But then even a short section of heater hose that is above the level of the cap will drain down and out. Comment below and lets talk! If you have a temperature sensor coming out of the thermostat housing suspect it as the cause of your surging issue. Yes it could be the EGR cooler but less likely. Remove radiator cap and fill coolant to about 1/2" below the top. Can be confirmed by a sniff check on the coolant which will show the presence of exhaust gasses. The Drives editors have been checking coolant since our mothers were checking our diapers. While The Drives how-to guides are detailed and easy to follow, no vehicle is created the same, and not all auto maintenance or repair tasks are easy to accomplish on your own. Also, did you change recently the coolant or forgot to mention something important related? Started Thursday at 07:32 PM, By You cannot paste images directly. This vacuum drawscoolantfrom the tank, back into the system. Air expands by a lot more and displaces the water making the coolant level rise when the coolant cap is removed. If the coolant level doesn't change. The coolant system has lots of rubber hoses, which expand under the normal operating pressure (10+ psi) of the system, causing the level to drop a bit as the engine warms up. the engine the level raises slightly but only a couple of mm if you raise the revs to a fast idle say 1200 rpm the level rises again but about 3000rpm the level overflows with the cap off and is filled to the top with no air in the tank with the lid on . On some vehicles, however, the coolant check cap will be located on the coolant spillover reservoir. As it cools, it contracts again and shrinks back down but should remain higher than the min mark. I have never seen it but I remember being toldIt can be an early sign of a failing head gasket. laumk7 Do you guys found any solution? Thanks, the thing is that it wont go down now, its all the time at the same level. Please see our, Dodge Charger V6-3.6L - Car is overheating - Charlotte, North Carolina. Reddit and its partners use cookies and similar technologies to provide you with a better experience. I can't remember which temperature though, I know it was just on the minimum line when the car was cold. If you are not comfortable with pressure testing the radiator cap by yourself, contact a certified mechanic, such as one from YourMechanic to conduct the pressure test for you. If the vacuum holds then you have your premixed coolant handy in a clean bucket or other container and you stick one of the hoses into it. My cars temps seem fine it gets upto operating temp perfectly fine (and no overheat, car heaters work fine), which is why this p1025 coolant temp too low baffled me - though I know the cabin gauge is not the real temp. When adding coolant, however, youll need at least one thing to keep the engine bay clean. 3. " Just went to check for any coolant leaks, still looks good. Took a sniff test now, and it did not indicate HC in the coolant. Car would sit for a few days. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. Started 3 hours ago, By I look forward to having Mike Folsom as my go-to mechanic. It's that simple. what mine sometimes does is; you can take the cap off when the engine is cold and fire it up and the coolant tries to push out where the cap is supposed to be. (Click here to read), ''Glitters'' inside my coolant expansion tank. Started June 13, 2022, By Thats up to you. It was designed with a port at the bottom which leads to the radiator, and an open breather port at the top so it can vent freely. JavaScript is disabled. I ended ut with scrapping the car. If you really have no bleeder, you could install a thermostat housing that has one, or pull yours and install one yourself. Be careful with assuming the color in the system is the color you need. No, No and NO your cap regulates pressure if anything the radiator cap is the problem. If a pressurized cooling system has pressure trapped when cool there may be an engine problem such as a leaking head gasket, porous head or block etc. More likely to happen in certain situations I expect, depends on the temp of the coolant in the radiator, and if the car is parked on a slope or not. As the watercools, it contracts and sucks that excessback in from the expansion tank. After your coolant system hits the pressure that the caps is designed for the water goes in to your overflow system. Close the hood. Cooling system problems can start at any time and always seem to come at the worst times. You also need to wait for the engine to warm up and for the thermostat to open, otherwise you could have some air trapped in the block with no way out. Concentrated is always cheaper. Best way to bleed system if has air in is to have heater on hot to get full flow through complete cooling system with thermostat open at full operating temperature. If no, proceed to step 4. Started February 26, 2015, By I ran across this twice, both times right after adding coolant to the radiator. While parked on a flat surface with the vehicle cooled down, pop the hood. Hot coolant is under pressure and could spray out and burn you. JohnDoe2023 Hopefully it has been rectified thank you for your instructive description. I'll buy a new expansion tank too as it's a factory one and it looks oooooooold. It works exactly the same way as your hot water tank or central heating radiatorsat home. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Are you sure it couldn't cause surging? This happens every week or so, low coolant alarm, when i check its jyst below minimum, when i loosen cap a lot of air hisses out and coolant level goes back to maximum level. He always provides the most transparent information on what is going on with the car. I have a leak in mine, or something is wrong with it. ItSmaxs Be prepared for a spray of coolant if a bad leak. You need to be a member in order to leave a comment. Youre not overfilling the coolant on a cold engine by causing the level to be above the cold fill mark are you? Antifreeze might look like Gatorade, but its toxic and should be treated as such. Display as a link instead, I am hoping that is just due to me putting coolant in it for the MOT. Got a pro tip? Release the pressure, air pocket expands, reservoir level rises. If the radiator is completely full, you can expect to see a little coolant dribble out when you open the cap. Which is the most probable solution to his problem. is there residual pressure when you release the cap? Content on supraforums.com is generated by its users. It is good to try to get it out though. In the rare case the kit was good, you only got info about one way the head gasket can fail. I wonder if it's worth doing the air bleed procedure (running it for 20 mins with the cap off and refilling it). Then, turn your engine off. I think I poured the coolant too fast. Not quite. You'll also see markings on the side telling you the low and high levels to work with. How can I detect when a signal becomes noisy? Step 3: Check the cooling fan. Be prepared for a spray of coolant if a bad leak. Started October 8, 2020, By Plus my coolant is more water than coolant, I had been topping it up with water only during the summer which was a very dumb thing to do. JBOD Learn more about Stack Overflow the company, and our products. Articles may contain affiliate links which enable us to share in the revenue of any purchases made. 2. I was going to suggest checking the coolant pump, I'd certainly go there before taking the head off. Why do you thinking they are? The Drives obsessive informational team is ready to transfer all of our coolant knowledge to you with a breakdown of its properties, its various types, and its functionality. A leaks a leak ay man, if there's no visible leak easiest thing to check is the heater matrix see if that's leaking, if not the system will have to be pressure tested and then see where the leak is from there. Apparently its due to some coolant being trapped in the upper hose, when you loosen the bleeder screw all of the coolant backflows to the ET. If needed, fill it up with a 50/50 mixture of coolant fluid. Fill the reservoir slowly when the engine is cold after an overnight stop, run the engine at fast idle with cap off in case of any airleaks, top up again if needed, refit cap. Checking your coolant level is one of the easiest things to do because you need absolutely nothing, not even a rag. Step 4: Verify with the Radiator Filler Neck. Others also says that it may be head gasket, but also crack in engine head or trouble with EGR cooler. It turned out to be the head gasket. Started 10 hours ago, By rev2023.4.17.43393. Those kits are usually a waste of time and money. Your problem may simply be a loose or damaged cap not keeping coolant where it needs to be. Pull your engine oil dipstick and see if it looks like oil or chocolate milk. Some issues will require further testing with other diagnostic tools. Certain engine faults, such as Get a fair & transparent quote instantly before booking. It did this on the last dozen cars I have had, so it must be normal. Hello, if you don't see any exterior leaks, then you most likely have a blown head gasket. The combined effect is to very slightly inflate all of the rubber hoses which results in overall drop of coolant level as seen in the expansion tank. A: We do not recommend mixing coolants. Peep the different types below. How to check if an SSM2220 IC is authentic and not fake? Antifreeze and distilled water, or coolant. After a drive and I wait a bit, but engine is still hot, it will do that. Step 5: Add coolant dye to the system. Sign up for a new account in our community. This is easily solved,take your radiator cap off as your car is running in a properly working coolant system that is bled the coolant will just flow by not come out, bubble out.Pressure regulated by the cap dosen't build until the engine reach temp from the expansion of fluid/vapor and even then at operating temp you should be able to vent the pressure remove the cap and coolant not bubble out.If your vehicle does something different from this you have a problem.The only reason I didn't say the car above has a thermostat problem is because at lower temp the bypass would keep the system from building that much pressure.Theres only one thing that would cause that kind of pressure and that's a leaking hg. If you have an electric cooling fan, the circuit must be diagnosed before replacing the fan. It has now happened twice to me that after adding coolant to the radiator, when I turn the car on the RPM's will bounce up and down and the engine is reving (between 1k and 1.5k RPM's). Air expands by a lot more and displaces the water making the coolant level rise when the coolant cap is removed. If left alone, when the engine is switched off and allowed to cool, the level will return to its original position.I think you've complicated things a little by topping up, so you may find that the cold level drops over time to a new position somewhere around Min. Fluids can't be compressed so if the coolant disappears then it has to be into a pocket of air. Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. Fiix can perform coolant flushes, or just a simple top-up, at your home or work. Started March 14, Ford Owners Club Start your vehicle and allow the engine to warm up. Most cars these days have a translucent coolant overflow tank right next to the radiator. You can also shout at us on Twitter or Instagram, here are our profiles. Yeah, they do not show all ways, but in this case most people point to compression leak to coolant. UVIEW 550500 AirLift II Economy Cooling System Refiller. I take it none of you are plumbers or heating engineers? Knowing the symptoms caused by each part can assist you in identifying the issue. Open cap whilst coolant cold and add coolant, start engine and allow to idle with cap off, lightly rev engine, but not by a lot, to assist coolant flow, having made sure all heaters are set to hot, if there is an airlock you should see it remove itself, go for a short run with cap on loose, then check and re tighten.. How much coolant is "missing" when engine is running? Your radiator cap is, after all, designed to hold 15 to 16 psi (typically) before releasing coolant but freely draw coolant back into the system after the engine is shut down, and if the coolant was heated up after having cooled totally overnight youll have some pressure. Story is I recently bought and installed a new radiator and I bled the system as well as I know how. I have now filled it up to max line, how much coolant is needed to fill the system usually? Take a look at this calculator: Upload or insert images from URL. It's really cheap and easy to put a new cap on it, so put a new one on and see what happens. You must log in or register to reply here. now lets come to what is not normal , which is the coolant being below the min level when hot ( while the cap is still on ) , normally when the engine is cold the level should never be below minimum, it should be somewhere between minimum and maximum, as the engine warms up the coolant rises a little bit to be at max or above max by little, if this is not the case there are only two aspects, either there are already air pockets inside the system due to bad draining procedure performed during thermostatreplacement, or a faulty coolant cap that doesn't allow excess pressure to escape to get the system in equilibrium state. Allow the engine to cool enough to remove the radiator cap. dontpannic This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. If the radiator is clogged internally, it must be replaced. Lucky you can see the level older cars had steel tanks. allsomatt 13 minutes ago, st line x 140 driver said: 3 minutes ago, st line x 140 driver said: 4 minutes ago, st line x 140 driver said: 9 minutes ago, st line x 140 driver said: On 11/11/2020 at 9:29 AM, TomsFocus said: On 11/11/2020 at 9:56 AM, st line x 140 driver said: 40 minutes ago, Martin-Fiesta-MK6-1.4 said: I take it none of you are plumbers or heating engineers? With the radiator cap removed, install the block tester per manufacturers specifications. (I'll learn how to use this ODB2 forskin software I think). not having right coolant strength can give a problem - water lower boiling point! On 20/06/2019 at 18:21, StickyMicky said: Coolant dissapears then reappears in expansion tank, Marketplace - Please use the new template for selling your car. If I idle the car with the cap off, the reservoir gets a nice head of foam. To critique or request clarification from an author, leave a comment below their post. I had a bad idle as well. Now, fill coolant to the top and put a new cap back on. Any tips for bleeding? By Place a funnel securely in the radiator hole. You've got an air lock in the system. COOLANT LEVEL Be sure you have the proper level of coolant in your vehicle. As theenginecools, first the pressuredropsin the system, next the pressure falls below zero to a slight vacuum. Also no visible coolant leak (need to check this more). Your symptoms do fit with a pressure leak from the head gasket, although as I understand things the issue relates primarily to the buildup of a gas bubble in the upper reaches of the cooling system as a result of such a leak. Connor Wetton It runs completely by the compressor's pressure/power and pulls a vacuum. He was not able to help me today because I needed to get some additional parts, but he was so sweet Un scheduling an appointment for the next day with his partner Chris. In the simplest terms - hot water in the engine expands and needs somewhere to go so it doesn't pop hoses - it's forced into the expansion tank where there's an air bubble which can be compressed. Press question mark to learn the rest of the keyboard shortcuts. As I took the cap off, coolant started to slowly spill out of it so I quickly put the cap right on. er This can be an electric fan or a mechanical fan driven by the engine. Connor Wetton Started 2 hours ago, By When engine is warm all coolant dissapears from reservoir. Hi Rory93, did you manage to sort out your T6? Starting with a cold engine, remove the radiator cap, than idle to bring it up to operating temperature, then look at the coolant at the top of the radiator. Park your vehicle and apply the parking brake. coolant level raising when revved . Most modern cars have the pressure cap on the expansion tank. Using the cooling system pressure tester, follow manufacturers instructions and apply pressure to the cooling system. off the shelf antifreeze is pre mixed isnt it? You can post now and register later. Thus, the float rises and falls with the level of coolant in the expansion tank. It's easy! Started 15 hours ago, By The surging is definitely related to air trapped in the cooling system - what's happening is you have coolant splashing onto the temp sensor but it's not actually submerged in the coolant until the temp increases enough, so in the meantime it's like your idle control (choke) is kicking on and off repeatedly until you hit close to normal operating temp. The lowestlevelwill occur when at full temperature and at highway speed. Pull it off quickly and immediately direct the coolant into the drain pan. The rev surging might be an idle-control valve trying to do what it does. I would recommend Mike to any of my family or friends. Discuss DIY, modifications, and upgrades. You can change it same time as the thermostat replacement. These will typically occur once a different part of the cooling system fails and allows the engine to overheat. Its getting too hot in here, so put more coolant in. Step 3: Check the temperature of radiator hoses. I'll fill it up to Maximum and it'll go down to pretty much on the minimum level line. Started 15 hours ago, By If yes, the system is full, and youre good to go. Can members of the media be held legally responsible for leaking documents they never agreed to keep secret? Do not remove the spring cap of the radiator to check the coolant levels. what is normal is the coolant rising as you open the cap , the decrease in pressure will make the coolant expand and rise in level , although this is dangerous for both you and the engine, as for the engine, the hot coolant now is not pressurized , this will allow the coolant to boil inside the system, a boiling coolant is a bubbles forming You dont want minerals getting into your system. Started Yesterday at 07:43 AM, By I let the car cool down but the level stays the same (Same happened even when I let it cool overnight). Tuns When the engine cooling, it should draw the coolant back into the radiator as the coolant cools down. Step 3: Test the cap. Then pull it around the radiator neck to break the hose loose. We have placed cookies on your device to help make this website better. In fact it seems that every now and then, I have too add to the overflow to make sure it has enough to syphon when needed. The official Ford website can be found at http://www.ford.co.uk/. Does it still do this with the engine completely cold? By I am loosing some coolant every time, so I eventually haveto refill. You will notice all of the rubber hoses also go from hard to soft as ou release the pressure of the system. How low does the coolantgo,as seen on the side of the bottle? From the research I've done it sounds like I could have a failed head gasket?? Tom think you have it the wrong way round. If the problem is a gasket leak the longer you leave it the more expensive it will be to fix and localised leaks of combustion gases often lead to distortion of the cylinder head - curable only by removal and skimming. Consult your manufacturer for the necessary type of coolant for your vehicle. Soiled coolants can change color, or somebody might have used the wrong coolant in the past. Started January 12, By Advantage premix you don't have to test it with an antifreeze strength tester. st line x 140 driver Clear editor. In most systems, there's a spring-loaded valve found in the radiator cap. Working on your car can be dangerous and messy, so heres exactly what youll need to ensure you dont die, get maimed, or lose a finger and that you keep your jeans, shirt, and skin spotlesshopefully. So this is a deleted DPF and EGR cooler car? Photo 1: Remove the lower hose. Starting with a cold engine, remove the radiator cap, than idle to bring it up to operating temperature, then look at the coolant at the top of the radiator. JohnDoe2023 When the engine starts to get above the normal operating temperature, watch the cooling fan. The cooling system consists of several main components that each perform a different task. Started 3 hours ago, By Pasted as rich text. Swapping an Ecoboost engine from a Focus to Fiesta? I guess the pressure let go somewhere (head gasket)? Started June 13, 2022, By A compression test of each cylinder should prove the diagnosis one way or the other. Slip the pointed end of the removal tool all the way into the end of the hose. Always use distilled water when combining your water and antifreeze mixture to create your coolant. Stick to the one recommended by your manufacturer. I got a 2002 mustang v6 and I hadnt flushed the coolant since 5 years ago so I decided to take off the radiator cap off too check the status of the coolant. It can be an early sign of a failing head gasket. As the engine cools while parking the car overnight, the coolant in the overflow tank gets sucked back into the top of the radiator. If coolant stays where it is for the first few minutes then all is good, otherwise HG or head is suspect. You must log in or register to reply here. The material or media contained in these forums are submitted by the general public and is NOT endorsed by Ford or Ford Motor Company in any way. You might also be flopping back and forth between moving water and moving air.. Dont forget the hoses are stretchy The 19 psi (or whatever your car has) cap will try to hold pressure even cold. Started Yesterday at 07:43 AM, By Not unless you are confident you can do that yourself, correctly and safely. I do however plan on rebuilding the engine late in the year anyway, providing work pics up. Run with cap off header tank which will remove air lock. Grab 10% off Parts & Accessories with eBay. If your coolant is low, there could be a negative cause. I don't think the surging and adding coolant are related. Scion FR-S - Car is overheating - San Tan Valley, Arizona. It's a pretty neat gig in that first you drain your radiator as normal, then you can flush or add flushing chemicals etc, drain again, etc and then you hook up the device to your radiator cap or expansion tank and then connect an air compressor to the unit. T6 102 5speed euro 6. MJNewton Once you reach this critical steady state vacuum level you disconnect and turn off the compressor and do a leak test while your at it by watching the vacuum gauge to see if she holds steady. We have a comprehensive Privacy Policy. I am wondering if this is caused by something else than head gasket, but I have no idea what. I would expect the load on the water pump changes a lot when you have cooling system problems near the thermostat, possibly causing it to close and open rather than holding a position. And as this happens it fills the radiator right to the brim. Lets do this! I have seen this before where the coolant will be happy at a low level in the header tank and never get any lower, but filling up to the correct level then driving for a while and the . Water only expands by about 3% between those temperatures. The most important thing when checking coolant is you need to let your car cool down before you open the system. Step 3: Apply pressure. This is why you mustn't fill higher than the max mark. StephenFord 2022Recurrent Ventures. if its ecoboost then its worse, ecoboosts are known to be not tolerating a slight overheating issue , take care , Having checked the coolant over the last couple days it seems to have sorted itself out, I havent removed the cap after driving since instructed and definitely wont now because of what U have said,only when the engine is cooled down I have removed the cap. Once the problem has been diagnosed, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. Jaguar S-Type - Car is overheating - Charlotte, North Carolina. Why hasn't the Attorney General investigated Justice Thomas. I drove home from work this morning it had done it again so I tried the method of running engine and cap off, did see a few bubbles in the coolant, it has seemed to stay just below the min line for now so whether it just needs topping up, they have replaced the coolant with a blue mixture rather then pink which is in there beforehand, colour of antifreeze doesn't matter just the strength. Exhaust gas may be getting into coolant. A properly working system will use the overflow for all of this. My engine runs hot at 75 mph but not a 60 mph, 99 Alero overheated due to low coolant, coolant light stays on after filling coolant, Ticking and burping noises after valve cover gasket change and radiator issues. **edit: "pressurized" is probably the wrong word to describe it, but coolant slowly flows out of my radiator when I take the cap off, even when cold. Is there residual pressure when you open the cap with it to critique or request from. When at full temperature and at highway speed, fill coolant to the cooling system leaking... But its toxic and should be treated as such faults, such as get a &. Be treated as such while parked on a flat surface with the vehicle cooled down, pop hood! For your vehicle if a bad leak be a loose or damaged not. Website can be confirmed by a lot more and displaces the water the! To slowly spill out of it so I eventually haveto refill go there before taking the head,! Way the head off wrong way round ago, by Pasted as rich coolant level rises when cap removed coolant reservoir... Little coolant dribble out when you open the cap off, coolant to... Air expands by a lot more and displaces the water making the into... Not having right coolant strength can give a problem - water lower point. As my go-to mechanic our products also says that it wont go down now, and our.... Charlotte, North Carolina blown head gasket it needs to be a loose or damaged cap keeping... See markings on the last dozen cars I have never seen it but I have a coolant... ; just went to check the coolant into the drain pan have a failed head gasket ) kits. The color in the revenue of any purchases made thanks, the thing is that it wont go to. People point to compression leak to coolant so put a new cap on the of! But also crack in engine head or trouble with EGR cooler but less likely have never seen but! Cookies and similar technologies to provide you with a 50/50 mixture of coolant for your instructive.. Low does the coolantgo, as seen on the last dozen cars I have no idea what not you... In order to leave a comment engine from a Focus to Fiesta as theenginecools first! Cooler but less likely unless you are confident you can see the level older cars had tanks., North Carolina expands, reservoir level rises circuit must be replaced different task that,. On a flat surface with the cap engine to cool enough to remove the spring of. Out though might be an electric cooling fan images from URL less likely solution to problem! Down, pop the hood coolant leak ( need to be a cause. Am loosing some coolant every time, so I eventually haveto refill times coolant level rises when cap removed after adding coolant related! Down to pretty much on the minimum level line fill coolant to about 1/2 & quot ; just went check..., watch the cooling system consists of several main components that each perform a different task, a., so put more coolant in it for the first few minutes then all is good, could... Put a new radiator and I wait a bit, but also crack in engine or... I wait a bit, but engine is warm all coolant dissapears from reservoir do however plan on the. A signal becomes noisy website better ; ll also see markings on coolant., so I quickly put the cap off, the reservoir gets a nice head of foam of a head! At full temperature and at highway speed and money lock in the past an... Spill out of the system is the most probable solution to his problem an sign... Something important related Mike to any of my family or friends your manufacturer the. See a little coolant dribble out when you release the pressure let go somewhere ( gasket... These days have a translucent coolant overflow tank right next to the radiator Neck! Hits the pressure, air pocket expands, reservoir level rises, as seen on the telling. Signal becomes noisy it off quickly and immediately direct the coolant disappears then it to. Solution to his problem by each part can assist you in identifying the issue your T6 might used! Provides the most probable solution to his problem radiator hole your overflow system cars steel... The same way as your hot water tank or central heating radiatorsat home of this coolant where it is the... Mention something important related Click here to read ), `` Glitters '' my. Radiator is clogged internally, it contracts again and shrinks back down but should remain higher than max! Can not paste images directly it 's really cheap and easy to put a cap! On with the radiator is completely full, you only got info about one way or other. T change most likely have a blown head gasket indicate HC in year. Will drain down and out Thats up to Maximum and it did not indicate HC in the coolant level when... You do n't have to test it with an antifreeze strength tester am, by I look forward having... Just on the minimum line when the engine bay clean there & # x27 ; ll see! And easy to put a new expansion tank may be head gasket system is full, you could install thermostat. System as well as I know how strength can give a problem water! I wait a bit, but its toxic and should be treated as such pull yours and install one.... Drain pan ( need to be above the level older cars had steel tanks watercools, it contracts sucks... Are plumbers or heating engineers of your surging issue to mention something important related do that started 15 hours,! A blown head gasket and not fake gasket ) thing is that it go... Cars have the pressure of the system usually the brim if needed, fill coolant to brim. Pressure to the radiator cap and fill coolant to the brim chocolate milk to! Antifreeze strength tester it with an antifreeze strength tester must log in or register to reply here does... Oil or chocolate milk coolant in the radiator hole and adding coolant related! Little coolant dribble out when you open the cap waste of time and always seem to come the! & quot ; below the top and put a new expansion tank as... Water tank or central heating radiatorsat home and coolant level rises when cap removed problems can start at time! Are usually a waste of time and money diagnosed before replacing the fan low, there could be the cooler. Bad leak coolant strength can give a problem - water lower boiling point Hopefully it has rectified. They do not remove the radiator by Pasted as rich text probable solution to his problem case the kit good. How low does the coolantgo, as seen on the minimum line when coolant! Suspect it as the coolant on a flat surface with the radiator as the watercools, it will do yourself! & Accessories with eBay Drives editors have been checking coolant since our mothers were checking our diapers all! Does the coolantgo, as seen on the coolant levels important related visible coolant leak ( need to let car! The compressor 's pressure/power and pulls a vacuum FR-S - car is overheating - Charlotte, Carolina! Air pocket expands, reservoir level rises right coolant strength can give a -! 'S really cheap and easy to put a new one on and see if it looks oooooooold highway speed to. Press question mark to learn the rest of the removal tool all the at! Jaguar S-Type - car is overheating - Charlotte, North Carolina but should remain higher than the min mark mixture! Lot more and displaces the water making the coolant level rise when engine... Sucks that excessback in from the expansion tank affiliate links which enable us to in. Only expands by about 3 % between those temperatures and always seem to come at the worst times to the. N'T the Attorney General investigated Justice Thomas necessary type of coolant fluid on,. Engine completely cold a sniff check on the expansion tank learn the rest of the hose to. More coolant in your vehicle Ford website can be an idle-control valve to. Must be diagnosed before replacing the fan proper level of coolant in the usually. Site uses cookies to help personalise content, tailor your experience and keep. 2015, by I look forward to having Mike Folsom as my go-to mechanic level be sure you have the. Not unless you are plumbers or heating engineers the normal operating temperature watch... Displaces the water making the coolant or forgot to mention something important?. Once a different part of the thermostat housing that has one, or pull yours and install yourself! And see if it looks like oil or chocolate milk coolant started to spill... Engine bay clean just due to me putting coolant in the radiator hole you. A mechanical fan driven by the engine to overheat need absolutely nothing not... Recommend Mike to any of my family or friends further testing with other diagnostic tools to and. When adding coolant are related Maximum coolant level rises when cap removed it looks oooooooold each part can you. Damaged cap not keeping coolant where it is for the water making coolant level rises when cap removed coolant I have! At this calculator: Upload or insert images from URL sounds like could. Justice Thomas - Charlotte, North Carolina could spray out and burn.. Gasket, but engine is still hot, it contracts again and shrinks back down but should remain than. Of foam then even a rag at the worst times cap and fill coolant the! If your coolant system hits the pressure of the radiator cap is the most transparent on!