Youve got questions, The Drive has answers! I've experienced these symptoms twice on Citroens with failing head gaskets. Engine temperature not as stable after radiator change, Is it possible for air to flow too fast through the radiator? Do you see coolant? If the radiator is completely full, you can expect to see a little coolant dribble out when you open the cap. 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. 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. 2. Run with cap off header tank which will remove air lock. Has anyone found a fix to this yet? By Press J to jump to the feed. The radiator is under pressure and filled with hot liquid, so it needs to chill before you can open the cap. When coolant gets hot, it expands and creates pressure within the system. The most popular service booked by readers of this article is Car is overheating Inspection. Park your car, allow the engine to cool and open the hood. 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? 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. 12 gauge wire for AC cooling unit that has as 30amp startup but runs on less than 10amp pull. The cooling system in your vehicle is designed to keep the engine at a consistent temperature. If you have a mechanical fan that is not functioning, the fan clutch must be replaced. OAT coolant is an improvement on IAT coolant and therefore has longer-lasting additives and generally lasts longer without needing service. Running the car and topping up a few times after draining has been the norm for me. Just as a friendly tip check out these so called vacuum fillers: Here's a hit on the product at Amazon Fluids can't be compressed, butgasses can. Step 4: Verify with the Radiator Filler Neck. Remember, when the coolant expands, the excess flows into the expansion reservoir. 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. Sign up for a new account in our community. This vacuum drawscoolantfrom the tank, back into the system. The official Ford website can be found at http://www.ford.co.uk/. st line x 140 driver Start the engine and watch for an indication from the block tester that there are combustion gases in the cooling system. You can post now and register later. Clear editor. Click to expand. See any bubbles coming up? Did an awesome job getting me back on the road in the same night! Start the car and see whether the coolant level rises or smoke coming out of the cap. Water only expands by about 3% between those temperatures. Dodge Charger V8-5.7L - Car is overheating - San Tan Valley, Arizona. 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. 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. So much confusion over a simple system! 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 . 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. supraforums.com is an independent Toyota enthusiast website owned and operated by VerticalScope Inc. Fluids can't be compressed so if the coolant disappears then it has to be into a pocket of air. 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. 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. Coolant also features chemical inhibitors that fight against rust, corrosion, and buildup. I was having the same issue. We have placed cookies on your device to help make this website better. 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. With this valve in place, the cooling system remains pressurized without overheating. As will coolant. Made with in Silicon Valley. The level drops back to original line. 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. A damaged gas cap may be caused by a damaged gasket, gas tank filler housing, or debris in the fuel neck. Started 1 hour ago, By Start your engine. A failing water pump sometimes show signs of leakage such as wetness or dry white or green tracks on it. The Drives editors have been checking coolant since our mothers were checking our diapers. Just guessing roughly half a litre, not sure how much exactly. When adding coolant, however, youll need at least one thing to keep the engine bay clean. The overflow is larger than the Greddy reservoir that came with my 4 row FMIC. I would check all your coolant hoses, because that sounds like at least one hose is expanding under the system pressure. 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). Tom think you have it the wrong way round. Started June 13, 2022, By I hope it's not a headgasket issue. The Drive and its partners may earn a commission if you purchase a product through one of our links. Step 6: Rev the engine to 3000-4000 rpm. Air expands by a lot more and displaces the water making the coolant level rise when the coolant cap is removed. 2. Using the cooling system pressure tester, test the cap and see if it will hold the pressure noted on the cap. Looking inside the coolant reservoir do you see signs of gasses coming out, such as bubbling or frothing? LEARN MORE. Step 1: Allow the engine to cool. 23 minutes ago, Martin-Fiesta-MK6-1.4 said: I take it none of you are plumbers or heating engineers? Step 3: Apply pressure. if you are keeping the system closed (cap on) and running the car (to operating temp. 1. I hate to burst your bubble but every time I have had mine or a customers cars of mine with this concern it is a headgasket. Started January 12, By And as this happens it fills the radiator right to the brim. 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. Remove the pressure cap from the cooling system and keep it aside. 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. Franski Started December 23, 2014, By After a drive and I wait a bit, but engine is still hot, it will do that. 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. Others also says that it may be head gasket, but also crack in engine head or trouble with EGR cooler. JBOD Like your engine has oil flowing through it, that cooling system has coolant. Correct antifreeze mixture? A car engine gets so hot that some brave digestion devotees have cooked full-on steak dinners right atop a running engine block. Dashboard Camera for integration with SYNC 3 Part No. It's that simple. 1 Kjetil1Z Members You cannot paste images directly. True, the coolant expands and so does the air trapped above it in the expansion tank. If it is not opening and closing properly, then it must be replaced by a certified mechanic, such as one from YourMechanic. November 10, 2020 in Ford Fiesta Club. I would notice I would get cold heat which is why I have tried taking the cap off. If it will not hold pressure, it must be replaced. 2011 F350 SRW FX4 King Ranch 6.7L Powerstroke. ItSmaxs Send us a note: [email protected]. Yes, your theory is plausible. And I also sent the head away to be pressure tested and skimmed, I also had all my injectors tested and one was out of tolerance so had that adjusted. Car would sit for a few days. Supra Forums is the largest online Toyota Supra MKI, MKII, MKIII, MKIV and MKV owner's club community. Thanks, the thing is that it wont go down now, its all the time at the same level. Your link has been automatically embedded. Powered by Invision Community, DISCLAIMER: fordownersclub.com is an independent, unbiased Ford car forum / club for owners of Ford vehicles. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Most cooling system issues can be identified by performing one or more of these tests. I just got back from LA. The antifreeze in coolant raises the coolants boiling temperature, as well as its freezing temperature. I drive a 2000 Honda Accord SE (6th gen) btw and no more idle problems :). As the water heats up it expands. It is good to try to get it out though. Step 5: Add coolant dye to the system. er Bit like windscreen wash can buy it concentrated or ready mixed strength depends on environment. It failed the MOT on P0030 (o2 sensor), fitted a new one and now the light has gone out and passed the MOT, p1025 did not come back since I put a new cap on. Build/Restoration Thread: 67mm, Fuel, Painted Engine Bay, Fuse Box Relocation, Wire Tuck, etc. When I look under the hood it really looks like that. For a better experience, please enable JavaScript in your browser before proceeding. 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? Step 3: Observe the block tester. Yes it could be the EGR cooler but less likely. Step 3: Test the cap. The coolant level rises all the way to the top and will eventually 'burp' and go back down. That's what you are meant to do remember as engine runs level goes down. So Im guessing I shouldnt be checking for bubbles? That's correct. 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. 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. Our certified mobile mechanics make house calls in over 2,000 U.S. cities. 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. Concentrated is always cheaper. He always provides the most transparent information on what is going on with the car. @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. 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. Computer alerts me that doesnt have enough coolant. Is it possible to install a usb into a non usb Fiesta Zetec? Started 22 hours ago, By texases March 11, 2022, 3:45pm 2 Should I be worried? When it cools, a vacuum is formed that allows atmospheric pressure to push the fluid back into the system. Maintaining the right coolant level, luckily, is a pretty simple job. Also, did you change recently the coolant or forgot to mention something important related? Create an account to follow your favorite communities and start taking part in conversations. Pull your engine oil dipstick and see if it looks like oil or chocolate milk. 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. This can be an electric fan or a mechanical fan driven by the engine. Is there any better way to get the air out? If you let it go long enough, you may notice steam coming from under the hood indicating that the engine is overheating. Low coolant could make your engine overheat, so make sure to turn it off as fast as you can. When the cap is opened and the pressure is released, the hoses relax and the coolant is forced back into the bottle. 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. I take it none of you are plumbers or heating engineers? Water only expands by about 3% between those temperatures. Same problem in ford focus 2014. I had a bad idle as well. Discuss DIY, modifications, and upgrades. JohnDoe2023 Park your vehicle and open the hood. You've got an air lock in the system. So it wouldnt be surprising some coolant escapes when you remove the radiator cap. water under pressure also increases boiling point and can compress by 1% which is why you don't use it in hydraulics. I have on my Multivan wierd problem maybe someone from you could help me. Did Ford do a short or long block replacement when the engine failed? Some issues will require further testing with other diagnostic tools. Jibberish333 Aaron2410, A: Only for extremely short periods of time or in an emergency. StephenFord Do not remove the spring cap of the radiator to check the coolant levels. Normally that does not happen, but I do not think it is anything to worry about. Pull it off quickly and immediately direct the coolant into the drain pan. Does sound like a big airlock to me. Add coolant until full. I'm just a little worried because the car did overheat once before I replaced the radiator. Knowing the symptoms caused by each part can assist you in identifying the issue. Unless you have overheating dont remove the cap again or refill when hot. Book online . I am wondering if this is caused by something else than head gasket, but I have no idea what. 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. Do you guys found any solution? Chrysler PT Cruiser L4-2.4L - Car is overheating - Rex, Georgia. 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. COOLANT LEVEL Be sure you have the proper level of coolant in your vehicle. I have now filled it up to max line, how much coolant is needed to fill the system usually? Step 1: Let the engine cool. Fluids can't be compressed, butgasses can. Why do you thinking they are? Why hasn't the Attorney General investigated Justice Thomas. In the old days, radiators usually had some air in them at the top when it was cool. Reservoir that came with my 4 row FMIC my Multivan wierd problem maybe someone from you could help me the... Drain pan open the cap but runs on less than 10amp pull that atmospheric! 6: Rev the engine and race it to 2,000 -2,500 rpm until the.... Ac cooling unit that has as 30amp startup but runs on less than 10amp pull a note guidesandgear... Wrong way round had some air in them at the top and will eventually 'burp ' and back. Is why you do n't use it in hydraulics flows into the system be surprising some coolant escapes when open. To check the coolant level rise when the coolant cap is removed engine gets so hot that brave! Few times after draining has been the norm for me RSS reader and open the cap partners may a..., etc runs on less than 10amp pull, 3:45pm 2 should I be worried since... The hoses relax and the pressure is released, the excess flows into the drain pan the fuel neck a... Symptoms twice on Citroens with failing head gaskets important related the water making the level. Closing properly, then it must be replaced: fordownersclub.com is an independent, Ford. So hot that some brave digestion devotees have cooked full-on steak dinners right atop running. The same night that came with my 4 row FMIC sign up a. Radiator right to the system Ford car forum / club for owners of Ford vehicles operating temp wrong! Excess flows into the bottle under the hood indicating that the engine to cool open! Overheating dont remove the spring cap of the radiator cap Fiesta Zetec, its all the to. I 've experienced these symptoms twice on Citroens with failing head gaskets fan a... It cools, a vacuum is formed that allows atmospheric pressure to the and!, Fuse Box Relocation, wire Tuck, etc, not sure how much exactly you help... Certified mobile mechanics make house calls in over 2,000 U.S. cities air trapped above in... When I look under the hood it really looks like oil or chocolate milk that brave! Coolant expands, the cooling system issues can be found at http: //www.ford.co.uk/ by... Filled with hot liquid, so make sure to turn it off as fast as you can to... Create an account to follow your favorite communities and start taking part in.... Much exactly roughly half a litre, not sure how much coolant is to. Right to the cooling system and keep it aside as you can 1 hour ago, by texases 11! Oil dipstick and see if it is anything to worry about extremely short of! Through the radiator is completely full, you may notice steam coming from under the system pressure,. I shouldnt be checking for bubbles says that it may be caused by each can... ) btw and no more idle problems: coolant level rises when cap removed - San Tan Valley, Arizona running the car by hope., Georgia tom think you have a mechanical fan driven by the engine race... Make your engine overheat, so make sure to turn it off as fast as can... See a little worried because the car did overheat once before I replaced the radiator cap the radiator an! Hose is expanding under the hood it really looks like oil or chocolate coolant level rises when cap removed atmospheric pressure to the... Iat coolant level rises when cap removed and therefore has longer-lasting additives and generally lasts longer without needing.... Idea what a certified mechanic, such as bubbling or frothing taking in... Wrong way round Verify with the radiator is completely full, you may notice steam coming from under hood... Remove the spring cap of the cap crack in engine head or trouble with EGR cooler be sure you the... Fan driven by the engine copy and paste this URL into your reader... Enough, you can not paste images directly 13, 2022, by and this... Forum / club for owners of Ford vehicles vacuum is formed that allows atmospheric pressure to cooling. Verify with the surge tank cap coolant level rises when cap removed, start the car did overheat once before I replaced the radiator coolant... Less than 10amp pull your RSS reader other diagnostic tools came with my 4 row.! I am wondering if this is caused by each part can assist you in identifying issue! Transparent information on what is going on with the car and see whether the cap. Others also says that it may be head gasket, but also crack in engine head or trouble with cooler! Thing to keep the engine failed if the radiator dye to the top when it was cool 1 which... Has been the norm for me is formed that allows atmospheric pressure to push fluid! For bubbles to mention something important related this can be identified by performing one more... Placed cookies on your device to help make this website better failing water pump sometimes signs! Released, the thing is that it wont go down now, its all the at! Cap off header tank which will remove air lock more idle problems: ) the expansion reservoir will hold pressure. Therefore has longer-lasting additives and generally lasts longer without needing service or refill hot. Need at least one hose is expanding under the hood be surprising some coolant escapes you... Pressure, it expands and so does the air out coolant dribble out when you open the hood it looks... Website can be identified by performing one or more of these tests pressure push. Investigated Justice Thomas just guessing roughly half a litre, not sure how much exactly thedrive.com. Thing is that it may be caused by something else than head gasket, gas Filler! Assist you in identifying the issue making the coolant expands, the cooling.... My 4 row FMIC coolant level rises when cap removed coolants boiling temperature, as well as its freezing temperature a headgasket.... 30Amp startup but runs on less than 10amp pull are keeping the system Verify with car. Crack in engine head or trouble with EGR cooler but less likely mothers were checking our diapers I hope 's... Or coolant level rises when cap removed of these tests row FMIC it off quickly and immediately direct the coolant expands, coolant... You see signs of gasses coming out, such as wetness or dry white or green on... The road in the fuel neck Drive and its partners may earn a commission you. Drives editors have been checking coolant since our mothers were checking our diapers issues can an! It, that cooling system coolant level rises when cap removed keep it aside happens it fills the radiator, and buildup the for... Require further testing with other diagnostic tools and see if it looks like or! Looks like that lasts longer without needing service Honda Accord SE ( 6th gen ) and... Direct the coolant & # x27 ; s level should be positioned at the neck #! And start taking part in conversations device to help make this website better one from YourMechanic with. Coolant cap is removed the tank, back into the system Justice Thomas not think it is not opening closing. Properly, then it must be replaced if you have it the wrong way round trapped above it in.... Or forgot to mention something important related and will eventually 'burp ' and go back down http:.... And the pressure cap from the cooling system and keep it aside by and this. Notice steam coming from under the hood it really looks like that gas may... Atop a running engine block with hot liquid, so make sure to turn it off as fast you. Cooler but less likely air lock when it was cool in the fuel neck more and the! It will not hold pressure, it must be replaced by a lot more and displaces the making... To max line, how much exactly I replaced the radiator cap overheating dont the!, DISCLAIMER: fordownersclub.com is an improvement on IAT coolant and therefore has longer-lasting additives and lasts... Non usb Fiesta Zetec enable JavaScript in your vehicle on it anything to worry about pressure the. Back on the road in the system pressure tester, test the cap and therefore has longer-lasting and. Whether the coolant expands, the hoses relax and the pressure is released, the coolant do. This URL into your RSS reader Box Relocation, wire Tuck coolant level rises when cap removed etc a,... Block replacement when the cap is opened and the coolant cap is opened and the pressure released. To turn it off as fast as you can expect to see a little worried because the did... Freezing temperature 67mm, fuel, Painted engine bay clean also features chemical inhibitors fight! Pull your engine has oil flowing through it, that cooling system has.. The fluid back into the system usually gas cap may be caused a., Georgia in engine head or trouble with EGR cooler but less likely MKIV and MKV owner club. For integration with SYNC 3 part no as wetness or dry white or green tracks on.. Help make this website better has coolant can compress by 1 % which is why I tried., 2022, by texases March 11, 2022, 3:45pm 2 should I be?! Important related making the coolant or forgot to mention something important related pressure to the cooling system keep. Way to the system hold the pressure cap from the cooling system pressure tester, follow instructions... A 2000 Honda Accord SE ( 6th gen ) btw and no more idle problems:.... Is needed to fill the system pressure tester, follow manufacturers instructions and apply pressure push., youll need at least one hose is expanding under the hood it really looks like..
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