You may also notice dried white streaks on the radiator coming from the cap. Lower PSI will make it send coolant to the expansion tank too soon, higher PSI will put the system under too much . Identifying too much pressure in radiator hoses can be as easy as performing a squeeze test. Thoughts, please? Radiator Surge Tank Cap. When you "popped a top" that was the path of least resistance and water and air pressure together formed a water spout. Car overheats 2. This can derail the radiator's ability to sustain a . Have had the pressure test, and my mechanic put in Chemi-Weld to rectify this problem. Many people are curious about this phenomenon and how it works. If the pressure relief valve is open, it will release pressure from the system and you'll see a hissing sound. Torque sensor to 168 inch lbs. Could it be the cap? I did not know that caps are this important until my technician told me. A: A radiator cap has several functions. The head gasket helps to keep the engine cool by sealing in the coolant and keeping the pressure in the cooling system at a consistent level. A loose radiator cap will cause the system not to pressurize, resulting in overheating. While you may not notice coolant leaking from under the radiator cap, look out for these white streaks. "All radiators are equipped with a pressure cap. This is called the radiator hose squeeze test. He talked Head Gasket issues and we are hoping not to have to go this route. Running the wrong radiator cap could allow the system to hold too much pressure. However, straight water has a lower boiling point than a mixture. It is best to manually check the cap after visiting the mechanic. I replaced the upper hose. Your Silverado's radiator cap maintains a consistent pressure within the system, and when the pressure is too high, it slowly releases coolant into the coolant recovery tank. If I were you, I would start with the following: 1. Try this - start the car, and completely remove the top of the overflow bottle and the rubber tube inside it. With little or no liquid around to cool the vehicle, the engine is likely to overheat. But it wont help either. The pressure will eventually be enough to force coolant through the tiny hole and your car will slowly lose coolant. #2. Get both a new cap and overflow tank? If your cooling system is overpressurized, it can cause the radiator to burst or leak. Once you have removed the old hose, then you will need to remove any debris that may be stuck in it. I replaced the thermostat my car started to run hot finally got all air from line and it idles and drives 195- 197. You can see that all the examples above have a similar boiling point. Look for leaks. As you drive, pressure in the cooling system will build. Are high pressure radiator caps worth it? Kevin has been fascinated by anything automotive since his first go-kart as a kid to his time working as an auto tech for Dodge after obtaining his degree in automotive technology. How can I test to see if its the cap? Hi, my 94 honda accord just blew the cap off going down the interstate. Murray Temperature Control 28 To 32 psi Specialty Radiator Cap - 7045. I read the other turbo needing that hose replaced and will do that next. Install upper torque strut. It only overheated twice once on a 3 hr trip. When looking at your cooling system you need to decipher when is overheating. Last night I noticed that my engine was getting overheated in my old Ford truck and Im worried that it could do some real damage. And I have seen people put the thermostats in wrong, not saying you did this, but you have to have the air release or that needle on top of the thermostat facing the 12:00 position, you may have gotten a defective thermostat or wrong application, buy a failsafe thermostat then if it fails it will stay open and not overheat. If your cars cooling system is under too much pressure, it can cause the engine to overheat. This is why an overheating engine will pop the radiator cap right after shutdown. That being said, Great Rads have put together a list of the top 4 ways to help you improve the efficiency of your radiator. You'll notice a little pipe running from that neck to a little plastic tank. Do I have a bad radiator cap or is my radiator going bad? If you are having problems with high pressure in your radiator, then there are a few things that you can do to help reduce it. The coolant mixture and system pressure combine to set the boiling point. Just installed new water pump and reading 13 PSI. Should I get a genuine one from Toyota? This can be done by using a vacuum cleaner or compressed air. When the pressure is too high, the cap vents excess coolant to the coolant reservoir. This effect can be beneficial or harmful depending on how well your cooling system is functioning. (3) The radiator cap allows coolant to go to the expansion recovery tank when coolant gets hot, expands, and pressures increase. The vacuum wont be released by the radiator cap properly and it will cause the radiator hose to collapse during the cooling down period. So, for any car that is over 5 years old Id recommend checking the air feed hose first, for temperature issues. High temperatures build too much pressure inside the cooling system. #1 I've seen these "high performance" radiator caps, that are a high pressure than standard caps. 1,636. I would also consider replacing the radiator cap because it sounds like its holding too much pressure. A 12-14 lb cap would be really nice. Again, this protects the system from boiling over. But under some extreme conditions, you may need the additional . Ive seen no leaks, smell nothing, Im not good at examining auto parts but Im guessing at best, it could be the radiator cap. One possibility is that your radiator cap is not sealing properly.This can cause pressure to build up in the cooling system, causing water to be forced out of the radiator. If you have a radiator pressure tester, then you can inspect the cooling system on your own. Once all of the debris has been removed from your new hose, then you will want to install it onto your cars radiator. Testing your hoses will tell you if a replacement is needed. link to Do You Add Coolant While The Car Is Running? The engine is hot and theres pressure in the radiator, but coolant do not overflow into the tank. Radiator cap suspected. Need to figure out where the leak is coming from. My first name means: "One with a joyful demeanor." Thanks so much! If its reading higher than normal, it could mean that the system is not able to regulate the temperature properly and is overheating. One is a faulty radiator cap. Common Amsoil Problems: Know The Dark Side Of Amsoil. The pressure actually burst the plastic part at the top. It can also damage theengine and causeit to overheat. Most of the time the pressure isnt high enough to rip the hose in half. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Mailing Address:9169 W State Street, Suite 2867Boise, ID 83714. You could go back and ask them or be conservative and toss a 9 lb cap on it and see what it does. The mechanic said it was a blown gasket, he changed it and washed the radiator tank. It may be a good idea to have a pan or bucket handy to catch any that overflows. #4. It is important to have a properly functioning radiator cap, and we recommend that you install a new radiator cap when you install a new radiator. 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 . Figure out why the pressure is so high. I'm a Korean student and author at FindDiffer.com. Note that an overheated engine may have a coolant that is as hot as 260 Fahrenheit. Ever been in a situation where your car cranks longer than, Read More Why is the Fuel Pump Not Priming? Everything you need for anything you drive. The water pump circulates coolant through the engine and radiator to keep them both at optimal temperatures.If the water pump isnt working properly, it can cause the radiator to build up too much pressure. You have to have flow. This vacuum draws the coolant back in the system instead of air. Take a look at this article and see if it helps: https://oards.com/subaru-head-gasket-problems/. You can find this information in a repair manual, factory service manual, or online. Its purpose is to contain coolant in the radiator and ensure that the cooling system remains pressurized. Internal pressure fluctuations can cause warping and/or tearing of the hoses. After inspection I found the lower hose at the firewall was ruptured. If your thermostat is opening in the 160-180 degree ballpark, the next thing Id do is a leak down test. Then, let the engine cool for some time before popping the hood. Come winter, I found little heat coming into the cabin. Next, you will want to put the hose into the empty space on top of your radiator and then turn on your cars engine again. Update: Turned out that it wasnt my Coolant Sensor either. Mechanic Didn't Tighten It: One of the first reasons could be that your mechanic did not efficiently tighten the cap. This can happen over time, especially if you drive your car hard or if you live in an area where the temperature changes quickly. High Pressure / Radiator Cap. I was checking the oil 2 weeks ago and noticed the coolant reservoir looked a lil low. [7] It's pretty easy to see a bleed valve. Radiator dries up every few kilometers. If you do have any problems with your car, then make sure to take it to a mechanic who knows what they are doing so that they can help you get back on the road as soon as possible. I have a 2011 Infiniti G37x. Please what can I do because Im out of ideas. Fixing a bad radiator cap Happy New Year. It is overheating and blowing steam at the radiator cap. Make sure you dont have any air in the system. RADIATOR CAP Cheap and easy to replace, this is the first thing to check. When the heat causes the pressure in the vehicles cooling system to increase above its psi/kPa rating, the radiator cap, by means of a spring-loaded valve, releases some of the coolant from the system into the overflow tank. Visually inspect that cap to make sure the spring moves freely and there is no debris or corrosion under the cap. A high-pressure radiator cap is used to raise the boiling point. Advice??? Also, many race tracks do not allow glycol-based fluid to be used. Check the coolant every day to see if the level drops. . Appreciate your work in helping us with a good article and post. BUY NOW. Hi. Too much pressure will exceed the manufacturers specifications for the cooling system, and could cause cooling system component failure. What happens if radiator cap pressure is too high? 2006 TriBeCa losing coolant replaced rad, cap and hoses not seeing coolant on ground. The ONLY thing I noticed was the upper rad hose did NOT get hot after 20 minutes, (which I assume could indicate a bad thermostat), but where is the coolant going, because its not under the vehicle ? Now remove the radiator cap by pushing it down first and then twisting it counter-clockwise. If you dont know what the cap adapter looks like, check the label of the pressure testers packaging and see if it shows it on there. Another possibility is a leak in the cooling system itself. Also made sure my fans were working. Higher pressure caps can boost the boiling point even more. This makes the coolant expand, which makes a lot of extra pressure inside the radiator. It works the way a pressure cooker raises water's boiling temperature. A typical radiator cap Over time, the rubber seals on the radiator cap will harden and loose their ability to create a proper seal. Combustion gases are being forced through a head gasket leak into your cooling system which is why it over-pressurizes the system and the valve lets go at 16 PSI to save your hoses. Check the coolant overflow hose for a leak as well. Some cars leak a little bit of coolant over time for a variety of reasons. You might not notice a puddle in your driveway sometimes a coolant leak will look like a white streak near the leak site, such as under the radiator cap. (1.2 kg/cm) turbo Nissan OE (Original Equipment) stock caps. When coolant caps pop off there are only a couple of causes. Wait 6 hours and open the radiator cap/reservoir cap again. If you notice that the hoses are leaking or have excessive pressure, its time to replace them. You may want to perform a leak down test to see if you do in fact have a head gasket leak. Need to know if I put water in it can I still drive it home? Best Sellers in Automotive Replacement Radiator Caps. If you have a bad radiator cap then it could suck in air push it to your overflow and cause a flow problem with air pocket. You are only stretching things when you keep turning them after they bottom out and they will eventually break if they are tightened too tight too often. Oct 11, 2010 Borispol, Ukraine 0. maximum pressure is limited with radiator cap. To test the water pump, start the engine and let it idle for a few minutes. Radiator caps can come in all shapes and sizes unique to your cars radiator. When inspecting the cooling system, check that no hoses are hard or feel spongy. If it doesnt, it could be an indication of a problem. Radiator caps can become weak or they can seize over time. High-pressure caps will not solve overheating problems. This could be out the overflow reservoir, the reservoir hose, radiator cap, coolant hoses, or into the engine from a head gasket leak. A leaking head gasket or water pump can also cause this issue.If you notice that your radiator is pushing water out, its important to have it checked by a mechanic as soon as possible. The pressure cap also prevents radiator hoses and tanks from collapsing. There could be many reasons that it could be overheating but knowing when it overheats gives you a direction. I have a Mutsubishi 2.4 petrol double cab pickup. If you are getting P0301 codes for misfire thats likely why. This vacuum draws the coolant back in the system instead of air. Hi there, I have a 2007 Hyundai Tuscon Ive taken great care of, she had a full tune up in March, with scones head gaskets replaced, and recently had some more work done. If your cars cooling system is pressurized, it means that there is too much pressure inside the system. Reconnect ECT sensor electrical connector. This causes the pressure in the system to build up overnight since there is less chance for coolant and air to escape. Part #: 7045. my car is a Subaru Impreza 2003 model. 1. Coolant goes into the reservoir tank as it expands. The radiator cap releases the extra pressure by sending some coolant into the overflow tank. If you suspect that your cooling system is pressurized, have it checked by a mechanic as soon as possible. Place a bowl or bucket under the valve and get a large, dry cloth. Pablo-UA, Nov 11, 2010 . So from then on, I made sure that when something is a little bit different, I will immediately take my car to him. Make sure no air is getting into system and it is burped properly, if burped, and Air is still getting into system then that needs to be tracked down. I love learning new things, and I think that's why I enjoy writing so much - it's a way of learning more about the world around me. This vacuum draws the coolant back in the system instead of air. Sometimes with the on AC it would fluctuate cold, then warm, then cold, etc. The cap does this by a spring loaded valve which serves as a pressure relief valve at a rated pressure. The pressure cap also prevents radiator hoses and tanks from collapsing. The part of a vehicle known as the radiator pressure cap contains 2 valves. Nothing has changed in the water level of the expansion tank. Unchecked high pressure could cause damage to the radiator, heater core, hoses or water pump seal. Keep screwing until you cannot screw it anymore. With RPM raised to about 2,200, my pressures cycle from about 20psi - 27psi (No venting as I have the system sealed. for the car. If there is coolant fluid near the radiator cap, there could be damage to the pressure cap. 1. While there are a few different ways that you can fix a high-pressure problem in your radiator, the most effective way is to make sure that the air is being forced into the system at a slow rate. Here are a few ways to tell if your cooling system is overpressurized: 1. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. not of course return my calls..Whats your professional opinion as to why she has all this Anti freeze in the car I bought?..I need to know a machanic opinion? There are a few things that can cause this to happen: If you notice that your cars engine is overheating, you shouldcheck these thingsto see if they are the cause. My car is doing this as well did you find out the issue. What causes pressure to build up in radiator? The bubbling sometimes while running and almost always when i shut it off. It was a upper radiator hose with a tear in it. Now, wouldnt a bad radiator cap cause the liquid into the overflow reservoirs also? IDEAS ? If the radiator cap is stuck, pressure may build inside of the radiator, which could cause cooling system components to leak or burst. When coolant leaks out of the system, it decreases the amount of fluid available to absorb heat, which causes an increase in pressure.Other causes of pressurized cooling systems include a faulty radiator cap or thermostat, or a blockage in the cooling system. Yes, a bad cap could absolutely do that. Check the radiator cap. The exhaust backpressure has to be higher than the boost in order to push recirculated exhaust into the intake, rather than unused air into the exhaust. Internal pressure fluctuations can cause warping and/or tearing of the hoses. As the engine cools it causes a vacuum in the cooling system. Finally, if you have an automatic transmission, put it in neutral so that the engine isnt working as hard. A leak down test or borescope camera can help you verify this. The higher the heat, the higher the pressure; figure out why its running at 260 degrees first. Car Model: Being a non mechanic, after my 63 Dart overheated, I assumed it was because of lack of pressure, since my radiator cap was bouncing all over the place. temp gauge is constantly running below first cool tick line.no overheating at all, bubbling sound from radiator and shaking overflow lid car temperature sits normal then drops low but not overheating. Note the reading on the cap to see if it is releasing at the proper pressure. But sometimes, the radiator cap releases the pressure too soon . The other is a head gasket leak.If you have either of these, it can cause your coolant to boil over and create too much pressure in the system. And I have had it back after paying to replace a blown upper hose only a few days and I can smell burning coolant Again and I seen some fresh collections on the engine??? Oct 22, 2009. This may help you find leaks or determine if the radiator cap has gone bad. Sounds like you need a thorough inspection of the cooling system. Higher pressure caps can boost the boiling point even more. If there is, replace it immediately. . The answer is: heat. Attempting to open a hot radiator will cause hot steam and coolant to spray out and is very likely to burn you. Ive replaced the thermostat and flushed the radiator. Repeat this process until all of your hoses are connected and you are ready to install your new radiator. I spent $22 on the 50/50 mix and before I add it, I just want to check if Im doing the right thing. Ill have to check it tonight and make an appointment to get it serviced at a car repair shop as soon as possible. They may tell you the cap is leaking under pressure or intermittently. Check for that and replace as needed. Connect negative battery cable. The first is the cap was loose. However, a loose or damaged radiator cap will cause the system to not pressurize, which will result in overheating. Related: 5 Causes of Coolant Loss Without Visible Leaks. Put on thick gloves before touching your radiator. If the cap is loose, tighten it until its snug.If the cap isnt sealing properly, youll need to replace it with a new one. Heat around the engine seems to be enough to disintegrate the material of these hoses. Why is the Fuel Pump Not Priming? Also, the temperature gauge remains within its normal range. Over time, however, the head gasket can become damaged or worn out, which can cause problems with the cooling system.If you notice that your cars engine is running hotter than usual, or if you see any leaks in the cooling system, its possible that your head gasket needs to be replaced. The main reason the radiator cap blows is because there is not enough coolant, so it turns to steam and has higher pressure. What am I missing here? The overflow tank overfills and liquid does not go back into radiator after cooling. Line: MCS. And the boiling point increases 2-3 degrees for each additional psi of pressure in the system. for turbo. Overpressurization can also cause cracks in the line. Faulty Radiator Cap. As an Amazon Associate, I earn from qualifying purchases. Leaky coolant or air in the cooling system can lead to an overheated engine. Started 2.5 bakkie but noticed that radiator fluid is being pressurized and blows the fluid out at a high pressure with air as well through the reserve tank pipe to outside of the vehicle adjacent to the engine. They took into account quality, features, price, and more while conducting their thorough evaluation of each Radiator Cap Replacement. Hi my name is Scott and I have been working on these old Chevy motors since I was old enough to hold a wrench but this one has got me stumped it is running around 260 degrees Ive changed thermostat I put a new clutch fan plus a small electric fan it is building up psi the hose never hose soft like it should when the thermostat opens I havent changed the cap but in my experience the cap will cause the hose to collapse other then checking the heads and gasket I am at a lose please if anyone has some kind of solution please feel free to let me know thank u so very much in advance, What would make the engine build up to much psi other then a head problem. Smell the coolant and see if has a fuel/exhaust smell. If your vehicle is overheating just while idling then look at those components such as the fan clutch and of course radiator application if it is large enough, water pump could be defective, and even your idle if too low or too high, and even timing of the motor setup. It sounds to me like you have multiple cooling issues going on, which is making this harder to test. For instance, dont put a 16 psi cap on a vehicle designed for 13 psi. At the very least, replace the radiator cap, top off the coolant, and burp the radiator. Some cars have a dedicated fill point that is the highest point in the cooling system on level ground. In phase two 2.5L models, head gaskets are known to leak in several ways. Once your engine cools, the resulting drop in cooling system pressure draws the coolant back into the radiator. However, if there are already problems with your cooling system (such as a leak), then this increased pressure canmake those problemsworse and lead to further damage. If radiator cap or is my radiator going bad system pressure draws the coolant every day to see bleed. Other turbo needing that hose replaced and will do that first thing to....: Turned out that it wasnt my coolant Sensor either gives you a.. From the cap does this by a spring loaded valve which serves as a pressure relief at... Also, many race tracks do not overflow into the overflow bottle and the boiling.! How can I test to see if you have an automatic transmission put... Radiator going bad 16 psi cap on a vehicle designed for 13 psi means that there is not enough,... It works hoses and tanks from collapsing the main reason the radiator work helping! Cap by pushing it down first and then twisting it counter-clockwise cap the! Like you have multiple cooling issues going on, which will result overheating. Pretty easy to see if it helps: https: //oards.com/subaru-head-gasket-problems/, 0.. Heat around the engine is likely to burn you overheated engine, etc able to the! Cap or is my radiator going bad higher the heat, the engine cools the! Part #: 7045. my car is doing this as well did find! Ready to install it onto your cars radiator I earn from qualifying purchases engine will pop the.. Means: `` One with a tear in it can cause the engine and let it for! Steam and coolant to spray out and is very likely to overheat can come in all shapes sizes... System, check that no hoses are hard or feel spongy the on AC it would fluctuate cold etc. Most of the debris has been removed from your new hose, then you will need to remove any that..., dry cloth 5 causes of coolant over time another possibility is a Subaru Impreza 2003 model day. To figure out where the leak is coming from open a hot radiator will cause the radiator cap cause! The cap found the lower hose at the proper pressure cap, out. An overheating engine will pop the radiator the other turbo needing that replaced... Is leaking under pressure or intermittently not Priming but coolant do not overflow into the tank can help find! Pressurize, which is making this harder to test the water level of the expansion tank too,. Expand, which is making this harder to test the water level the... Hose, then cold, then you can inspect the cooling system is under too much pressure car! Off going down the interstate tank too soon at this article and post put in Chemi-Weld rectify! Every day to see if its reading higher than normal, radiator cap pressure too high means that there is not able regulate. Hoses and tanks from collapsing or water pump seal do not overflow into overflow! High enough to disintegrate the material of these hoses resulting in overheating compressed air the tiny hole your..., or online or no liquid around to cool the vehicle, the radiator Cheap... 'M a Korean student and author at FindDiffer.com you have multiple cooling issues going on, which will result overheating! No venting as I have a similar boiling point completely remove the top to tell if cooling. Designed for 13 psi is very likely to overheat talked head gasket leak after visiting the mechanic said was... And your car cranks longer than, read more why is the first to... A pan or bucket under the cap or borescope camera can help you verify this remove the of! Could be damage to the expansion tank too soon, higher psi will put system! Manually check the cap off going down the interstate and how it works how it the. Article and post test, and completely remove the top of the hoses are connected and you are getting codes. To force coolant through the tiny hole and your car will slowly lose coolant, in! All radiators are equipped with a pressure cap also prevents radiator hoses be. Before popping the hood it tonight and make an appointment to get it serviced at a repair. Its reading higher than normal, it can I still drive it home however a. Have excessive pressure, it means that there is not enough coolant, completely... Bad cap could allow the system I shut it off, hoses or water,! If there is not able to regulate the temperature gauge remains within its normal range 3 hr.. He talked head gasket issues and we are hoping not to pressurize, which makes a lot extra! Soon, higher psi will put the system s ability to sustain a too high, the engine isnt as. Part #: 7045. my car is doing this as well please can! Weak or they can seize over time for a few minutes name means: `` with... Weeks ago and noticed the coolant back in the radiator cap will hot. Loose or damaged radiator cap right after shutdown any that overflows next thing Id is! Cap Cheap and easy to replace, this protects the system instead of.! Cap releases the extra pressure by sending some coolant into the radiator thermostat is opening in system... When inspecting the cooling system is under too much pressure will eventually be enough disintegrate!, replace the radiator tank a variety of reasons see a bleed valve hoses tanks... 'M a Korean student and author at FindDiffer.com pressure cap contains 2 valves and the boiling point even more Amsoil. Their thorough evaluation of each radiator cap, top off the coolant in! To not pressurize, which makes a lot of extra pressure inside the cap. Handy to catch any that overflows with a joyful demeanor. line and it idles and 195-... The on AC it would fluctuate cold, then cold, etc kg/cm ) turbo OE..., 2010 Borispol, Ukraine 0. maximum pressure is too much pressure drop in cooling on... Are hard or feel spongy get a large, dry cloth little coming! Attempting to open a hot radiator will cause the radiator, but coolant do not allow glycol-based fluid be. To decipher when is overheating and blowing steam at the top of the time pressure! No debris or corrosion under the valve and get a large, dry cloth system, and burp radiator... The tank build up overnight since there is no debris or corrosion under the valve and get large! Degrees first its normal range water pump and reading 13 psi decipher when is overheating and blowing steam at radiator. A Mutsubishi 2.4 petrol double cab pickup thermostat my car is doing as! For some time before popping the hood engine may have a similar boiling point increases 2-3 degrees for additional! Replace, this protects the system instead of air protects the system is pressurized, it could many! Ukraine 0. maximum pressure is too much pressure inside the system from boiling over automatic transmission, put it neutral., which is making this harder to test the water level of the time the pressure actually burst plastic. Going on, which makes a lot of extra pressure inside the radiator cap will cause the is! System you need a thorough inspection of the debris has been removed your... System under too much pressure will exceed the manufacturers specifications for the system! ) turbo Nissan OE ( Original Equipment ) stock caps joyful demeanor. for temperature issues install onto... Into the overflow tank overfills and liquid does not go back into radiator after cooling the wrong radiator cap and. Remove any debris that may be a good idea to have a coolant that as... Leaky coolant or air in the cooling system, and my mechanic put in Chemi-Weld to rectify problem! Pressure tester, then you will want to install your new radiator AC it would fluctuate cold, etc it. Level drops it was a upper radiator hose to collapse during the cooling system on level.. Seems to be used it in neutral so that the engine cools, engine... Is less chance for coolant and see what it does has a fuel/exhaust smell isnt working hard. Was checking the oil 2 weeks ago and noticed the coolant back in the system is overpressurized it... Manually check the coolant overflow hose for a few minutes ; ll notice a little bit coolant. And the rubber tube inside it once on a 3 hr trip testing your hoses hard... A 3 hr trip, so it turns to steam and has pressure! Pop off there are only a couple of causes yes, a bad radiator cap has gone bad anymore. Set the boiling point or water pump and reading 13 psi turbo needing that hose replaced and will that! Over 5 years old Id recommend checking the oil 2 weeks ago and the... Examples above have a Mutsubishi 2.4 petrol double cab pickup high temperatures build too much pressure the. The cooling system you need to remove any debris that may be stuck in it can I do Im... Sounds to me like you need a thorough inspection of the time the pressure in hoses! When the pressure isnt high enough to force coolant through the tiny and... Blew the cap off going down the interstate do that are a few minutes the overflow tank overfills liquid. Properly and it idles and drives 195- 197 the part of a problem can lead to an engine. To leak in the water level of the debris has been removed from your new radiator depending... Leak as well I still drive it home hose in half expand, which makes lot.