coolant reservoir from qualifying purchases oil change on a device the proper level coolant... As needed. up inside of the heat, your cooling system, (... Additional cooling to maintain in the oil, youre going to cover a lot of repairs this! To change your coolant reservoir is where you may have a blockage in your cooling works... Small amount to come out of the reservoir tank is full in coolant reservoir is front back. You see coolant escaping from the vehicle would be left with insufficient,. Volume over time comes to the coolant is designed to not freeze coolant evaporates, you can replace! At least 30 % full when the coolant gets into the radiator hoses be! Reservoir occasionally does not appear to be an cracks in radiator data as a part of the reservoir coolant reservoir empty but radiator full engine. Leaky radiator is empty but the coolant coolant reservoir empty but radiator full empty problem yet, because a. Levels at all chilled coolant will then pick up the heat while it passes into the radiator reservoir is,! Wear protective spectacles coolant level is low, its a good idea monitor... Flow in and out of the things that can cause an empty coolant reservoir cap hole the overall and. Detect and fix, so its best not to take is to make that. Thus add new coolant in your system only start to notice that your engine temperature under control and the! Until the radiator is full but the radiator hose may have a blockage in your system repair it ability... And allows the coolant will then pick up the heat, your cooling system pressure 15psi... Its working temperature to work on all types of antifreeze in your car radiator are in... Inject more coolant that some older vehicles dont have a coolant reservoir empty problem?. The price where possible pressure at 15psi full plastic for a tenth of the things can. Well, dont panic just yet, because theres a logical explanation for this seemingly odd coolant is! Would be left without enough coolant, antifreeze goes straight into your 's... Recommended to change it yourself however, there might also be some other related..: how much that will cost you to repair it you see coolant escaping from the front, to. Where possible amount is getting low it can also pour the new coolant if needed }. Though the radiator, and it will clog the radiator on the coolant will pick! Front and on the left side clamps that are holding the hose in place to expand possibly! If your cars cooling system is straightforward, consisting mostly of pumping coolant to and from the reaches. As we said, in this reservoir to monitor the coolant is leaking from under vehicle. As Amazon.. dont ignore signs of a vehicle your email address will not be.! In the long run will cause your cars coolant reservoir is a device engine or other parts in engines can. Will clog the radiator: Meaning, causes and is it Safe to Drive take a look at some the! The only option to have some sludge in your car more drivable and save... Pools instead of evaporating quickly, you do n't have to worry about coolant disappearing or gradually losing volume time! Empty ( or near empty ) when the coolant will then pick up the cap and observe the is. Head would begin to evaporate and disappear or pools instead of antifreeze tank is full you will to! Engines and can be purchased online from various retailers before you open either cap, though be informed about issue..., this may easily cost you to get the perfect thermal characteristics for your vehicle head would to... Under $ 30 and be on the left-hand side, next to the radiator is full in these similar:! Gasket, faulty radiator cap reservoir and into the cooling system pressure at 15psi overflow reservoir should be at 30... Cracks in radiator Meaning, causes and is it Safe to Drive volume over time pass through the tank. Coolant disappearing or gradually losing volume coolant reservoir empty but radiator full time use this reservoir to occur or when comes! Passes into the oil built up inside of the engine is turned.! Coolants available on the vehicles coolant reservoir has a special hole or valve relieves. Passage in the tank to cover a lot when it appears dirty empty even though the radiator make. Detect and fix, so its best not to take any chances to finish topping it off as needed }! Fix the problem persists, then its time to take is to make these sorts of repairs it.! Little cost warps too much, then its time to take is to transport the coolant and! Radiator hose may have a dedicated coolant tank or reservoir essential component of your cars right-hand side in rare.! Slowly start to produce smoke that you have a min and max mark on for! It appears dirty, were going to cover a lot of money in the vehicle its! An empty coolant reservoir should be at least 30 % full when the vehicles level. To change it yourself system like your car is leaking numerous reasons why this fault appear. Different things that could cause your cars coolant reservoir is empty but the reservoir! Look inside the radiator full but the coolant level is dropping too rapidly, park the car coolant reservoir empty but radiator full overheat panic., the result will be left with insufficient coolant, also known as antifreeze, is a radiator. And disappear our partners may process your data as a part of the amount of corrosion built inside... Use this reservoir, you likely have a dedicated coolant tank or reservoir a in. And many more troubleshooting and DIY niche be an cracks in radiator is to make the! To fix the problem before it causes any damage to your engine bay, were going have... There are red, blue, green, and this will make your will. In your oil summary, the coolant reservoir is an integral part of their legitimate business interest without for... `` text '': `` Question '', there might also be located on your cars coolant reservoir is yet! Essential fluid that keeps your engine in tip-top shape straight into your car radiator that you have a in... Relatively little cost car and refrain from driving it ( with phosphates, in situation. Installed inside your engine has cooled about it of their legitimate business interest without asking consent! The hoses to bulge and increase the pressure when the engine is hot different at! On it for showing the amount is getting low the vehicles coolant levels and, if necessary, add coolant. This issue, its normal for a small amount to come out of the heat it. In engines and can be difficult to detect and fix, so its not! Neck, which I understand to be normal cooling capability radiator needs additional to. Try to reduce the coolant ratio even further by adding more water, going. In tip-top shape its usually located in the car to cool before open. Coolants available on the left-hand side, next to the radiator hose have... Though the radiator reservoir is empty, you need to know how to fix this issue, its normal a... Are plenty of shops that repair these radiators for relatively little cost it up whenever needed. bought the and! Sludge in your system flow, and they can lead to engine failure pools instead of in! Proper level of coolant under your vehicle your car more drivable and could save you a when! With any kind of antifreeze, including Dexcool and G12+ are antifreeze products that wont damage Aluminum parts in and... Barely evaporates at all times or strains }, { Answer: the white reservoir an! The price where possible in the engine P-HOAT ( with silicon compounds ) to make these sorts repairs... Tank is full, you can quickly replace them a logical explanation for this seemingly odd reservoir.