Started 1 hour ago, By Thats what they do. How can I detect when a signal becomes noisy? 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. Be careful poking around the engine bay with the engine running, don't lose any fingers. I replaced the headgasket and the problem was gone. To critique or request clarification from an author, leave a comment below their post. Inspect the front of the radiator and look for any debris clogging the outside of the radiator. Your problem may simply be a loose or damaged cap not keeping coolant where it needs to be. 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. A compression test of each cylinder should prove the diagnosis one way or the other. Each of the following components are essential to keep the engine running at the correct temperature. Park your vehicle and allow the engine to cool. Yes it could be the EGR cooler but less likely. 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 you should have one from the factory, but it's possible an aftermarket thermostat housing was installed minus the valve. Why didn't the coolant level rise anything when opening the cap the first time? Also no visible coolant leak (need to check this more). Clutch pedals in manual cars stay on the floor if there's a failed clutch release bearing, slave cylinder, clutch master cylinder, or clutch linkage. Just put more fluid in it will find its own level that's why there is a max and min line on tank. Remove the radiator cap from the radiator and look for any debris build up on the inside of the radiator. Have a good mechanic take a look. After a drive and I wait a bit, but engine is still hot, it will do that. Powered by Invision Community, DISCLAIMER: fordownersclub.com is an independent, unbiased Ford car forum / club for owners of Ford vehicles. Cooling system problems can start at any time and always seem to come at the worst times. If you have a temperature sensor coming out of the thermostat housing suspect it as the cause of your surging issue. Dont forget the hoses are stretchy The 19 psi (or whatever your car has) cap will try to hold pressure even cold. Grab 10% off Parts & Accessories with eBay. No, No and NO your cap regulates pressure if anything the radiator cap is the problem. Just as a friendly tip check out these so called vacuum fillers: Here's a hit on the product at Amazon The low level of coolant won't cause engine surging, nor will air in the system. Cadillac CTS V6-3.6L - Car is overheating - Las Vegas, Nevada, Raymond awesome mechanic fixes what needs to be fixed doesnt bs you extremely knowledgeable super trustworthy dude, Cadillac DeVille - Car is overheating - Indian Springs, Nevada. 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. I would see no signs of coolant out of the exhaust, no external leaks and no loss of coolant. All Rights Reserved. b. Always use distilled water when combining your water and antifreeze mixture to create your coolant. On some vehicles, however, the coolant check cap will be located on the coolant spillover reservoir. When the cap is opened and the pressure is released, the hoses relax and the coolant is forced back into the bottle. USE CODE: SCORE10 T&C's apply. Content on supraforums.com is generated by its users. Park your vehicle and apply the parking brake. dontpannic When I look under the hood it really looks like that. I ran across this twice, both times right after adding coolant to the radiator. 1 Kjetil1Z Members 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. Step 1: Let the engine cool. 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. I would notice I would get cold heat which is why I have tried taking the cap off. At cold engine (3-4 hours after last drive) I filled to a bit under max in reservoir. As the engine cools, the pressure drops and and draws coolant back into the engine from the tank. See any bubbles coming up? Car would sit for a few days. Then pull it around the radiator neck to break the hose loose. Using a 50/50 mixture of GM Dex-cool antifreeze and water, slowly fill the pressurized side (3) of the surge tank until the system is full of coolant. You dont want minerals getting into your system. 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. Step 4: Verify with the Radiator Filler Neck. Thus, the float rises and falls with the level of coolant in the expansion tank. Run the car at idle with the cap off until the thermostat opens, you will see the coolant level drop when it does. You may be driving down the road or sitting at a stop light when you first notice the temperature gauge in your vehicle starting to climb. I was having the same issue. Others also says that it may be head gasket, but also crack in engine head or trouble with EGR cooler. Release the pressure, air pocket expands, reservoir level rises. I love his honesty. Creaking Noise when braking and turning - front wheels, Focus MK3.5 Boot Well Condensation Water Droplets, Rust on 13 plate Fiesta rear arches/ sills. Process of finding limits for multivariable functions. I have had a lot of experience with this issue. USE CODE: SCORE10 T&C's apply. I don't think the surging and adding coolant are related. Mike Sipser and Wikipedia seem to disagree on Chomsky's normal form, New external SSD acting up, no eject option, Sci-fi episode where children were actually adults. Step 1: Locate the radiator cooling fan. The official Ford website can be found at http://www.ford.co.uk/. BRISKODA is owned and operated by Summit 360 Ltd, registered in England & Wales, company number 05710517. 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. You can post now and register later. By With this valve in place, the cooling system remains pressurized without overheating. Jibberish333 What happens the higher pressures in the combustion chamber would leak into the coolant jackets in the engine and put pressure in it. Reddit and its partners use cookies and similar technologies to provide you with a better experience. 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. Same problem in ford focus 2014. Once the radiator is completely full, this expanding hot coolant will overflow into the reservoir. Soiled coolants can change color, or somebody might have used the wrong coolant in the past. Unless you have overheating dont remove the cap again or refill when hot. Story is I recently bought and installed a new radiator and I bled the system as well as I know how. Peep the different types below. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. When the alarm goes of, I open the cap to let air out, and the coolant fills up the reservoir to over "min" mark again, and I can drive 20-30 km's before the same happens. Like engine oil, engine coolant has evolved over the years. As far as I can se, everything looks normal inside the reservoir. It runs completely by the compressor's pressure/power and pulls a vacuum. When theengineis at fulloperatingtemp, the process is static. JavaScript is disabled. As far as I'm aware blue and pink antifreeze don't mix but if they drained it thoroughly then I think you should be ok but best check with an expert! Remember it is supposed to be under pressure. So much confusion over a simple system! Whether you use 50/50 prediluted or 100% pure antifreeze, run the engine for a few minutes with the radiator cap removed, and fill up as the coolant level drops. " Just went to check for any coolant leaks, still looks good. 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. A late update on this. Were here to be expert guides in everything How-To related. They are designed to open at a specific pressure, but it may be releasing at a lower pressure and dumping some of the coolant. RADIATOR CAP Cheap and easy to replace, this is the first thing to check. It works exactly the same way as your hot water tank or central heating radiatorsat home. Step 4: Visually inspect the water pump. Step 6: Warm up the engine. Franski If it will not hold pressure, it must be replaced. I am neither critiquing nor requesting clarification. Coolant also features chemical inhibitors that fight against rust, corrosion, and buildup. When did passport photos become so complicated?? Chrysler PT Cruiser L4-2.4L - Car is overheating - Rex, Georgia. The level in the tank rises slightly. Where those air pockets came from are unknown for me. Most modern cars have the pressure cap on the expansion tank. 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. Tom think you have it the wrong way round. Forgive my ignorance, but "hg", are talking head gasket? Overfilling may cause overflowing. You can also shout at us on Twitter or Instagram, here are our profiles. It's that simple. When adding coolant, however, youll need at least one thing to keep the engine bay clean. When coolant gets hot, it expands and creates pressure within the system. Mine leaked and filled the rear quarter up to the air intake vent behind the wheel arch/bumper area. if you are keeping the system closed (cap on) and running the car (to operating temp. Step 6: Rev the engine to 3000-4000 rpm. Check the Level. A car engine gets so hot that some brave digestion devotees have cooked full-on steak dinners right atop a running engine block. 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. After your coolant system hits the pressure that the caps is designed for the water goes in to your overflow system. The bottle is an expansion chamber which allows the coolant to expand when warmed and return back to normal volume without losing coolant from the system. Vacuum bleeding is the best way to do it, they suck all of the air out, and then connect a coolant hose, the low pressure vacuum in the system sucks the coolant in and it fills every part of the system with no chance of air bubbles. A failing thermostat is the most common cause of overheating. Started October 8, 2020, By While parked on a flat surface with the vehicle cooled down, pop the hood. Running the car and topping up a few times after draining has been the norm for me. I would recommend Mike to any of my family or friends. Well after it was running with the cap on I noticed . Press question mark to learn the rest of the keyboard shortcuts. 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 . Checking your coolant level is one of the easiest things to do because you need absolutely nothing, not even a rag. Swapping an Ecoboost engine from a Focus to Fiesta? imgreen Step 1: Allow the engine to cool. StephenFord Step 1: Allow the engine to cool. If so the coolant will drain down to the radiator and out the open cap. water under pressure also increases boiling point and can compress by 1% which is why you don't use it in hydraulics. For a better experience, please enable JavaScript in your browser before proceeding. 2. Clear editor. Air trapped in a coolant system at atmospheric pressure expands by about 27% when going from 20C to 100C. Maintaining the right coolant level, luckily, is a pretty simple job. Always store it in a safe place out of reach of children and animals, and always clean up spills immediately. I have never seen it but I remember being toldIt can be an early sign of a failing head gasket. What kind of tool do I need to change my bottom bracket? As theenginecools, first the pressuredropsin the system, next the pressure falls below zero to a slight vacuum. I think it's the simplest solution really based on your description of the overflow tank it sounds like your coolant level in the overflow tank is draining into the radiator when you open the cap allowing it to basically force coolant out the top. Should the alternative hypothesis always be the research hypothesis? Clear editor. Click to expand. If I idle the car with the cap off, the reservoir gets a nice head of foam. 2421817. This can be an electric fan or a mechanical fan driven by the engine. Creaking Noise when braking and turning - front wheels, Focus MK3.5 Boot Well Condensation Water Droplets, Rust on 13 plate Fiesta rear arches/ sills. Step 4: Check all the components for a leak. @JuannStrauss, your answer got flagged by the auto-mod system as, Air trapped inside radiator after adding coolant, UVIEW 550500 AirLift II Economy Cooling System Refiller, New blog post from our CEO Prashanth: Community is the future of AI, Improving the copy in the close modal and post notices - 2023 edition, Honda Accord 1997 - Steam coming from small part of radiator, leaking coolant, Coolant light is on even after topping off. It works exactly the same way as your hot water tank or central heating radiatorsat home. I look forward to having Mike Folsom as my go-to mechanic. The cooling system consists of several main components that each perform a different task. 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. Thanks for the input. Otherwise, essentially one-sentence reply is not quality. Display as a link instead, Yeah I will try it this weekend I think. It runs completely by the compressor's pressure/power and pulls a vacuum. Sounds like a head gasket leak but those are not too common with the 6.7. I only recently bought a new one, if I had left the car to cool down would the level had gone back up by itself? This vacuum drawscoolantfrom the tank, back into the system. Started Yesterday at 07:43 AM, By The filler cap may need replacing. Thanks for the input. Fluids can't be compressed so if the coolant disappears then it has to be into a pocket of air. Pull your engine oil dipstick and see if it looks like oil or chocolate milk. Hot coolant expands and would overflow the reservoir when the engine's hotif there wasn't a built in air gap for the coolant to expand into. imgreen Powered by Invision Community. We have placed cookies on your device to help make this website better. Of course it is. https://www.eurocarparts.com/p/triple-qx-red-ready-mixed-antifreeze-coolant-5ltr-523770511. When opening the cap the coolant reappears in the reservoir. I have no misfire or rough idle, no smoking, no coolant in oil, and no oil in coolant. Place a funnel securely in the radiator hole. With pressure applied to the system, inspect all of the components in the cooling system for leakage. Allow the engine to cool enough to remove the radiator cap. This is why you mustn't fill higher than the max mark. Step 7: Check for a dye leak. If the solution is dark, muddy, milky, or soiled, you likely need to do a full flush, and there might be something wrong that you need to diagnose. Start the engine and watch for an indication from the block tester that there are combustion gases in the cooling system. Stick to the one recommended by your manufacturer. I have now filled it up to max line, how much coolant is needed to fill the system usually? You can run the coolant pumps with VCDS, but in my experience it only helps get a bit more coolant in. Welcome to BRISKODA. Took a sniff test now, and it did not indicate HC in the coolant. For a better experience, please enable JavaScript in your browser before proceeding. That's normal, opening the cap will raise the level in the expansion bottle a little. At this point I believe it refills the volume one to one; at the end of it all you should have a refilled coolant system with no air. Started October 8, 2020, By Are Lights the Only Thing the OBD Uses to Warn the Driver of Issues? Started 22 hours ago, By You can change it same time as the thermostat replacement. Engine temperature not as stable after radiator change, Is it possible for air to flow too fast through the radiator? They piddle a little coolant when the cap is opened. Turn Your Car Off. A failing water pump sometimes show signs of leakage such as wetness or dry white or green tracks on it. I guess the pressure let go somewhere (head gasket)? Remove radiator cap and fill coolant to about 1/2" below the top. 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. I took the radiator cap off to take a quick smell of the coolant in the tank (to know what I am smelling for) and the coolant level went from 50% between the bottom of the tank to being about half an inch below minimum (some pressure was released as well). Water will seek its level. Step 3: Check the temperature of radiator hoses. I will continue to bring my car repair needs to Raymond. Well played, I wanted to advise thatbut did not have the time. Connor Wetton I will just drive it, and see what happens. You will notice all of the rubber hoses also go from hard to soft as ou release the pressure of the system. Nope, when the engine is cold, the coolant level is on the cold mark right now, so it isnt over filled, So Im guessing I shouldnt be checking for bubbles? Without the proper levels of coolant, the system could malfunction, which could lead to engine damage. Aaron2410, 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. But Ill take your word for it since taking off the cap of the radiator on cold engine alone causes a little spillage. If it is not opening and closing properly, then it must be replaced by a certified mechanic, such as one from YourMechanic. So this is a deleted DPF and EGR cooler car? As the water heats up it expands. OAT coolant is an improvement on IAT coolant and therefore has longer-lasting additives and generally lasts longer without needing service. If it clogs on the outside, it will restrict the airflow through the radiator and cause overheating. When the coolant rises to the cold fill line, replace the cap and tighten it until you feel it click. Directs coolant to the radiator through a vacuum valve For starters, your radiator cap pressurizes the system. 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). Grab 10% off Parts & Accessories with eBay. I tried again, it's less severe but must still be an airpocket. Park your car, allow the engine to cool and open the hood. If you really have no bleeder, you could install a thermostat housing that has one, or pull yours and install one yourself. Lets do this! Youve got questions, The Drive has answers! Now what I have tried is leaving the radiator cap off and letting the car warm up to try and let the air escape and this looks like it works. If the cooling fan is not functioning, the engine will overheat when the vehicle is not moving and if there is no airflow through the radiator. I dont think this is something to be concerned about. The radiator is under pressure and filled with hot liquid, so it needs to chill before you can open the cap. Look to your radiator cap, overflow reservoir cap, and/or owners manual for the manufacturer recommendation as to which coolant your car requires. not having right coolant strength can give a problem - water lower boiling point! Park your vehicle and open the hood. Step 2: Fit the block tester. Water only expands by about 3% between those temperatures. When the engine starts to overheat, use the temperature gun, and check the temperature of both radiator hoses. My car was already cooled down and it cant be a head gasket problem cause I dont sre white smoke. Our certified mobile mechanics perform over 600 services, including diagnostics, brakes, oil changes, scheduled mileage maintenances, and will come to you with all necessary parts and tools. Not quite. I stopped the car, and level was on the minimum mark, or a tiny bit below (I thougt the warning started sounding a way lower than the "min" mark? Connect and share knowledge within a single location that is structured and easy to search. After a while it will eventually idle fine, but usually only after driving it for a bit. Started Thursday at 07:32 PM, By This could cause the coolant to flow out of the radiator if you do not use the spill tool. Dashboard Camera for integration with SYNC 3 Part No. Does sound like a big airlock to me. You can adjust your cookie settings, otherwise we'll assume you're okay to continue. When your vehicle starts up fine when cold and if the temperature rises until it overheats and does not cool until the vehicle sits for a while, then there may be several different issues with your vehicle. 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. Organizing your tools and gear so everything is easily reachable will save precious minutes waiting for your handy-dandy child or four-legged helper to bring you the sandpaper or blowtorch. Explained and showed the repairs to be performed. When engine is warm all coolant dissapears from reservoir. 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. Upload or insert images from URL. He turned a diagnostic visit into a quick repair of the problem that finally had my 1998 Cadillac DeVille operating correctly again. Started 2 hours ago, By Your previous content has been restored. Started December 23, 2014, By This causes the air to compress and the internal pressure to rise. Take a look at this calculator: If so, then you've still got air in the system somewhere but it's compressed down in size due to the residual pressure. Knowledge within a single location that is structured and easy to search sign of a failing is. Bay clean have now filled it up to max line, replace the cap is.. It cant be a loose or damaged cap not keeping coolant where it to. Cool and open the cap the coolant check cap will try to hold pressure even cold zero! The first time each perform a different task was running with the cap again or refill when hot heating... Rear quarter up to the radiator and operated by Summit 360 Ltd, registered in &! Found at http: //www.ford.co.uk/ longer without needing service poking around the radiator Filler.... Zero to a bit, but also crack in engine head or trouble with EGR.. Always be the research hypothesis was gone but must still be an early sign a. Can change color, or pull yours and install one yourself is full... To change my bottom bracket it was running with the 6.7 I detect when a becomes... Oil or chocolate milk coolant reappears in the cooling system remains pressurized without overheating temperature,... It is not opening and closing properly, then it has to be concerned about by. Each of the rubber hoses also go from coolant level rises when cap removed to soft as ou release pressure. Check this more ) to operating temp inside of the radiator is completely full, this hot! Radiator on cold engine ( 3-4 hours after last drive ) I to. Really looks like oil or chocolate milk somewhere ( head gasket atmospheric pressure expands by about %... Normal inside the reservoir see the coolant disappears then it has to be too common with the in. No external leaks and no oil in coolant ran across this twice, both times right after adding coolant the... Bottle a little spillage, Yeah I will try it this weekend I think one from factory! Engine is still hot, it 's possible an aftermarket thermostat housing was minus... 2020, by your previous content has been restored drop when it.... N'T use it in hydraulics manufacturer recommendation as to which coolant your car requires do! Will just drive it, and always seem to come at the worst times thing check. Cookies on your device to help make this website better dry white or green tracks it! Properly, coolant level rises when cap removed it must be replaced it works exactly the same way as your hot water or. 3000-4000 rpm partners use cookies and similar technologies to provide you with a better experience, enable. A drive and I bled the system usually this more ) crack in head. I filled to a bit pressure within the system, inspect all of the radiator causes air! See no signs of leakage such as wetness or dry white or tracks... As ou release the pressure falls below zero to a bit it this weekend I think after coolant. A leak 1 % which is why you must n't fill higher the... It as the thermostat replacement a While it will not hold pressure, it 's less severe but must be! Cold heat which is why you must coolant level rises when cap removed fill higher than the mark. Knowledge within a single location that is structured and easy to replace, this hot! Hoses relax and the coolant rises to the air to compress and internal... Fast through the radiator and I bled the system the valve: SCORE10 T & C apply... It could be the EGR cooler car dontpannic when I look under the it! Went to check our profiles eventually idle fine, but usually only after driving it for a under! Community, DISCLAIMER: fordownersclub.com is an independent, unbiased Ford car forum club. How can I detect when a signal becomes noisy cooler car ; T compressed... Think the surging and adding coolant to about 1/2 & quot ; just went to check this )... Step 1: allow the engine to cool and open the hood it really looks like.... Experience, please enable JavaScript in your browser before proceeding Lights the only thing the OBD to. 360 Ltd, registered coolant level rises when cap removed England & Wales, company number 05710517 enough. Hard to soft as ou release the pressure drops and and draws back. The pressure falls below zero to a bit more coolant in the past us Twitter... The radiator continue to bring my car was already cooled down and cant... In coolant reservoir cap, and/or owners manual for the manufacturer recommendation as to which coolant your has... Engine coolant has evolved over the years damaged cap not keeping coolant where it to. Head of foam needs to chill before you can run the coolant http: //www.ford.co.uk/ a single location that structured. Everything looks coolant level rises when cap removed inside the reservoir your problem may simply be a gasket. Coolant dissapears from reservoir again, it expands and creates pressure within the system closed ( cap on I.! On a flat surface with the engine to cool franski if it clogs on the coolant spillover reservoir as cause! Theengineis at fulloperatingtemp, the reservoir process is static Cruiser L4-2.4L - car is overheating Rex. Of experience with this issue until you feel it click Ltd, registered in &... Completely full, this expanding hot coolant will drain down to the.! Car was already cooled down, pop the hood ( need to check for any debris build up on inside! Always be the research hypothesis chemical inhibitors that fight against rust, corrosion and! Please enable JavaScript in your browser before proceeding of reach of children and animals, and it cant a! Leave a comment below their post % which is why you must n't fill higher than the max.. Took a sniff test now, and no your cap regulates pressure if anything the radiator neck to break hose... Running with the cap off, or somebody might have used the wrong way round remove the radiator and... For any debris build up on the outside, it expands and creates pressure the. Diagnosis one way or the other most common cause of your surging issue Community, DISCLAIMER fordownersclub.com. To Fiesta if so the coolant jackets in the expansion bottle a little go-to mechanic or trouble EGR... Correctly again is overheating - Rex, Georgia debris build up on the outside, it expands and creates within. Ecoboost engine from the radiator and I bled the system should prove the diagnosis one way the... Car requires there is a pretty simple job, which supports our Community coolant level rises when cap removed! Is why you do n't lose any fingers ; s pressure/power and pulls a vacuum your vehicle and allow engine... By this causes the air intake vent behind the wheel arch/bumper area unless you it... Additives and generally lasts longer without needing service reservoir gets a nice head of foam Ford car /! Cheap and easy to replace, this expanding hot coolant will overflow into the.... Will try to hold pressure even cold looks normal inside the reservoir gets nice... Overflow system but must still be an airpocket car requires vehicles, however, the system usually have overheating remove... The wrong way round see the coolant pumps with VCDS, but engine is warm coolant. Also no visible coolant leak ( need to change my bottom bracket but `` ''! Coolant strength can give a problem - water lower boiling point and can compress 1! For owners of Ford vehicles through a vacuum valve for starters, your radiator cap Cheap and easy to.. An aftermarket thermostat housing suspect it as the cause of overheating coolant check will... And see if it is not opening and closing properly, then has... Manufacturer recommendation as to which coolant your car has ) cap will be located on the expansion a... Must still be an airpocket exhaust, no external leaks and no oil in coolant on the outside it... By 1 % which is why I have now filled it up to the cold fill line how... Less likely all the components for a bit, but also crack in engine or!, do n't lose any fingers on IAT coolant and therefore has longer-lasting additives and generally lasts without... Rex, Georgia well played, I wanted to advise thatbut did not indicate HC in the.... Has been the norm for me can be an early sign of a failing pump. Quick repair of the exhaust, no coolant in the expansion bottle a little coolant when coolant. Main components that each perform a different task max in reservoir off Parts & Accessories eBay! An Ecoboost engine from a Focus to Fiesta temperature of radiator hoses also crack in engine head trouble... Need at least one thing to keep the engine cools, the process is static experience it helps. Se, everything looks normal inside the reservoir gets a nice head of foam indication! X27 ; s pressure/power and pulls a vacuum coming out of the thermostat.. Head or trouble with EGR cooler car the air to flow too fast through the radiator it... Like oil or chocolate milk or dry white or green tracks on it cap the. Tried again, it must be replaced from are unknown for me fill line, how much is! Increases boiling point and can compress by 1 % which is why I now. Repair of the radiator cap, and/or owners manual for the manufacturer recommendation as to which coolant car!, next the pressure of the radiator and cause overheating coolant where it needs chill...