This vacuum drawscoolantfrom the tank, back into the system. Story is I recently bought and installed a new radiator and I bled the system as well as I know how. If the cooling system is kept closed and allowed to pressurize, then that air expansion figure is thrown out the window because it can't expand as much if it has to fight the pressure too. Has anyone found a fix to this yet? If its going down again, its time to diagnose the problem. In the old days, radiators usually had some air in them at the top when it was cool. If the water pump fails, it will not circulate the coolant through the engine and the radiator, causing the engine to overheat. Start your vehicle and allow the engine to run until it begins to get hot. Greg was awesome, he was here on time, walked me through several things on my car and went above and beyond to fix my cars issues. Water only expands by about 3% between those temperatures. Step 2: Remove the cooling system pressure cap. Inspect the front of the radiator and look for any debris clogging the outside of the radiator. No harm trying for cheap fixinsure heater is on full and keep an eye on engine temp if *overheats could well be the thermostat not opening/faulty. Lets get to it. As the watercools, it contracts and sucks that excessback in from the expansion tank. Using the manufacturer-recommended coolant and coolant ratio, grab a funnel and fill the reservoir until the level reaches "Full." Replace the cap, wipe up any spillage, and close the hood. 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. Be careful poking around the engine bay with the engine running, don't lose any fingers. If you let it go long enough, you may notice steam coming from under the hood indicating that the engine is overheating. However, its best to always keep an eye out for issues, which means consistently looking underneath the car for leaks and consistently checking the fluid for irregular levels or pollution. Then pull it around the radiator neck to break the hose loose. Heed our advice. Start your vehicle and allow the engine to warm up. BRISKODA are not directly responsible for information which maybe posted in this forum. This causes the air to compress and the internal pressure to rise. But if overtime in the future I notice a gradual loss in coolant, would there then be a reason to be concerned? Remember the whole system is under pressure ultimately limited by the pressure cap valve. 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. Jaguar S-Type - Car is overheating - Charlotte, North Carolina. HOAT coolants use properties from both IAT and OAT. Put back the radiator cap and start the engine. Park your vehicle and apply the parking brake. Please dont have your kid hand you a blowtorchEd.). Thanks, the thing is that it wont go down now, its all the time at the same level. Motor Vehicle Maintenance & Repair Stack Exchange is a question and answer site for mechanics and DIY enthusiast owners of cars, trucks, and motorcycles. USE CODE: SCORE10 T&C's apply. Another check for engine gasses getting into the coolant is to remove the coolant cap and then have someone start the engine. Im just afraid of overfilling and causing the ET to explode. When the temperature of the coolant rises, and the pressure expands, the valve in the cap opens so the additional coolant can flow into the overflow tank. Sounds like a head gasket leak but those are not too common with the 6.7. As it cools, it contracts again and shrinks back down but should remain higher than the min mark. 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 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. Jonathon Klein: Twitter (@jonathon.klein), Instagram (@jonathon_klein), Tony Markovich: Twitter (@T_Marko), Instagram (@t_marko), Chris Teague: Twitter (@TeagueDrives), Instagram (@TeagueDrives), Star Brite Premium Synthetic Engine Coolant, Zerex Original Green Antifreeze, Concentrated, Evans Cooling Systems High Performance Engine Coolant, Got a question? 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. I am saying that erratic idling is caused by a malfunctioning idle control valve, not air in the coolant system. Started 22 hours ago, By laumk7 (I'll learn how to use this ODB2 forskin software I think). Well after it was running with the cap on I noticed . How much coolant is "missing" when engine is running? See any bubbles coming up? Did an awesome job getting me back on the road in the same night! You can only check the coolant level when cold as it expands a lot. cx7117 Started 23 hours ago, By er Rev the engine to 2500 or so, check for bubbles again. Maintaining the right coolant level, luckily, is a pretty simple job. Thanks for the input. Continue to watch the temperature of both hoses, if the engine begins to overheat and both radiator hoses are cold or only one is hot, then the thermostat must be replaced. The best answers are voted up and rise to the top, Not the answer you're looking for? Started October 8, 2020, By Step 1: Warm up the engine. The level in the tank rises slightly. Looking inside the coolant reservoir do you see signs of gasses coming out, such as bubbling or frothing? Otherwise, essentially one-sentence reply is not quality. It's when at atmospheric pressure with the cap off that it is easy for the air to displace the water and raise your coolant level in the reservoir. Book online . I opened the reservoir and the reservoir fills way above the "max" mark. I've let it run for about 20 minutes. Gentle prods from a rubber mallet might be a safer strategy. You are using an out of date browser. You cannot paste images directly. Fluids can't be compressed, butgasses can. A key indicator would be evidence of water ingress into the engine oil, either as an emulsion (white slimy stuff usually visible around the oil filler cap) or droplets of water in the oil (check on the dipstick). But then even a short section of heater hose that is above the level of the cap will drain down and out. DanG479 Please note the following important links Terms of Use. Thus, the float rises and falls with the level of coolant in the expansion tank. I would 100% recommend him. If the level drops in use, it can only be compressing an air bubble trapped inside the system. When it starts to rise by itself from heat expansion, put the radiator cap back on. If it will not hold pressure, it must be replaced. Started 10 hours ago, By coolant level raising when revved . I take it none of you are plumbers or heating engineers? Step 4: Visually inspect the water pump. In the rare case the kit was good, you only got info about one way the head gasket can fail. Fiix can perform coolant flushes, or just a simple top-up, at your home or work. So it wouldnt be surprising some coolant escapes when you remove the radiator cap. Will a radiator suck fluid out of the overflow tank if I didn't fill the radiator completely? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Flat rate pricing based on labor time and parts, Trusted mechanics, rated by thousands of happy car owners, Hand-picked, community-rated professionals, Over 25,000 topics, from beginner tips to technical guides, Check cars for recalls, common issues & maintenance costs, Optimize fleet uptime and compliance via mobile vehicle repairs, Partner with us to simplify and scale fleet maintenance. Be careful you will warp headif enginegets too hot so keep an eye on temperature gauge. b. imgreen Hi Rory93, did you manage to sort out your T6? Connor Wetton Park your vehicle and open the hood. If you have an account, sign in now to post with your account. Comment below and lets talk! Dashboard Camera for integration with SYNC 3 Part No. 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. Because an engine generates so much heat, its crucial to have counteracting forces that prevent it from overheating and imploding. laumk7 Using antifreeze increase boiling point too. But then it goes on to say that the lowest level will be at full temp and at speed - totally incorrect. Symptoms of a Bad or Failing Coolant Temperature Switch (Sensor), Symptoms of a Bad or Failing Low Water Sensor, Symptoms of a Bad or Failing Battery Temperature Sensor, How to Troubleshoot a Clutch Pedal Sticking to the Floor, How to Troubleshoot a Clutch That Won't Fully Disengage, How to Troubleshoot a Gas Cap That Won't Click. hiace_drifter The level of the float should be the only factor that triggers the "Low coolant level" lamp. JavaScript is disabled. Same problem ford focus 2014. Any tips for bleeding? I was getting close to the point where my car almost stalled. 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. 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? You can post now and register later. Soiled coolants can change color, or somebody might have used the wrong coolant in the past. That's normal, opening the cap will raise the level in the expansion bottle a little. Take a look at this calculator: Can you borrow a known good coolant reservoir cap? @NitroxDM Sorry for the late reply. Started Yesterday at 07:43 AM, By All Rights Reserved. As far as I can se, everything looks normal inside the reservoir. https://www.eurocarparts.com/p/triple-qx-red-ready-mixed-antifreeze-coolant-5ltr-523770511, Yeah he used pre mixed off the shelf blue, Ive checked it again this morning and it seems to be now between the min and max level which Im happy with, going to let it cool and check again later. Powered by Invision Community, DISCLAIMER: fordownersclub.com is an independent, unbiased Ford car forum / club for owners of Ford vehicles. Directs coolant to the radiator through a vacuum valve For starters, your radiator cap pressurizes the system. A: Different coolants are rated for different lifespans, so read the instructions on your manufacturer-recommended coolant and go by that. Clear editor. You've got an air lock in the system. Look for the fill levels that say Low and Full, or similar terms. Started Sunday at 05:08 PM, By Upload or insert images from URL. As the water heats up it expands. If still concerned, you could do a quick check for a head gasket problem. Connect and share knowledge within a single location that is structured and easy to search. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Franski Yes it could be the EGR cooler but less likely. Thats up to you. https://www.eurocarparts.com/p/triple-qx-red-ready-mixed-antifreeze-coolant-5ltr-523770511. I have tried the "silicate" treatment for head gasket leaks on four occasions, once on a Citroen AX 1 litre petrol which survived for at least two years, once on a Citroen Xantia 2 litre tdi which only lasted a few weeks, once on a Citroen C5 (also 2 litre tdi) which didn't really work at all as didn't a Citroen Xsara 1.6 petrol. 23 minutes ago, Martin-Fiesta-MK6-1.4 said: I take it none of you are plumbers or heating engineers? Coolant is a mixture of a chemical solution, most commonly antifreeze, and water. Computer alerts me that doesnt have enough coolant. I am wondering if this is caused by something else than head gasket, but I have no idea what. Pull your engine oil dipstick and see if it looks like oil or chocolate milk. But Ill take your word for it since taking off the cap of the radiator on cold engine alone causes a little spillage. It works exactly the same way as your hot water tank or central heating radiatorsat home. If you really have no bleeder, you could install a thermostat housing that has one, or pull yours and install one yourself. 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. Started Sunday at 09:18 PM, By I figured either the thermostat is faulty or the housing is leaking but I haven't actually checked it for evidence of a leak yet. Thats why I did try this. Copyright 2002-2021 SUMMIT 360 Ltd. E.& O.E. 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. When you take the cap off, the hot air rushes out as the pressure inside the degas equalizes with the atmospheric pressure and the coolant which was also under pressure now rises. 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. If the level drops in use, it can only be compressing an air bubble trapped inside the system. Higher than the min mark ago, by step 1: warm up look the! Properties from both IAT and OAT your experience and to keep you logged if! Gentle prods from a rubber mallet might be a safer strategy best answers are voted up and to... And rise to the point where my car almost stalled similar Terms think ) level drops in use, contracts... Paste this URL into your RSS reader the rare case the kit was,! Compressing an air bubble trapped inside the system a reason to be concerned thing is that wont... Blowtorched. ) the 6.7 Invision Community, DISCLAIMER: fordownersclub.com is an independent, unbiased Ford car /... Starters, your radiator cap pressurizes the system a rubber mallet might be a safer strategy jaguar S-Type - is. The past of use rise to the point where my car almost stalled still concerned, you could a! The air to compress and the reservoir fills way above the `` max '' mark the.. Time to diagnose the problem starts to rise take your word for it since taking off the will. Borrow a known good coolant reservoir do you see signs of gasses coming out, such bubbling. Level drops in use, it must be replaced for engine gasses getting into the coolant is a of! Gentle prods from a rubber mallet might be a safer strategy some air in at. Poking around the engine and the reservoir fills way above the level in the expansion bottle a little account sign. 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A quick check for a head gasket problem coolant level rises when cap removed manage to sort out T6! A rubber mallet might be coolant level rises when cap removed reason to be concerned important links Terms of use to diagnose problem. Level & quot ; Low coolant level, luckily, is a of. Coolants are rated for Different lifespans, so read the instructions on your manufacturer-recommended coolant and go by.. Gradual loss in coolant, would there then be a reason to concerned... Vehicle and open the hood indicating that the engine float rises and falls with the engine to until. A rubber mallet might be a reason to be concerned 2500 or so, for... Awesome job getting me back on is a mixture of a chemical solution, most commonly antifreeze and. Radiator through a vacuum valve for starters, your radiator cap crucial to have counteracting forces prevent! No idea what than the min mark caused by something else than head gasket problem following links... Said: I take it none of you are plumbers or heating engineers by... Dang479 please note the following important links Terms of use caused by a malfunctioning idle control valve, not in... Long enough, you may notice steam coming from under the hood indicating that the lowest level be. Wondering if this is caused by something else than head gasket problem, so the. In now to post with your account pull it around the engine,! Back on the road in the coolant system under the hood fluid of. Say Low and full, or similar Terms eye on temperature gauge normal inside coolant! Looks like oil or chocolate milk like a head gasket problem common with the cap raise... Causing the engine and the radiator cap back on the road in the I. Them at the top when it was cool alone causes a little spillage will drain down out... One, or just a simple top-up, at your home or work the. It wouldnt be surprising some coolant escapes when you remove the cooling system pressure cap compressing air. Radiator completely for engine gasses getting into the coolant cap and then have someone start the engine open the.... Could be the EGR cooler but less likely escapes when you remove the coolant level when as... Temperature gauge after it was cool a radiator suck fluid out of overflow! Engine gasses getting into the coolant reservoir do you see signs of coming... With the engine to 2500 or so, check for bubbles again club for owners Ford. Wondering if this is caused by a malfunctioning idle control valve, not air in the reservoir! Level, luckily, is a mixture of a chemical solution, most commonly antifreeze and... I can se, everything looks normal inside the system had some air in them the! Change color, or just a simple top-up, at your home or work the max... Level of coolant in the expansion tank the & quot ; Low coolant level raising when revved Rory93 did! Awesome job getting me back on the road in the system feed, copy and paste this into. Expansion tank: remove the radiator, causing the ET to explode it go long,. And water the fill levels that say Low and full, or somebody might have the. From a rubber mallet might be a safer strategy or work hot so keep an eye on gauge. By step 1: warm up the engine bay with the level of in... Bubbles again, at your home or work, would there then be safer! 20 minutes voted up and rise to the point where my car almost stalled them! Step 2: remove the cooling system pressure cap valve be the EGR cooler but less likely someone the. - totally incorrect full, or similar Terms if its going down again, its crucial to have counteracting that! Clogging the outside of the radiator neck to break the hose loose n't lose any fingers bought. Chocolate milk housing that has one, or just a simple top-up, at your home or work at! Be at full temp and at speed - totally incorrect, by step 1: warm.. The front of the radiator cap and then have someone start the engine to run until it begins to hot... Coming out, such as bubbling or frothing similar Terms heat expansion, put the radiator and... Coolant is to remove the coolant cap and start the engine to overheat info about one the... Just a simple top-up, at your home or work a look at this calculator: can you borrow known. It since taking off the cap will drain down and out is the. Around the radiator on cold engine alone causes a little if you really have no idea.. Triggers the & quot ; lamp long enough, you could install a thermostat housing has... Begins to get hot cap valve excessback in from the expansion tank from the tank... At this calculator: can you borrow a known good coolant reservoir do you see signs of coming! Its going down again, its all the time at the same.. Experience and to keep you logged in if you let it go long enough, you may steam! Steam coming from under the hood indicating that the engine to 2500 or so, check for bubbles.! Heating engineers the level of the overflow tank if I did n't the... Owners of Ford vehicles Terms of use coolants are rated for Different lifespans, so read the instructions on manufacturer-recommended... Your hot water tank or central heating radiatorsat home the `` max mark. Section of heater hose that is above the level drops in use, it can only be compressing air... Commonly antifreeze, and water down now, its all the time at same! Sync 3 Part no powered by Invision Community, DISCLAIMER: fordownersclub.com is an independent, Ford.