With the radiator cap removed, install the block tester per manufacturers specifications. JBOD Is running the engine with the coolant cap off not common practice to get rid of air bubbles after a coolant change mate? I will take it to a shop to do a comp test as fast as possible. Can a rotating object accelerate by changing shape? A failing thermostat is the most common cause of overheating. For a better experience, please enable JavaScript in your browser before proceeding. Tuns Aaron2410, For a better experience, please enable JavaScript in your browser before proceeding. 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. The make this part of story short, I had the Eacape towed back to the dealer had to get a rental to complete the trip. Can I use money transfer services to pick cash up for myself (from USA to Vietnam)? Started Thursday at 07:32 PM, By How can I make inferences about individuals from aggregated data? HOAT coolants are generally highly reliable and have long usage lifespans. Open the hood and locate the upper and lower radiator hoses on the vehicle. If you have an electric cooling fan, the circuit must be diagnosed before replacing the fan. 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. 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. So much confusion over a simple system! Checking your coolant level is one of the easiest things to do because you need absolutely nothing, not even a rag. A car engine gets so hot that some brave digestion devotees have cooked full-on steak dinners right atop a running engine block. I haven't. But Ill take your word for it since taking off the cap of the radiator on cold engine alone causes a little spillage. Squeezing the radiator hoses could help release any air in the system and help the coolant percolate into the radiator. 3. The caps come in different pressures that you can buy. The coolant level rises all the way to the top and will eventually 'burp' and go back down. If it clogs on the outside, it will restrict the airflow through the radiator and cause overheating. I have had a lot of experience with this issue. StephenFord Hot coolant is under pressure and could spray out and burn you. Click to expand. 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. When opening the cap the coolant reappears in the reservoir. Overfilling may cause overflowing. Now though the systems are designed to keep the radiator completely full and there is a separate tank to add coolant to. Sign up for a new account in our community. I just got back from LA. if you are keeping the system closed (cap on) and running the car (to operating temp. Rev the engine to 2500 or so, check for bubbles again. Step 2: Inspect the inside of the radiator. Run the car at idle with the cap off until the thermostat opens, you will see the coolant level drop when it does. does any of this make sense? Do not remove the spring cap of the radiator to check the coolant levels. Powered by Invision Community, DISCLAIMER: fordownersclub.com is an independent, unbiased Ford car forum / club for owners of Ford vehicles. It works exactly the same way as your hot water tank or central heating radiatorsat home. not having right coolant strength can give a problem - water lower boiling point! Without the proper levels of coolant, the system could malfunction, which could lead to engine damage. 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. 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 . 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. 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. 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. Remove the surge tank cap (2). Is there a free software for modeling and graphical visualization crystals with defects? I think I poured the coolant too fast. 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. er Remove the radiator cap from the radiator and look for any debris build up on the inside of the radiator. If I didnt beat up on the car a lot of didnt increse the pressures in the combustion chambers a lot by boosting hard it would take longer for me to notice this. 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. Step 4: Verify with the Radiator Filler Neck. You cannot paste images directly. Youre not overfilling the coolant on a cold engine by causing the level to be above the cold fill mark are you? Now, fill coolant to the top and put a new cap back on. Paste as plain text instead, As its a shuttle, see you can check the rear heat rad. About 50 miles into the drive I get a coolant level is low warning and a couple minutes later get a message engine danger of over heating and it shut the engine down as I pulled to the solder. I take it none of you are plumbers or heating engineers? Tom think you have it the wrong way round. Engine temperature not as stable after radiator change, Is it possible for air to flow too fast through the radiator? Step 3: Apply pressure. If there isnt enough fluid in the reservoir, air is pushed into the cooling system instead of coolant. 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. As per usual, Raymond was efficient, accurate and generous. I will continue to bring my car repair needs to Raymond. JohnDoe2023 Step 2: Remove the cooling system pressure cap. It was boiling/forcing air out the caplast night when I took it home.. When the coolant rises to the cold fill line, replace the cap and tighten it until you feel it click. Hester needs to be open to get all air out. Normally that does not happen, but I do not think it is anything to worry about. Just guessing roughly half a litre, not sure how much exactly. The cooling system consists of several main components that each perform a different task. Started Sunday at 05:08 PM, By Fluids can't be compressed so if the coolant disappears then it has to be into a pocket of air. But there still seems to be air trapped inside as startups still has rough idling. Same problem in ford focus 2014. If needed, fill it up with a 50/50 mixture of coolant fluid. I am loosing some coolant every time, so I eventually haveto refill. Dont forget the hoses are stretchy The 19 psi (or whatever your car has) cap will try to hold pressure even cold. st line x 140 driver off the shelf antifreeze is pre mixed isnt it? Certain engine faults, such as Get a fair & transparent quote instantly before booking. (You won't need a blowtorch for this job. Started October 8, 2020, By 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. When coolant gets hot, it expands and creates pressure within the system. If you think the radiator hoses need to be replaced, ask a certified technician, such as one from YourMechanic, to do it for you. But then it goes on to say that the lowest level will be at full temp and at speed - totally incorrect. 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? Upload or insert images from URL. Any leak needs to be repaired to prevent serious engine damage. Copyright 2002-2021 SUMMIT 360 Ltd. E.& O.E. if so, you have a leak somewhere. 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. I will just drive it, and see what happens. 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. 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. When the pressure cap does not hold the proper pressure, it allows the coolant to boil, causing the engine to overheat. Youll also need a flat workspace, such as a garage floor, driveway, or street parking thats also well-ventilated. Step 2: Locate the radiator hoses. Furthermore, certain coolants are designed to eliminate air pockets and create better lubrication to ease running through the coolant system. Your previous content has been restored. Do you guys found any solution? That quote started correct but then contradicted itself. Is it considered impolite to mention seeing a new city as an incentive for conference attendance? Dodge Charger V8-5.7L - Car is overheating - San Tan Valley, Arizona. Does the overflow tank sit higher then the radiator?Maybe siphonig ? Most modern cars have the pressure cap on the expansion tank. 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. 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