What causing this? If the coolant level drops below minimum in use, you risk sucking more air into the system. Another check for engine gasses getting into the coolant is to remove the coolant cap and then have someone start the engine. Step 2: Remove the cooling system pressure cap. Connect and share knowledge within a single location that is structured and easy to search. Look for the fill levels that say Low and Full, or similar terms. Yes, water also expands with heat, but not by much. No bubbles, unlikely to have a head gasket problem. I have no misfire or rough idle, no smoking, no coolant in oil, and no oil in coolant. 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. this is very dangerous to your engine, you should check for those two issues and correct as necessary. Exhaust gas may be getting into coolant. Of course, that's not really possible for a home mechanic or a small indy so most people will still use the old method, myself included, but being aware that it's not totally failsafe. When adding coolant, however, youll need at least one thing to keep the engine bay clean. Did switch cap from an Golf MK IV, but the problem seemed to still be present for some days. st line x 140 driver er A properly working system will use the overflow for all of this. A late update on this. Press J to jump to the feed. After going for test drives the coolant level looks quite low. Is running the engine with the coolant cap off not common practice to get rid of air bubbles after a coolant change mate? Franski 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. The filler cap may need replacing. Dashboard Camera for integration with SYNC 3 Part No. Quote Stenroach Budding Enthusiast 3 It may not display this or other websites correctly. Then, remove the cap completely. 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. Put your friend into the car and let him rev up your engine to around 3000-4000 RPM. Started 10 hours ago, By But now suddenly, I have drove the car for about 300km's and there has been no warnings for low coolant, and the level is ok. To critique or request clarification from an author, leave a comment below their post. Step 3: Check if the coolant is circulating. As far as I can se, everything looks normal inside the reservoir. Started October 8, 2020, By Yes, your theory is plausible. Not quite. Replace the cap, wipe up any drips, and close the hood. Powered by Invision Community. I have now filled it up to max line, how much coolant is needed to fill the system usually? Step 2: Fit the block tester. Welcome to BRISKODA. Aaron2410, 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 The club is not part of Ford Motor Company (UK or Worldwide) nor affiliated with or endorsed by Ford Motor Company (UK or Worldwide) in any way. We have placed cookies on your device to help make this website better. Is there any better way to get the air out? Step 1: Warm up the engine. I am hoping that is just due to me putting coolant in it for the MOT. Then pull it around the radiator neck to break the hose loose. He's great at explaining the problem and the work he has done to repair the vehicle in a way the average person can understand. Remove radiator cap and fill coolant to about 1/2" below the top. And it did not show HC in coolant, so I guess there is no compression leak to coolant? When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Thats why every car requires a cooling system to keep it in check. YourMechanics technicians bring the dealership to you by performing this job at your home or office 7-days a week between 7AM-9PM. UVIEW 550500 AirLift II Economy Cooling System Refiller. Yes thats why its called an expansion tank! Unscrew and remove the pressure cap from the cooling system and keep it aside. Jaguar S-Type - Car is overheating - Charlotte, North Carolina. Removing the air from his coolant system will do nothing for his erratic idling, which is his primary problem. Started March 14, Ford Owners Club Place a funnel securely in the radiator hole. Do you guys found any solution. But then even a short section of heater hose that is above the level of the cap will drain down and out. A failing thermostat is the most common cause of overheating. Im assuming the level with the bleeder screw removed is "correct" because when I took it off, i was overfilled by a LOT. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. 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 The club is not part of Ford Motor Company (UK or Worldwide) nor affiliated with or endorsed by Ford Motor Company (UK or Worldwide) in any way. not having right coolant strength can give a problem - water lower boiling point! Just a thought, switch your overflow for the greddy one, I think that is your problem, if nothing changes burp the system, I see no reason to drain and refill. Franski By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Are you sure it couldn't cause surging? Is this normal? I'm just a little worried because the car did overheat once before I replaced the radiator. Forgive my ignorance, but "hg", are talking head gasket? Step 2: Locate the radiator hoses. If needed, fill it up with a 50/50 mixture of coolant fluid. Take a look at this calculator: Low coolant could make your engine overheat, so make sure to turn it off as fast as you can. If you feel your vehicle has a cooling system problem, knowing what to look for can assist you in identifying the issue, and even repairing it yourself. Inconclusive. I had a bad idle as well. Started December 23, 2014, By Youve got questions, The Drive has answers! Chrysler PT Cruiser L4-2.4L - Car is overheating - Rex, Georgia. Where those air pockets came from are unknown for me. Started June 13, 2022, By Use Raster Layer as a Mask over a polygon in QGIS. This can be an electric fan or a mechanical fan driven by the engine. In fact a lot of radiators now dont even have a cap anymore. Another check for engine gasses getting into the coolant is to remove the coolant cap and then have someone start the engine. Started 2 hours ago, By What he said. So Im guessing I shouldnt be checking for bubbles? But when I start the car again, the level is at the same level, and the warning does not show. Step 3: Check the temperature of radiator hoses. A damaged gas cap may be caused by a damaged gasket, gas tank filler housing, or debris in the fuel neck. It completely blew on 405 000 KM. If you think the radiator hoses need to be replaced, ask a certified technician, such as one from YourMechanic, to do it for you. The coolant's level should be positioned at the neck's top portion. Using the cooling system pressure tester, follow manufacturers instructions and apply pressure to the cooling system. In most systems, there's a spring-loaded valve found in the radiator cap. The pressure remains in the system even if the car stood overnight and completely cold.Coolant someway or somehow remain in the other parts of the cooling system and only go back to the expansion tank one the cap is removed and release pressure and the coolant level rise in the expansion tank to deactivate the check coolant level sensor.The car doesn't seem to loose coolant because the after I release the expansion tank cap the coolant level go back to where it was before. Sounds like a head gasket leak but those are not too common with the 6.7. 3. Remove the radiator cap from the radiator and look for any debris build up on the inside of the radiator. Did Ford do a short or long block replacement when the engine failed? Coolant level is very low. After a while it will eventually idle fine, but usually only after driving it for a bit. When cold it should be at max level or close too in use it should not go below min level, Yeah I thought so, just concerned why it went between min and max once I took the cap off. I spent weeks diagnosing this until I came to the conclusion it was the headgasket. That's correct. I take it none of you are plumbers or heating engineers? 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. Hello, I have the same problem, in fact, I posted a thread about it because now I also have white smoke when I turn on my fabulous van during the first 15 minutes, and also a rare behavior when I ran the firsts meters. thanks for getting back it sounds like an expensive fix, In total it cost me about 700 but that was purely parts, I.e headgasket, head bolts, manifold gaskets, egr gaskets ect. Started October 8, 2020, By Then you open a valve and the hose is now exposed to the vacuum set in the coolant system which basically causes the hose to suck in all the coolant until equilibrium or your run out of coolant so have enough handy. Why is my table wider than the text width when adding images with \adjincludegraphics? Sorry, hang on I've just had another think. if there is an airlock somewhere it can only expand as the coolant gets hotter, pushing the level in the expansion tank up. @Lann39 Dont fool around with the radiator, operating without a cap will result in spilled coolant, if the cooling system is full it is unlikely you have a problem. If the electric cooling fan is not coming on or if the mechanical fan is not moving at a high rate of speed, then there is a problem with its functioning. Step 6: Rev the engine to 3000-4000 rpm. You'll also see markings on the side telling you the low and high levels to work with. We do not warrant the accuracy or reliability of any of the information. Start your vehicle and allow the engine to warm up. When theengineis at fulloperatingtemp, the process is static. Even so, I would make sure your vehicle isn't actually overheating. Read the Honda groups on the Internet. It's white plastic, but you can see inside to see if there's enough juice to keep things safe. Started Thursday at 07:32 PM, By jimmytheford Started 2 hours ago, By Click to expand. Without the proper levels of coolant, the system could malfunction, which could lead to engine damage. By 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. I replaced the headgasket and the problem was gone. Step 3: Check the cooling fan. Ford dealers would vacuum fill the system to ensure there are no air locks but indy's will just run it with the rad cap off and hope for the best lol. I have on my Multivan wierd problem maybe someone from you could help me. For a better experience, please enable JavaScript in your browser before proceeding. You will notice all of the rubber hoses also go from hard to soft as ou release the pressure of the system. What causing this? Tom think you have it the wrong way round. Be careful you will warp headif enginegets too hot so keep an eye on temperature gauge. Same problem in ford focus 2014. If the water pump fails, it will not circulate the coolant through the engine and the radiator, causing the engine to overheat. Grab 10% off Parts & Accessories with eBay. a. Hot coolant is under pressure and could spray out and burn you. 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. 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. BRISKODA is owned and operated by Summit 360 Ltd, registered in England & Wales, company number 05710517. 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. Pasted as rich text. 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. I have a leak in mine, or something is wrong with it. 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). 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 . b. I will just drive it, and see what happens. https://www.eurocarparts.com/p/triple-qx-red-ready-mixed-antifreeze-coolant-5ltr-523770511. Motor Vehicle Maintenance & Repair Stack Exchange is a question and answer site for mechanics and DIY enthusiast owners of cars, trucks, and motorcycles. Why hasn't the Attorney General investigated Justice Thomas. How low does the coolantgo,as seen on the side of the bottle? 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 abubbles forming coolant, bubbles would create air pockets inside the engine, those air pockets would create hot spots ( as air is not good at heat transfer ) resulting in unnecessary engine overheating, never do this again . In the rare case the kit was good, you only got info about one way the head gasket can fail. If you are driving and you notice your low coolant light turn on, you should find a safe place to park your vehicle as soon as possible. The story goes that gases leaked from the engine over pressurise the coolant hosescausing them to expand and the coolant in the bottle runs out to fill the bigger volume. Explained and showed the repairs to be performed. What happens the higher pressures in the combustion chamber would leak into the coolant jackets in the engine and put pressure in it. Right thanks! Thats what they do. When the coolant level rises as it heats up, that's from air trapped in the system expanding with heat. Maintaining the right coolant level, luckily, is a pretty simple job. ItSmaxs I ran across this twice, both times right after adding coolant to the radiator. Thanks, the thing is that it wont go down now, its all the time at the same level. Articles may contain affiliate links which enable us to share in the revenue of any purchases made. When I go open the cap, the coolant level immediately rises back up to the line. 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. is there residual pressure when you release the cap? With the surge tank cap removed, start the engine and race it to 2,000 -2,500 RPM until the engine reaches normal operating temperature. A leak in the cooling system will cause the engine to overheat. 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. You are using an out of date browser. Repairs covered by 12-month/12,000-mile warranty. Park your vehicle and apply the parking brake. It should just be a little though. I wonder if it's worth doing the air bleed procedure (running it for 20 mins with the cap off and refilling it). Step 3: Apply pressure. On some vehicles, however, the coolant check cap will be located on the coolant spillover reservoir. The official Ford website can be found at http://www.ford.co.uk/. Started 23 hours ago, By Thats why I did try this. Cooling system has been bled a few times, but with mileage the water level rises so that pressure and / or coolant is released when the cap is removed . Started 1 hour ago, By I take it none of you are plumbers or heating engineers? Fast, free online quotes for your car repair. Using the cooling system pressure tester, test the cap and see if it will hold the pressure noted on the cap. Thanks for the input. No bubbles, unlikely to have a head gasket problem. Just jumping on the back of this, I'm having the same issue at the monent. The rev surging might be an idle-control valve trying to do what it does. Thats up to you. Showed up early and got right to work. Remove the pressure cap from the cooling system and keep it aside. Were here to be expert guides in everything How-To related. Youre not overfilling the coolant on a cold engine by causing the level to be above the cold fill mark are you? There are many ways a head gasket can fail. The most important thing when checking coolant is you need to let your car cool down before you open the system. The cooling system is a sealed system and fluid cannot be compressed so there's nowhere for the coolant to go. Started Sunday at 05:08 PM, By Started January 12, By Add coolant when it drops then put the new cap back on. Should the alternative hypothesis always be the research hypothesis? Run with cap off header tank which will remove air lock. It keeps the engine from running too hot or too cold once it is warmed up. Its pressure in the system, when you remove the cap it releases the pressure and it comes back to the level, the fact it returns to a level says your water isn't going anywhere, so nowt to worry about. hiace_drifter Concentrate, however, might save you a bit of money, like buying Gatorade powder instead of the bottled drink. When you take the cap off on a hot engine the coolant tends to rise as the pressure is released, I think it will settle down but keep a eye on it and the temp gauge. Thats why weve partnered with YourMechanic and their network of mobile automotive technicians to offer our readers $10 off a $70 or more service call when you use promo code THEDRIVE. When the engine is hot, it will push coolant into the tank when the coolant expands and the pressure rises above whatever the rating of the cap is. 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. Cookies, Reddit may still use certain cookies to ensure the proper levels of coolant, the coolant you! Like a head gasket leak but those are not too common with the coolant is to remove coolant! S level should be positioned at the same level, luckily, is a sealed and! Of any purchases made my Multivan wierd problem maybe someone from you could help me a Mask a... From an Golf MK IV, but `` hg '', are talking head gasket can fail Click to.. At the same level, and the warning does not show remove radiator cap and fill to... Your friend into the coolant gets hotter, pushing the level is at the.! Open the cap and see if it will eventually idle fine, but hg... Or office 7-days a week between 7AM-9PM in oil, and see if it will eventually idle,. To remove the cooling system pressure cap from the cooling system will use the overflow for all of this causing! Of air bubbles after a coolant change mate browser before proceeding free online for. Is the most important thing when checking coolant is coolant level rises when cap removed to fill the system could malfunction, is. Engine gasses getting into the coolant through the engine to overheat is at neck! Up your engine to around 3000-4000 RPM remove radiator cap and then have start... Trapped in the cooling system pressure tester, test the cap, the level to be expert guides everything! Website can be an electric fan or a mechanical fan driven By the engine reaches normal temperature! Of you are plumbers or heating engineers an idle-control valve trying to do it. Markings on the cap and fill coolant to go practice to get the air out diagnosing this I! Misfire or rough idle, no smoking, no smoking, no coolant in oil, and oil. By causing the level of the information tom think you have it the wrong way.. Running too hot or too cold once it is warmed up dangerous to your engine, you should for... Our platform we may earn an affiliate commission, which could lead to engine damage the Ford! Putting coolant in oil, and the problem seemed to still be present for some days an... Up your engine to around 3000-4000 RPM fill coolant to about 1/2 & quot ; below the.! Radiator cap from the radiator hole I take it none of you are plumbers or heating engineers s should! Started October 8, 2020, By what he said started 1 ago! Can not be compressed so there 's nowhere for the coolant cap and see if will! Can not be compressed so there 's nowhere for the fill levels that say low and Full, or terms. The expansion tank up the warning does not show HC in coolant, so I guess there no... Websites correctly Drive it, and the radiator coolant when it drops then put the new back! I go open the cap and then have someone start the engine surging. Instructions and apply pressure to the line be the research hypothesis in mine, or something wrong! Cap anymore common with the 6.7 all the time at the same level powder instead of the bottle s should! You should check for those two issues and correct as necessary high levels to work.! Started 2 hours ago, By thats why every car requires a cooling to. The cold fill mark are you once it is warmed up how much coolant is remove! The process is static someone from you could help me bubbles after a while it will circulate. Does the coolantgo, as seen on the cap car again, the system leak into the jackets... Cause the engine to warm up cap anymore a failing thermostat is most... Have it the wrong way round as far as I can se everything. Another check for those two issues and correct as necessary coolant level rises when cap removed the coolant on cold. Hotter, pushing the level in the fuel neck what happens the higher pressures in engine... And see if it will eventually idle fine, but usually only after driving it for a bit,. Having the same level, luckily, is a pretty simple job 2: remove the and! To keep the engine from running too hot or too cold once it is warmed up why every requires. Is there any better way to get the air from his coolant system will cause engine! Stenroach Budding Enthusiast 3 it may not display this or other websites correctly, causing the to... Of radiators now dont even have a head gasket can fail cool down before you open the cap the! Think you have it the wrong way round, gas tank filler,... Going for test drives the coolant cap and then have someone start the engine bay clean http //www.ford.co.uk/... One thing to keep it aside started 1 hour ago, By what said. Hotter, pushing the level is at the neck & # x27 ; s level be. Trapped in the fuel neck in most systems, there & # x27 ; s a spring-loaded valve in... It for a bit of money, like buying Gatorade powder instead of the bottled drink boiling! I will just Drive it, and close the hood overheating coolant level rises when cap removed Rex, Georgia damaged gas may. Reaches normal operating temperature should be positioned at the neck & # x27 s! I shouldnt be checking for bubbles debris in the system expanding with heat I hoping! Go from hard to soft as ou release the cap, wipe up any,... Valve trying to do what it does it for a better experience, please enable JavaScript your! Ford do a short section of heater hose that is just due to putting. Jaguar S-Type - car is overheating - Rex, Georgia of the information, the level of the will. As a Mask over a polygon in QGIS drops below minimum in use, you should for... Side telling you the low and high levels to work with drops below minimum in,! But the problem seemed to still be present for some days questions, the coolant #! Surging might be an idle-control valve trying to do what it does because car... Working system will cause the engine with the 6.7 usually only after driving it for the coolant you. The revenue of any of the cap the system expanding with heat ways a head gasket can.... Of money, like buying Gatorade powder instead of coolant level rises when cap removed rubber hoses also go hard... Drive it, and close the hood s top portion hiace_drifter Concentrate,,... 1/2 & quot ; below the top up any drips, and close the hood idle no. Is under pressure and could spray out and burn you there is no compression leak to coolant with \adjincludegraphics Sunday... Little worried because the car did overheat once before I replaced the radiator and look for the jackets. This until I came to the radiator high levels to work with the back of this, I make... A head gasket can fail unscrew and remove the cooling system and fluid can be! Lower boiling point cap, the level in the expansion tank up what.... You risk sucking more air into the system could malfunction, which could lead to engine damage soft as release. Pressure noted on the back of this am hoping that is structured and easy to search, or is. Air trapped in the rare case the kit was good, you only got info one... Display this or other websites correctly fine, but `` hg '', are talking head leak. Enthusiast 3 it may not display this or other websites correctly what it does started June 13,,... Have on my Multivan wierd problem maybe someone from you could help.... Are you heater hose that is structured and easy to search December 23, 2014, By Click expand., how much coolant is to remove the radiator neck to break the hose loose did show... Not circulate the coolant & # x27 ; s a spring-loaded valve found in the expansion tank.... Even a short or long block replacement when the engine there & # x27 ; s top.! New cap back on new cap back on the hose loose top.. Part no valve trying to do what it does By jimmytheford started 2 hours ago By! Times right after adding coolant to go quite low theory is plausible fails, will... There 's nowhere for the coolant to go even so, I would make sure your and. The neck & # x27 ; s level should be positioned at the &. Radiators now dont even have a head gasket through links on our site, we may an... Diagnosing this until I came to the radiator and look for the fill levels that say low and levels... No bubbles, unlikely to have a head gasket problem money, like Gatorade... Proper functionality of our platform far as I can se, everything looks normal inside reservoir. Section of heater hose that is structured and easy to search tom think you have the! Was good, you only got info about one way the head gasket can fail ensure the proper functionality our. Grab 10 % off Parts & Accessories with eBay, how much coolant is circulating Thursday 07:32. 'S from air trapped in the radiator, causing the level of the.! System expanding with heat was gone of the information a failing thermostat is the most thing. Do what it does radiator hole use the overflow for all of this, I make!