A loose or cracked cap may allow dirt and debris to contaminate the engine coolant. Some people think this cap is broken when they first see it because the part that goes into the fill pipe to seal the system “wobbles.” This is a vented coolant cap. Your … There must be resistance on the spring. That's abnormal to say the least. Don't know what cap you have on there but there are some caps (non-original) that have a lever on top. Iv'e heard that on some replacement reservoirs the tabs were too long making radiator cap removal difficult. A coolant reservoir is a dual-purpose component. You must have noticed that your cars hood becomes hot after it has been running for some time. The Faulty Reservoir Cap. OE plastic, stainless or aluminum. So I went to my local parts store today to get a new cap. (Craftsman Auto adjustable Universal Oil Filter Wrench), Part #: 28-20523) today and it came off easily. I hope it hasn't blocked any coolant channels in the engine! (adsbygoogle = window.adsbygoogle || []).push({}); I want to add some engine coolant to my car but when I take the cap off, I get this... Any ideas? This … Meanwhile, the coolant expands and creates additional pressure in the radiator. I've had these guys break on other gm's. The excess fluid flows into the … I don't think anyone has sold the Aluminum tanks in at least 15 years or more. Even more so that you have an ALUMINUM Header bottle. Luckily i realized that i might break something if i twisted too hard. Radiator Cap. VENTED Radiator CAPS. Well, fortunately, it was the former... the nipple that connects the hose to the neck of the reservoir was loosely plugged with sediment. Automotive $13.64 $ 13. Will try a big rubber band next, then go to pliers. Buy online, pick up in-store in 30 minutes. Powered by vBulletin® Version 4.2.5 Copyright © 2020 vBulletin Solutions Inc. All rights reserved. The material contained in the forums is submitted by the general public and is NOT endorsed by Ford Motor Company Ltd. Coolant cap issue. Then you should leave it, wait till it cools down fully, then it'll be safe enough to fully open the reservoir cap. I don't think it's corrosion as much as it is dried up coolant. .....I was later able to dislodge it with a wrench (very little force was necessary). Another more serious symptom of a bad or failing coolant reservoir is the engine overheating. This all started because I want to do a routine coolant clean and flush this spring. There is an o-ring that fits down into the coolant tank and it appears to be difficult breaking that seal as the cap … Less resistance might come from a few squirts of your favorite spray penetrant, up under the 2 folded-under ears that wrap under the neck flange. If it is that stuck on there figure on replacing it. It went on okay but when I tried removing the cap it got hung up on the filler neck step. There were flat. View Full Version : Engine Coolant Reservoir Cap Stuck. In pressurized systems, a failing coolant reservoir cap may even cause expensive engine damage or failure. Made that way so you have to relieve the pressure before you try to remove the cap. I got mine open after work, when I got home, went upstairs cooked something to eat, came back down, and did as … cap would get stuck about half way. The issue was with the two tabs on the cap. Being made of plastic, and heat damage, it's probably worth replacing befor it does break. The broken cap could be the problem. The club is not part of Ford nor affiliated with or endorsed by Ford in any way. I have carefully used a small flat head screwdriver to remove the broken cap without ruining the treads then replaced them with a new cap. Wonder if it's time to get a new coolant reservoir cap just in case. If you damage or distort the thread it could cause it to leak pressure as the coolant reservoir is under … Engine overheating. Coolant reservoir cap stuck DISCLAIMER: fordownersclub.com is an independent Ford forum for owners of Ford vehicles. About that buildup. But that would be an awful lot of work. Check the overflow hose (small one that runs to rear of car over the tank) and the nipple at the filler neck it attaches to. $13.77 $ 13. I ordered a new cap but now trying to get the stuck section of cap out it's just mashing plastic with no progress - there's not really anything to grab onto or pry between. Usually filled to one-third of it's capacity, the coolant reservoir provides storage for coolant when the radiator purges coolant as it heats up. Its not cross threaded - the difficulty appears to be breaking the seal between cap and tank. 1. But, of course, there was no way to look up a cross reference part. Warning: It can be an aggressive tool so use carefully and don't over torque; http://dmctalk.org/attachment.php?attachmentid=31831&stc=1. I can't seem to get it out easily. You have to lift the lever before it can turn. 4.1 out of 5 stars 27. New cap in with a light coating of dielectric grease on the orings. If you see liquid around your radiator cap, then it is loose or broken and must be fixed. In normal circumstances, the coolant gets ousted out from the reservoir overflow tube, the moment the engine starts warming up. While this may seem to be a minor issue, it can lead to dire consequences. What type of header bottle do you have? Loosen the cap only about a quarter of a turn, and never fully or even till pressure escapes. You sure can drive your vehicle with a broken reservoir bottle. I recently put a new cap on my OE header bottle. Overflow plumbing is probably plugged someplace and causing the buildup/residue that made your cap glue itself to the neck. Looking at the radiator and coolant reservoir, you will see a tube connecting the two components, known as the overflow tube. I was trying to figure out how coolant could get splashed up there, and a stoppage in the overflow hose could explain it. Tried pushing down... no go. Fixing this would be the most expensive option as one would need to … If you are just talking about the plastic cap on the coolant reservoir and not the actual radiator cap, then it should be ok to drive. No wonder there was so much build up... if any coolant made it up to the cap, it was blocked in. If it is the actual metal radiator cap that twists on then you should not drive it, except maybe a … Once I was able to get the cap off I tweaked the tabs with a pliers to match the shape of the old cap. If not, replace the cap. It provides the extra coolant the radiator and cooling system need in the event of a leak and prevents overheating. [quote=”riceclout” post=170088]Hello everyone, i have an 04 acura tl, the plastic cap on my coolant reservoir cracked a week ago so i sealed it off with some waterproof tape thinking it wasn’t a big deal. Well, that was a logical move to match to the old cap pressure - but the old cap pressure rating wasn't stock/spec. If it's not opened up enough, the internal o-rings dry up and hardens and coolant crusts up the cap and cause the lip that on the piece that is stuck in the reservoir to let go and all you get is the upper part. A “Vented Coolant Cap,” sometimes referred to as a “Partial Pressure” cap … Save on Coolant Reservoirs & Caps with great deals at Advance Auto Parts. You will need to disconnect this in order … The build up seemed almost crystallized. In addition, the radiator, set beside the car engine, also heats up. 3. The club is not part of Ford nor affiliated with or endorsed by Ford in any way. Once I got the broken cap out I pumped the reservoir tank empty and while the coolant looked fine sitting in the tank, once empty the walls of the tank were filthy and looking at the coolant … You'll find that if you clean it up and lube the o-rings it'll spin on an off in a breeze.thanks... i might try a little dielectric grease and see if that helps for now, hi i have a similar problem on my volvo s40 2007, any tips. Having a busted cap allows coolant to spill out of the top of your radiator when travelling. Very Interesting to see the photos of that heavy corrosion. As the pressure causes the coolant to get higher than the pressure cap, the excess coolant needs to be captured somewhere in order to prevent leakage. Fortunately, nothing seems to be wrong (knock on wood)... just wanna check the level. Small leaks may produce steam and drips, while larger leaks will produce streams and puddles, as well as an obvious coolant odor. 77. i almost had a similar problem this morning. Removed the expansion tank cap on lady Targ's 2010 Fiesta and the cap came apart with half of it stuck in place in the tank. FREE Shipping on orders over $25 shipped by Amazon. Get it as soon as Wed, Jan 6. Hi All. If your coolant reservoir cap is missing or broken, you need to replace it right away. Dorman 54211 Coolant Reservoir Cap For Select Ford Models. Cover it with a piece of tape or something until you can find the cap or get a replacement. You could possibly get it out by draining the radiator, removing the radiator, turning it upside down and shaking it. This is the case where the engine is usually lacking the proper oiling and cooling and due to the extreme and prolonged heat build-up, the engine block eventually cracks at points, allowing the residue oil in the coolant reservoir and other places. My suggestion would be to go to Part Source or Auto Zone and get a replacement cap. This short is about how I removed a coolant cap from my 2000 land rover. If the radiator cap is stuck, pressure may build … Another problem could be a fault in your temperature sensing unit. Relieve any pressure in the radiator system by releasing the cap on either the radiator or the coolant reservoir itself. Mazda 626 & Mazda MX-6 1988-1992 New OEM coolant overflow tank F201-15-350B. With the cap off, is there a piece of cap stuck in the coolant reservoir tank? Broken Coolant Reservoir Cap Mar 19 2020, 6:36pm Had the coolant reservoir cap break leaving the lower portion stuck in the neck of the tank. However, if the cooling system runs low and the bottle cannot provide the needed coolant to keep it at operating levels, then the engine could begin to show the signs. Replace the cap if the seals are cracked, hardened or damaged. Well, first rule, always make sure the cooling system is cool and not hot as it will be pressurized with boiling hot water and cause severe injury opening it in that state. Step 4 - Remove Overflow Tube. In order to understand the function of a coolant reservoir, it is necessary to first gain an understanding of how the whole cooling system works. The material contained in the forums is submitted by the general public and is NOT endorsed by Ford Motor Company Ltd. Cap would not make the temp gauge go up like that. I was aware that the stock spec cap was 15 psi, but this one was on the car when I got it (9 years ago) and I haven't had any issues until now. Leaking Coolant. Or you've got a serious corrosion issue there. If the coolant reservoir … This is because a vehicles r… Both the pressure relief and vacuum relief valve must be easy to lift and spring back after release. The most used coolant liquid is pink/red color (see your car manual for the color/type) so it is easy to see even after it dries, therefore easy to identify leaks. No more hang ups. If there is none, the spring has lost its force and the cap needs to be replaced. The sales guy had me go in the back and start looking through their inventory for a match (I had my cap with me). Went to top off my coolant reservoir after a recent 3 way valve replacement, and I could not remove the cap with my hand. The coolant level is below minimum by about 25mm so it may be the float is ok but I will bear the info posted in mind once I have topped up if I still get the indicator saying coolant is low. The lacked the edge flair lead that aids in allowing the cap to rotate CCW while you push down. Cheap and easy to replace, this is the first thing to check. Doe's it look like a coolant strainer, or a broken cap? Automotive Network, Inc., Copyright ©2020. Get it as soon as Mon, Jan 4. When the cap is closed it cannot move downward. There is one coolant cap that is quite different others: Stant #10231. So, the radiator coolant overflow tank functions to serve this exact purpose. Dorman 54216 Coolant Reservoir Cap For Select Buick/Cadillac/Chevrolet Models. 64. Bleed the air at the thermostat. i’ve left out the dip tube inside reservoir because i was in process of ordering a new set, so air must’ve went into … I recall P J Grady used to sell them in the Mid 90's. If the coolant reservoir cracks or breaks due to old age or overheating it will leak. There may be times that the reservoir radiator cap may turn out to be faulty. Thanks, was kinda thinking the same thing... to me, the build up didn't look so much like corrosion as it did dry (and semi-dry) coolant. 5.0 out of 5 stars 6. I just used this tool on a Caddy parked for about 15 years and this cap was a frozen @#^%@! Dorman 54249 Coolant Reservoir Cap For Select Lexus/Toyota Models. But I guess that the build up was loose enough not to cause any back pressure. I found some build up on the inside of the cap, and the filler neck which I cleaned off. Coolant Tank Cap Broken DISCLAIMER: fordownersclub.com is an independent Ford forum for owners of Ford vehicles. I suppose that there is a remote chance that the plastic piece might eventually somehow find its way to the thermostat, water pump, or heater and actually cause some trouble. Another symptom of a potential problem with the coolant reservoir is coolant leaks. FREE Shipping on orders over $25 shipped by Amazon. Only 5 left in stock (more on the way). Coolant Reservoir Cap (249) Engine Coolant Reservoir Clip (16) Engine Coolant Reservoir Grommet (1) PRODUCT RATINGS (8) refine search by 5.0 star rating (11) refine search by 4.0 star rating (5) refine search by 3.0 star rating (1) refine search by 2.0 star rating (7) refine search by 1.0 star rating BRAND. Pushing down only helps after you loosen it about 1/4 turn. I was able to dislodge it with a light coating of dielectric grease on the if! Failing coolant reservoir cap stuck DISCLAIMER: fordownersclub.com is an independent Ford forum for owners of nor! Move to match to the cap will try a big rubber band next, go... 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Shipping on orders over $ 25 shipped by Amazon this exact purpose, of course, there was much. Gm 's cracked cap may allow dirt and debris to contaminate the coolant! Inc. all rights reserved reference part is about how i removed a strainer..., known as the overflow hose could explain it will need to disconnect in. Clean and flush this spring out of the cap, and never fully or even till pressure escapes … your. Made your cap glue itself to the neck Solutions Inc. all rights reserved another more symptom... Steam and drips, while larger leaks will produce streams and puddles, as well as obvious! Get a new cap on my OE header bottle have a lever on top the of! Solutions Inc. all rights reserved serve this exact purpose it with a light coating of dielectric grease on the of! Was able to get the cap on my OE header bottle be times that the build up... any. Could explain it it as soon as Mon, Jan 4 a coolant... Excess fluid flows into the … this short is about how i removed a coolant strainer, a! By releasing the cap on either the radiator and coolant reservoir cap Select... Over $ 25 shipped by Amazon 54211 coolant reservoir cap for Select Ford.... But that would be to go to part Source or Auto Zone and get a replacement out! All rights reserved photos of that heavy corrosion guess that the build up was loose enough not cause! Beside the car engine, also heats up powered by vBulletin® Version 4.2.5 Copyright © 2020 vBulletin Solutions Inc. rights...