This is kind of like a vacuum effect where the pressure decrease allows the excess coolant in the overflow tank to flow back out of it, so it can return to the radiator. Coolant pushing into overflow tank. If you’re lucky, it’s a cheap and simple fix. It has nowhere to go except out. If it turns out that you need repairs, I'd find a different shop. 2, I'm seeing my Case ambient temp rise to about 45c running prime95. Locate the radiator, access the drain spout and then loosen it. Or is it just pushing out into a bottle? a new radiator and radiator cap were installed 40k after rebuild. I stopped the carfor 20 min and then filled it with water. Top 4 Bad Coolant Expansion Tank Symptoms. In sept 2014, raditor became leaky during the driving but indicator did not show overheat. Discussion in 'Troubleshooting & Diagnosis' started by muscl car, Apr 1, 2010. The most common reasons for a dirt bike leaking coolant from the overflow tube are: As the coolant vaporizes and passes out the exhaust it can appear that you're losing coolant to nowhere. 07 4300 pushing coolant out of overflow jug. 2003 chevy venture overheating, radiator pushing coolant out reservoir. Post Dec 04, 2010 #1 2010-12-04T03:17. my 07 is pushing all the antifreeze out the rad cap. I had a problem with my 1995 Toyota Camry. Thanks for responding and good luck others!! The plastic radiator are light weight, but tend to ware out faster. Joined Jun 23, 2013 Messages 1 Points 0. Good luck. 714. 650+ Posts. coolant. I agree with your general consensus to change the radiator cap, perhaps the excess pressure is whats pushing all the coolant out of the reservoir. During AX, the overflow will get maybe 3/4 full, but it's all sucked back into the system after regular driving. Start your car and check the system pressure. I'm wondering if it be better to use the radiator fans to blow the air out of the case? Do you have to refill the radiator with fluid after every ride? Save Share. How can you tell the radiator is running out of coolant? If it's going to the bottle then it's just the normal overflow and is designed to do that. 41 Posts . Drain out the coolant in a bucket. then bubbles were noticed. Radiator pushing coolant out. 1 ... What's monitoring of the coolant level (in the radiator itself) telling you? Discussion Starter • #1 • Feb 19, 2017. This never happens in daily driving, and the overflow won't change. But if you choose to ignore the problem, it will only get worse. As you seem to have replaced most parts, you really need to check the fan is working correctly, that is, switching in and out at the correct temperatures. The radiator cap was on but not seated 100%. We're pushing coolant out the overflow. You're just jealous because you can't hear the voices! When this begins to happen, coolant begins to back up, causing it to overfill in radiator by backing up the whole system, blowing the coolant out and overheating. If you're seeing gas bubbles or some boiling in the liquid when you remove the radiator cap, a cracked head or block may be to blame. room is about 24c. My first thought was too full, it will seek a level. Reply. 2004 honda civic coolant pushing out. Apr 1, 2010 #1. muscl ... while the outer two are reading 125 psi . Just started putting some miles on the Nova. Does not sound good, probably did some internal engine damage. just pushes it out the jug. I stop and check and sure enough, coolant is below the min line on the reservoir. Sent head to machine shop for cam bearings and checked for cracks. 2003 Dodge caravan pushing coolant out of res. New rebuild is pushing coolant out of tne fill neck and builds pressure when cold. 714. Do not remove a radiator cap from a hot engine to check. I would first pressure check the rad cap and make sure it is OK. Water Cooling . Repeat this process until you get clear water while draining the cooling system. B. billr wrench. A Stant would be a good choice. BTW, i replaced the thermostat about 20k miles ago. After a couple more runs and pushing more out, I pulled the cap and I'm down about 3" or so. It will push coolant out. BTW, i replaced the thermostat about 20k miles ago. Prev. So my cars overheating, and pushing coolant out the overflow today.... Quote; Post by longhornsqx4 » Wed Jun 24, 2009 8:15 pm . The radiator cap is no longer under the extreme pressure like normal systems. Fill your cooling system with distilled water. Water will not go into engine just keeps pushing back into reservoir. Replacing the radiator is recommended over applying a patch if the leak is found. This will push out coolant but only while driving making boost pressure. So hope fully something they are doing will fix the coolant problem I really hope. As the engine heats up the coolant expands and once reaches enough pressure coolant is forced out of the radiator to the overflow bottle. a bad cap would not put air in coolant to cause bubbles, it is now pushing coolant out of overflow so new cap is being put on to see if that is why its pushing coolant out. Cracked Head or Block. Yes, figure 100+#'s of engine compression vs a 12# radiator cap. Coolant is not very dirty No leaks (checked with a pressure tester too) Have bought 2 radiator caps and tried an old one (tested those too) Radiator is a year old And i know for sure it is coming from my overflow drain tube because i set the tube in a place that i could see it was draining and the tube and that area was wet. Technical Forums. Is it coming out and leaking onto the ground? I have cultus 2009. Hey there. Jun 23, 2013 #1 The thermostat and water pump has been changed,you can let it heat up bleed off system add coolant and drive,when u stop it heats again. You didn't say where the coolant was pushing out to. It seems to do this even when it's not very hot, so temperature, although related, does not seem to be the main issue. Tags: # m_ijaz (m_ijaz) 2015-03-23 12:44:33 +0500 #1. I have a 2004 Honda Civic that's driving me to drinking. Overclocking & Cooling. Take cap off, sit cap on radiator neck and push down with force while turning clockwise to tighten. jared allpoints. Turn off your car and drain out the distilled water. I bet if you run the engine from a cold start with the radiator cap off, you will see bubbles. The frontiers have a different setup on the cooling system. 1967 Olds Cutlass 468 BBC/T400/type O, 3.08,locker. So, for the last several months, my STI has been pushing coolant into the overflow reservoir and spilling it out if pushed on the track. The coolant will then contract instead of expand; resulting in the volume of the coolant decreasing. Jump to Latest Follow 1 - 20 of 20 Posts. Then I went to mechanic and got it repaired. Pushing coolant out of radiator even when engine is cold, … Jump to Latest Follow 41 - 55 of 55 Posts. If the cap turns out to be OK, I would suspect the head gasket is blown. The radiator will overflow to the reservoir but will not suck coolant back into the radiator. If it's because the Temp Sending Unit gauge is showing the engine is running hot, and you have been driving it a while like this, you may be beyond the initial cause for the leak and may now have a secondary leak, like a bad head gasket. I have seen them fail and allow coolant to come out. When the coolant stops flowing, residual heat in the engine can boil the coolant, forcing it to flow back to the reservoir, in excessive quantities. Not any thermostat = not putting in a "fail safe" thermostat. Engine Cooling problem 1993 Nissan Altima 4 cyl Front Wheel Drive Manual 1993 nissan altima 2.3 eng. If you may or may not have noticed, the reservoir is now the pressurized portion of the system. jared allpoints. Ive had a problem for the last 2 weeks, just havent diagnosed or got the money to fix it really at this second. You need to determine the cause. Thread starter zane11; Start date Jun 23, 2013; Z. zane11 Newbie. Staff member. Radiator Fan direction, Suck or blow, in or out? every 3 days I have to put coolant in the radiator so I take it to the shop and the said it need head gasket. Turned out to be the hose from the radiator to overflow tank had swelled at the radiator end and coolant was being pushed out the hose and not thru it during pressure. We sent the radiator to get rodded out since it is removed. Otherwise, sometimes only one ear catches on the cap and it doesn't seat properly. he was checking the coolant level and saw them day after radiator was installed. if i take the cap off and let idle it shoots about a foot out the top. Registered. It pushes coolant out of the radiator and into the overflow tank, even to the point of overflowing the overflow tank. Temp is running good at 180*. 6. I have watched some videos on youtube and saw some builds place the AIO system with the radiator facing out right behind the front panel with the fans facing inwards behind the radiator doing a pulling in. Any visible leaks or results of leaks? So I replaced the radiator cap and checked the overflow hose for leaks, still no different. Dispose the old coolant. Get a cooling system pressure test AND a cylinder compression test which should tell you I there is internal damage like a blown head gasket. Mechanical/Electrical. I'd like to know if you get better results by pushing air into the radiator than pulling air through it. Save Share. Joined Mar 12, 2007 … Hey guys, so in the last few weeks I have noticed the old girl has been pushing out coolant into the overflow and not recovering it into the rad when it cools down.. If you're losing coolant from your brand new cap then you're probably not going to like what you find in your pressure test. If your is pushing out at idle. its not overheating, not smoking out the tailpipe, and not in the oil. Cheap .20 zip tie holding it while I order new hose. I added some water, unloaded and went on about my way. They are installing new thermostat also rod and main bearings after seeing the cam bushings wear. A couple weeks later while I am out on the road, the low coolant light, check engine light, and stop engine light come on. The next day after I got loaded again and back on the road, all three lights come back on again. 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