Coolant Disappearing But No Leak

The lack of any evidence could mean that the coolant is only disappearing when the engine is running and/or the engine is hot and the coolant is under pressure. See full list on doityourself. Call it antifreeze, a coolant, or even radiator fluid; the purpose is to maintain the engine’s cool. I'm losing more than 1 gallon per day, my "low-coolant light" comes on about every two hours, I have to stop and put water/coolant in, its very inconvenient. He hasn't replaced the radiator yet, just keeps topping it off, since the loss is so gradual. We found it almost by accident. If it is, the oil will be over-full and will look like a chocolate milk. Don't know whether they lied or not. I have issues with my coolant disappearing very quickly. Doesn't use another drop of oil until the next oil change. This often happens. This is a known issue with VW engines including the MKIV, and it is the most common cause of a slow coolant leak for this vintage engine. If I top it up it just seems to self regulate somehow. It is a consistent level down. Naturally I filled it back up. I replaced the thermostat twice as well as the radiator, water pump, lower heater hose that was leaking, radiator cap and the coolant temp sensor in the side of the water box. Hello, new to this place[but I lurk], I drive a 2010 Prerunner 2WD 4. Theres no water in the oil. Checked the oil, low. There are no fluids leaking that can be seen on the pavement or anywhere under the vehicle. I checked and couldn't see any leaks and temp was steady at 90 degrees with no pressure in expansion tank and no sign of any oil in the water. no - Answered by a verified Ford Mechanic. Finding small coolant leaks can be extremely difficult. So a bad radiator from the factory. It’s not uncommon for Mini owners to experience problems related to coolant leaks. Usually if you have a leak of ANY kind you'll run through the coolant and start overheating within a weak or two because the cooling system is pressurized and even a small hole under pressure lets out coolant pretty easily. Usually with Subarus it is coolant leaking into your exhaust not into your oil like other types of head gasket failures. I m filling the coolant reservoir about a quart a week. This will result in a low coolant level and decreased cooling of your engine. My truck ain't running hot or overheating. Coolant Leak. lurker99 wrote: ↑The coolant was disappearing and got P0304 (miss-fire cycle 4) and P0420. Disappearing coolant in a VW Passat Honest John suggests a few solutions for readers problems with disappearing coolant in his VW Passat. the disappearing coolant may be leaking from the little drain hole in the water pump housing. Coolant was still slowly disappearing but at a much slower pace. I chased a coolant leak for a year in a '97 Camry. Never seen a 660 leak at a gasket though--but it's the most likely place IF it's not leaking coolant somewhere else. The coolant leaks directly onto the downpipe and can burn off before you notice it. First, if you only look after it has disappeared, there is no coolant left to be leaking Second, coolant will often leak only under pressure, when it expands from being hot. Some oil coolers circulate oil inside a chamber that is filled with coolant. The rear diff whines quite abit when in 4WD is this normal or could it indicate low oil 3. Long story short, I lost coolant, initially 1 cup/100 miles, then the loss accelerates to 1 cup/30 miles. Coolant is burning/disappearing. View 2 Replies. The independent garage I go to changes the oil & filter every 6K miles with Mobile1. Any ideas I read that the white smoke is likely a coolant leak but when I opened up the hood it look as if the leak must have been spraying straight upwards and then dripping back down and I can 39 t figure out where it 39 s coming from. 6-liter four-cylinder engines that could have an engine coolant leak. Suddenly it started leaking so the dealer kept it for 2 days to diagnose and pressure test when cold. I have parked it over cardboard overnight and everything to see where it is leaking but there were no marks. If you ever have coolant loss without any leaks, pull the gas tank and remove the breather tube that goes to the tappet cover. Coolant is disappearing, 2 No visible external leaks, 3. Is there any obvious signs on the 5. I read too that it could be a deteriorating coolant reservoir or cap, which may have been aggravated by the pressure test causing the coolant to leak around the mouth of the tank and perhaps elsewhere, creating the distinct burning smell. But there is water/coolant just sitting in the hose running from the water pump to the radiator. Especially if a car is a newer model, most people just assume everything’s OK, or that a light will show up on the dashb. I currently have coolant fluid leaking from a recessed bolt of some sort on the driver side on my cylinder head on my 2008 Mazda 3i 2. I bought this in-store which was more than buying it online by about $7 - and I really thought I'd wasted the $27. Normally the owner has tried in vain to find the leak and sometimes, multiple auto repair shops have been unable to find a source. 6:30AM GMT 22 Dec 2009. my car: 1987 300E, m103 engine - approx 206,000 PeachParts Mercedes-Benz Forum Disappearing Coolant 300E - PeachParts Mercedes-Benz Forum. Quick update - so 3 months, a couple of thousand miles later and no leaks, no overheating. Luckily, brightly colored coolant (a. Can be a bit rough to start sometimes with a bit of smoke. I've looked under the oil cap and theres no white milky substance, i can't see any leaks underneath it when i move it and none of the hoses seem to be loose. There was fluid leaking from a loose hose clamp. But - am definitively losing coolant. kind of strange. I spent about 30 minutes tearing the plastic cladding off the bottom of the car (there's a billion clips and screws holding those on) hoping to find some trace of a leak or blowout. My 2007 Town and Country's coolant magically disappears after two or three days of driving and there's not a single leak. I cant see any leaks I will check, nor is there any oil in coolant and no milky stuff in oil under cap. I replace the bypass hose twice replace the top radiator hose the housing the thermostat it’s still leaking coolant on the top right or driver side it’s above the water pump and timing chain gasket. Viewed 18k times 2. Why do you want to run without pressure on the system? Is your coolant "disappearing" when the system is pressurized? Do you have a leak you can't find?? Having that 15 psi radiator cap tight keeps the system from boiling over at 212. No more burnt coolant white ish smoke. No visible leak anywhere but coolant mysteriously disappearing over the course of the week. That's a mixture of half water, half coolant In the old days, you had to make measurements yourself and test the mixture to get it right. I added a dye pack to the coolant, then drove around for a few weeks. Ford dealer says I have coolant dripping on a couple cylinders, only way to fix is replace engine, they said it's not head gaskets. ) If this is your primary vehicle, take it in. The oil is normal color and the exhaust is not blowing out white smoke,so where is the coolant leaking into?. An antifreeze leak can occur through a hole in your radiator. If you put a pressure tester on the bottle no pressure will come from said overflow. About 2000km later it overheated again. The fact your low coolant light came on after driving it ten mins could simply mean it burped the remaining air in the cooling system. If the white smoke is exclusively from the exhaust pipe, a leaking cylinder head gasket would be a suspect. A more mysterious coolant loss problem involves no evidence at all of leaks or puddles, yet shows a definite reduction in radiator coolant levels. the major problem is that his coolant slowly dissappears over time as he drives, it also occasionaly overheats. it is a 4 cyclinder aluminum sohc engine. 0 OHV Tech: 13: 03-25-2011 07:52 AM: Radiator/coolant question: Red98: 3. I found the leak in the radiator on the seam between the core and the top plastic tank. Hell most cars I owned for years on end never required me to add coolant. I didn't have any noticeable leaks for the first 13k of this car's life but it continued to lose coolant. Check all 6 cylinders for signs of the dyed coolant. Top it off to the full line and keep an eye on it for now. No biggie, fill it to the cold line and forget about it. Replaced the head gasket and working now. Pressure test and a test for exhaust in the coolant failed to confirm a problem. Disappearing Coolant. Coolant disappearing with no visable leaks and white smoke outta exhaust Wednesday, 03 October 2018. Now a week later and coolant is dissapearing but there is no visible coolant under the jeep. I was thinking it was a freeze plug of sorts but it is threaded with a hex head. I could smell the telltale sweet smell of coolant at the front of the engine but didn't see anything. The fluid evaporates on the hot surface leaving literally no trace of the leak. I've checked all the usual spots for a NorthStar to leak, T-stat housing, water pump, heater hoses, T-body, radiator tanks and nothing is out of the "norm". I once got two and a half years out of a bad head gasket using bars leak. Joined Apr 5, 2010 · 18 Posts. I'm confused as to where the coolant went. I have a new water pump. The coolant is meant to stay in the system for the most part. If no leaks occur, then you have fixed your coolant leak. No weeping at water pump. Losing Fuel Coolant - No Obvious Leaks. Long story short, I lost coolant, initially 1 cup/100 miles, then the loss accelerates to 1 cup/30 miles. For you to lose that much coolant in your system it should be pretty freaking apparent if you do have a water leak. Not overheating, oil cap black, no exhaust gases in radiator, no obvious leaks. No outside leaks to be found (cardboard under vehicle). And I had also parked the car in the grass. Are there any known coolant passage flaws cast in these cylinder heads. Any of my search term words; All of my search term words; Find results in Content titles and body; Content titles only. I once got two and a half years out of a bad head gasket using bars leak. Strongly recommend you have your vehicle checked by a competent mechanic. There were no leaks evident, no drips on the ground, oil level and appearance were normal. 2002 Ford Ranger 4. Although I would think that with as much coolant as you're describing even a leak there would show up on the dust sheild. A leaking head gasket or cracked cylinder head are common causes but. Using coolant but not consistently, can do the same journey and coolant level either stays the same or it loses some. One was the plastic tanks on the side of the radiator, one was the quick connect coolant hose on the front passenger side of the intake manifold and the last was the heater control valve. ) If this is your primary vehicle, take it in. Also replaced both radiator hoses shortly thereafter. Just under 3k Topped the overflow bottle off after last ride, machine hasn't been started since. My coolant is disappearing, I decided to look in my rad. I have a similar problem and can't seem to trace the leak. Citroen C5 Hdi (2001) - Coolant loss without leaks nor head gasket probs - Peter. If the EGR cooling system develops a leak, water can escape into the recirculating exhaust gas, and pass through the engine, and disappear out the exhaust pipe, with virtually no symptoms, except of course for gradual coolant loss, the cause of which can be hard to diagnose. No external leaks, no WP seal or gasket leaks, heater core seems OK (no smell in car, no coolant in condensate rain) no coolant indications in engine oil or ATF. Solving The Mystery Behind Coolant Disappearing From Reservoir With No Potential Leaks. I’ve had a slow coolant leak for some time now in my 86 SS. The fluid evaporates on the hot surface leaving literally no trace of the leak. You did not mention if the drive an alpha or bravo? If alpha, does water get picked up from the drive or is there a thru-hull fitting. The independent garage I go to changes the oil & filter every 6K miles with Mobile1. Mine turned out to be a cracked head. 6 Well don't want to be a laughing stock on ttnis forum but anyone tried like blue devil or K&W block seal on these 1. The coolant level has dropped. Look for coolant leaks. 4: you have a freeze plug that is leaking, but it might be in such a location that you cant see the leak, and by the time you check the coolant in the morning, all evidence of the leak is gone. Here's the kickers that make no sense to me A) I have no visible leaks under the vehicle, ever. Water mixed with coolant will evaporate, especially so if the content is more water than coolant. If its full of white milky snotty goo, replace your water pump seal. Good thought on the coolant check. Im leaning towards the electric water pump being faulty so Im looking into replacing that and the thermostat. My '05 Mini Cooper S has the same problem with it. I also lost coolant before I changed out the lower intake manifold. I m filling the coolant reservoir about a quart a week. Hi everyone, I have just had to top up the coolant for the second time on my 09 XF-R in 3 or 4 months. I have a similar problem and can't seem to trace the leak. All mechanical, collision, and frame work is done here at 14857 Burbank Blvd. The rear diff whines quite abit when in 4WD is this normal or could it indicate low oil 3. This is a fastener-by-fastener description of how I diagnosed and repaired a slow coolant leak as a result of a bad coolant hose flange on a 2001 VW MKIV Jetta Sedan with automatic trans and 2. I could smell hot/burning coolant but couldn't find the leak. 2) and Internal leak I. There is no visible leak that I can see and no puddle underneath at home or at the office. Do it today or tomorrow, do not delay. Still believe that coolant disappears. The rear trunion mounts. When it does occur, however, one of the following symptoms is usually the cause: a cold system with gases trapped in a cold thermostat, or disappearing coolant with no apparent leakage. No CEL or other codes that I can see. Jul 24, 2011 #8 guy n. I took it to my mechanic and it turned out to be a water pump. It could leak there and you might never notice it. I t has 175,000 miles on it and has been using coolant ever since we bought it at 100,000 miles from the smother-in-law. nothingseemed a mystery. I can smell anti-freeze from the general area of the engine bay when stood outside the car when the engine is running, and also through the interior air vents, so I guess there must be a leak somewhere. I went to a local AutoZone and rented a pressure tester for coolant system. I had disappearing coolant for about a year, about two fingers at the recovery tank every 3 weeks. Previously, An EGR cooler pressure tester adapter set, EN-48974, was shipped essential to dealers in December 2007 to diagnose EGR cooler engine coolant leaks on all Duramax™ engines equipped with an EGR system. I have coolant leaking from the motor mount bolts on the bell housing. And previously I took off the engine plastic cover underneath. If your car overheated and you are loosing coolant but no leaks are found the coolant is going somewhere. Solving The Mystery Behind Coolant Disappearing From Reservoir With No Potential Leaks. Checked dipstick again today and oil is fine. Can anyone help me find this leak on my 2002 Dodge ram 1500 5. Discussion Starter. Why do you want to run without pressure on the system? Is your coolant "disappearing" when the system is pressurized? Do you have a leak you can't find?? Having that 15 psi radiator cap tight keeps the system from boiling over at 212. Coolant disappearingwhere? Not mixing with oil Hey there everyone, i'm sure these topics have been beat to death but i'm losti've read all the related posts a million times and still unsure what to do, i have a 99 grand am GT 3400 V6 and for the past year and a half i've noticed i've had to add coolant to the reservoir about every 2-3. The video above shows you where the coolant reservoir, hoses and connections on your 2002 Focus ZX3 are located and the steps needed to fix minor leaks. Call for your Mercedes service needs and repairs (818) 989-6028. Since then, he has a mysterious issue of coolant disappearing but absolutely no leaks on the bike. I am fearing that it could be a blown head gasket but the van is running great besides the fact that the coolant is disappearing. Question: “My car has no apparent leaks, but is losing water at a rapid rate. I got out to inspect the car. at 25K i did it again. Call it antifreeze, a coolant, or even radiator fluid; the purpose is to maintain the engine’s cool. However there is no leakage inside the car or excessive fogging. Coolant leak 1. I was able to do this because I have an off road tune as is made by GDE & PPEI. Mystery coolant leak. The gasket can leak at this location. Even with the crust formation, I had a hard time finding the leak because it was on the heater hose near the firewall. Mine turned out to be a cracked head. My heater only gets warm and not hot, and at idle it goes from warm to cool. Cold Coolant + Closed Thermostat. There was fluid leaking from a loose hose clamp. Last Spring, I tore down the motor and changed the headgaskets, but the disappearing coolant problem did not stop. No job is too big or too small. 1,250 miles later doing a quick check and coolant level down maybe 1. There is only two places coolant can "dissapear" 1) An external leak somewhere in the system. Sometimes a leak in the oil line inside this chamber can cause oil to leach into your cooling system. Viewed 18k times 2. Recently I noticed that coolant is leaking. I tried K-Seal to no avail. My radiator is full of coolant and filled to the top. The gasket can leak at this location. I have an issue with the coolant. Also might want to look around the passenger wheel well liner it make be coming from the overflow. The expansion tank often becomes brittle and leaks below its location (in front of the driver’s side wheel on most models). If I top it up it just seems to self regulate somehow. They never saw it leaking on the ground, it just continues to be low on coolant. That said it might be internal so best if you have a complete review to rule out gasket, rad or engine internal leak. It could be something as simple as a leak in the new radiator. I have issues with my coolant disappearing very quickly. no puddle). Naturally I think there's a leak. Can anyone help me find this leak on my 2002 Dodge ram 1500 5. Rodimus, I can only guess that after hard driving the engine is hotter and therefore the pump spins faster which in turn creates more pressure. How to put pressure in the cylinder. It's a know problem with 2002 & 2003, but Nissan won't do a recall. He didn't do an amazing check through everything, but had it for a week and it was fine. And that "steam" you see coming out your tailpipe is your "disappearing" coolant, after it's been vaporized inside your engine. 0 OHV Tech: 4: 03-25-2011 09:23 AM: Disappearing Coolant: ERO: 4. 6:30AM GMT 22 Dec 2009. I cannot find a leak. nothingseemed a mystery. Coolant disappearing, no symptoms of head gasket leaking. I had an Pontiac years ago that came with an Olds engine with known head gasket issues and my coolant leak was being burned out the tail pipe from a warped head. It is a consistent level down. Fluid will leak from the high to the low, or from oil side into the coolant side. Would seem you have a slow leak probably if your coolant is disappearing? Keep an eye on your dip stick and oil to be sure no water droplets ever show up. The 2004 Chevrolet Tahoe has 15 problems reported for always adding anti freeze, but have no leaks. coolant leak at bellhousing: petewentsailing : 1 - 25-Jun-18 Original Post : 25-Jun-18 : 1986 st 6. another thing to try is borrowing a coolant pressure tester from someone you know or you might be able to rent one from advanced auto parts and pressure testing the coolant system while it is cold and checking for leaks that way. (The coolant vaporizes in the heat and 'steam cleans' the plug and in fact the entire combustion chamber of deposits. Also, have not noticed any performance issues or white/sweet smoke. Hi everyone, I have just had to top up the coolant for the second time on my 09 XF-R in 3 or 4 months. no - Answered by a verified Ford Mechanic. Can be a bit rough to start sometimes with a bit of smoke. Make sure you are monitoring the coolant level in the radiator/reservoir. From about 100k to 107k, the low coolant light had been occasionally coming on. If you are losing coolant and can see no outside evidence of the leak, my first inclination would be to pull the dipstick and see if the coolant was getting into the oil. The fluid evaporates on the hot surface leaving literally no trace of the leak. Sounds exactly like a Subaru head gasket failure. My radiator is full of coolant and filled to the top. Jul 24, 2011 #8 guy n. No pink flakes or oil issue/white smoke, but was still worried it was leaking somewhere. There are no fluids leaking that can be seen on the pavement or anywhere under the vehicle. A leaking head gasket or cracked cylinder head are common causes but. Now a week later and coolant is dissapearing but there is no visible coolant under the jeep. There is no smell of antifreeze anywhere, no aparent leaks or puddles, no steam from my exhaust - it's just disappearing. Apr 4, 2016 #1 Hi I have a 2005 Honda civic SE Coupe 1. 4 quarts is too much, especially if you only changed the thermostat. Have a 2002 Skoda Octavia tdi and for some reason its using a lot of coolant (seem to be topping it up every time i drive it!!). Had coolant leaking inside car, bypassed heater core for several months until I could replace it. Based upon readings in this forum, I am seeking advice regarding intake. 2012 f150 5. They topped up the system and bled it and I drove the 40 odd kilometres to home. We found it almost by accident. How to put pressure in the cylinder. Fortunately I was near home whan that happened. Rover 400 - Disappearing Coolant - R40 : Don't use Radweld on a K series engine! The engine design includes coolant paths that are very small bore and any leak plugger will just stop the paths up and cause you much bigger and costlier problems. In fact, the coolant condition in a diesel engine may even be more important than in a gasoline engine. I have found looking for spots on the floor/pavement or coolant residue in the engine compartment that kinda looks like a white colored salt type residue helps find tiny leaks. You did not mention if the drive an alpha or bravo? If alpha, does water get picked up from the drive or is there a thru-hull fitting. There's still no visible leaks anywhere and the temp of the jeep is still climbing each week. Joined Jul 1, 2009 · 26 Posts. No sign of coolant anywhere under machine. The coolant is disappearing at an alarming rate though, on drive from London to Oxford and back, i lost about 3 litres of coolant. Why do you want to run without pressure on the system? Is your coolant "disappearing" when the system is pressurized? Do you have a leak you can't find?? Having that 15 psi radiator cap tight keeps the system from boiling over at 212. I never smell hot coolant, either. My coolant level was slightly above the fill line post-repair, now it is right even with the fill. I cannot detect any visible leaks. Before I pulled the head, I'd put air pressure in the cylinder and see where the air is going. Added coolant and took very short drive. With that knowledge, I rode the bike to the dealer (+/- 600km) without issue, only to be told they didn't think they had the parts in stock!. My 2003 Z4 has been burning through coolant quickly. [Query:] I'm a little concerned about the accounts of casting porosity in the 6 cyl block or head. I had disappearing coolant for about a year, about two fingers at the recovery tank every 3 weeks. I will add Castrol GTX synthetic. I cant find mine either. But - am definitively losing coolant. I bought this in-store which was more than buying it online by about $7 - and I really thought I'd wasted the $27. And previously I took off the engine plastic cover underneath. This is a known issue with VW engines including the MKIV, and it is the most common cause of a slow coolant leak for this vintage engine. There has been a faint coolant odor when idling. Either the head gasket or intake gasket, maby even a possible cracked head, but if it was the head there would be other issues unless it was a very, very fine crack, I hope not. Then I poured the last gallon I had through the engine over apx 600 miles, adding coolant after it cooled down after every day's drive. Major Coolant Leak on first trip to SLO - Advice needed asap: General: 27: Jun 28, 2008: Advice on how to replace coolant on K7 gsxr1000: Maintenance and Repair: 11: Aug 14, 2007: Disappearing Coolant? Maintenance and Repair: 41: May 24, 2007: Triumph Sprint ST coolant change oddities: Maintenance and Repair: 0: Apr 15, 2007: 2004 ex250. Can be a bit rough to start sometimes with a bit of smoke. The rear mounts are on the marine gear in my boat. I cannot find a leak. Last Spring, I tore down the motor and changed the headgaskets, but the disappearing coolant problem did not stop. If you were to have a 50-50 solution, and you have the right pressure cap in place, the coolant level should not require refilling very often. I needed to add almost a gallon to bring it back to normal. A more mysterious coolant loss problem involves no evidence at all of leaks or puddles, yet shows a definite reduction in radiator coolant levels. Cleaned her up, tossed her back in. replaced pump and small hose still have leak. there is a dye that you can put into the system, run the engine for a few minutes, and then using a black light you can track down the leak. Transcript:So here we are today with a 2002 Jeep Liberty - a very popular vehicle - and we discovered this vehicle has a very slow coolant leak. I think he has internal coolant leak either at the cylinder head gasket or cracked head altogether. I've had a couple of coolant leaks over the years. The radiator is fairly new and is in good condition. I tightened mine with a 3/8 drive extension. I have since fixed this issue. it should flow smoothly with out bubbles (once system is purged). However, I have had ongoing issues with vapor coming out of the vents whether the AC is turned on or off with an awful chemical smell. Can anyone help me find this leak on my 2002 Dodge ram 1500 5. Rover 400 - Disappearing Coolant - R40 : Don't use Radweld on a K series engine! The engine design includes coolant paths that are very small bore and any leak plugger will just stop the paths up and cause you much bigger and costlier problems. Direct fit. [Query:] I'm a little concerned about the accounts of casting porosity in the 6 cyl block or head. But no visible leak any where. But no visible leak any where. my car: 1987 300E, m103 engine - approx 206,000 PeachParts Mercedes-Benz Forum Disappearing Coolant 300E - PeachParts Mercedes-Benz Forum. I suppose it could. You need to enable JavaScript to run this app. If no leaks occur, then you have fixed your coolant leak. cognito Secret Agent Member Supporting Member. No visible leak anywhere but coolant mysteriously disappearing over the course of the week. Great tips from you guys and cheap ones I can do myself! I'm leaning towards trading this one in for a 2011. I would bet that one of your hoses are bad and you are leaking antifreeze. Hdi engines are much better than the old XUDs for gasket failure, I have a 406 with over 200k on it with the original gasket and my C5 has done nearly 150 but when I was looking to buy these cars I came across several with leaky head gaskets. That finally culminated with coolant on the ground after sitting a few hours. I have worked on engines since the 1960’s, built hot rods with balanced and blue printed motors, and own and work on performanc. After a long period of time what we ultimately found here is we have a radiator that's got a hairline crack in it. If you own a diesel motorhome, there are a few things you need to know about the coolant/antifreeze circulating in your engine block. By Honest John. I will add Castrol GTX synthetic. Hi everyone, I have just had to top up the coolant for the second time on my 09 XF-R in 3 or 4 months. I take it out maybe two times a week. No contamination in the lube oil system. No not yet - any suggestions on a quick diagnosis and I am guessing this would solve my "All coolant disappearing on ignition issue" - it makes sense but again this has (according to the previous owners documents) been replaced in 2010!. There is only two places coolant can "dissapear" 1) An external leak somewhere in the system. However there is no leakage inside the car or excessive fogging. It only takes a few minutes do the testing. I have taken to keeping a 2l bottle of tap water in the boot in case i need to top up when i'm out and about. I found the leak in the radiator on the seam between the core and the top plastic tank. 2002 Ford Ranger 4. The hose pipe from hell is another candidate, located under the exhaust manifold right against the engine block. Had the same problem. I've got an '00 Durango R/T I've had since new (117k now), and in the last several years, coolant has been disappearing. I have 1990 Mustang GT. I've been loosing about a pint of coolant about every three or four months. First 2 of 3 Go to page. If you notice coolant disappearing from your engine’s reservoir or see white smoke in your exhaust. Mystery coolant leak. Ford Ranger / B-Series :: 1997 - Coolant Disappearing - No Leaks And No Smell. 3s and both have magical disappearing engine coolant. Vauxhall corsa 2004. They are known for mystery leaks of coolant. With another car that was losing coolant with no obvious sign of a leak proved to be due to bad coolant reservoir cap which when the cooling system was hot would bleed pressure and along with this water vapor. I added a dye pack to the coolant, then drove around for a few weeks. You may never see a small leak when the engine and coolant is hot because it evaporates immediately after it leaks. When the engine is running the oil pressure will be significantly higher then the coolant pressure. Absolutely raging. Fluid will leak from the high to the low, or from oil side into the coolant side. I cannot find a leak. When the system is cold, a head gasket leak could cause gasses to get trapped inside. My 2003 Z4 has been burning through coolant quickly. Direct fit. I checked my coolant, low. Disappearing Coolant. If the EGR cooling system develops a leak, water can escape into the recirculating exhaust gas, and pass through the engine, and disappear out the exhaust pipe, with virtually no symptoms, except of course for gradual coolant loss, the cause of which can be hard to diagnose. Doesn't use another drop of oil until the next oil change. My engine was recently rebuilt and runs great,except for the coolant leak. The car is actually starting normal. Coolant Disappearing But No Leak | The Chrysler Minivan Chryslerminivan. Coolant loss with no visible leaks, oil is clean and level. at 25K i did it again. I'm thinking there is an internal leak and the engine is burning the coolant. Pressurize the system and hold it for many hours. if you have constant bubbles or water is pushing up and out the fill hole you probably have head gasket issues. Pretty sure it's fixed though. My engine was recently rebuilt and runs great,except for the coolant leak. Vehicle Information: Varioram Resonance. 5k miles after putting coolant in, I was nearly bone dry in the reservoir while the motor was cold. Check all fluids for signs of the dyed coolant. Pressurizing the coolant system to 20-25 PSI both cold and hot may help spot a small leak but there is no guarantee. Also replaced both radiator hoses shortly thereafter. Especially if a car is a newer model, most people just assume everything’s OK, or that a light will show up on the dashb. the major problem is that his coolant slowly dissappears over time as he drives, it also occasionaly overheats. If the car has recently overheated then this could have caused the head gasket to fail. I have a similar problem and can't seem to trace the leak. From about 100k to 107k, the low coolant light had been occasionally coming on. It’s gone again. We pressure tested it with no leaks. Nov 26th, 2019 12:35 am. Any reputable tech should have one of these kits in his toolbox. I could smell the telltale sweet smell of coolant at the front of the engine but didn't see anything. Does anybody have any clue. It took 15 quarts of 50/50 antifreeze to fill the system. No signs of leaks, no smell of coolant, no coolant in the oil, no. In other posts I've read that the coolant cap was defective and that solved the problem. Hi all - an original member but since lost my login details. An internal leak is within the engine and is harder to diagnose and no coolant leaks are noticed - the coolant just keeps disappearing. One was the plastic tanks on the side of the radiator, one was the quick connect coolant hose on the front passenger side of the intake manifold and the last was the heater control valve. The repair has been completed one month ago and I put 3000 miles on the car after the repair without any problems, no coolant leak or even any cold start problems, the temperature was low as 22F here, no check engine, this repair did not make any deferent except that it protects the engine from future internal leak. I like my Sonic but if this **** keeps happening with my heater and coolant its going to have to go. Vehicle Information: Varioram Resonance. Mechanic's Assistant: What is the make/model/year of your car? 2003 Lincoln aviator. The Check coolant level warning kept coming up from time to time and I had to refill the ***** every now and then and I tried to find if it was leaking somewhere but it wasnt visible anywhere - should have been as it was loads disappearing sometimes after a drive. I have been losing coolant. If coolant is disappearing and there's no sign of a leak, it's probably a blown head gasket and/or cracked block. Jump to Latest Follow 1 - 7 of 7 Posts. If it is a tiny leak. JohnD333 · Junior Member. Last couple weeks I have had to top up coolant. If the oil is over full and looks like congealed milk, then you have a problem. I have NO leaks and I did a coolant flush in the spring. No sign of coolant anywhere under machine. Is there any obvious signs on the 5. Water mixed with coolant will evaporate, especially so if the content is more water than coolant. With that knowledge, I rode the bike to the dealer (+/- 600km) without issue, only to be told they didn't think they had the parts in stock!. I figure with the cold winter temps, there is a gasket leak that slowly lose coolant during the warm up period, then it stops leaking when the engine is hot. Vauxhall corsa 2004. 6:30AM GMT 22 Dec 2009. no trace at all, but I can smell it when I stop somewhere and get out. If your coolant system overpressurizes, you may have some serious problems with that engine. If you have no leaks in or out of your car you have a problem with your engine consuming the water. I dreaded the water pump, although it was replaced in August 2010. I m filling the coolant reservoir about a quart a week. If no leaks occur, then you have fixed your coolant leak. The problem:. That leak is usually small and the coolant dries on block without hitting ground and the residue of dried coolant is hard to see. I hope it's not the head gasket that would suck. bought a Felpro kit at Autozone for $30 and going to tackle it Wednesday or Thursday. Barely a drop of coolant in the reservoir. If I see a drop in level then proceed to overhaul. If there is no visible sign of a leak, this usually means a bad manifold gasket, usually the intake manifold. ) You can have the oil analyzed for any presence of coolant related materials. It might be small enough that the coolant itself evaporates before it has a chance to leave any evidence. Normally the owner has tried in vain to find the leak and sometimes, multiple auto repair shops have been unable to find a source. I have 52k miles. I didn’t check the coolant level until yesterday. Knowing where to look helps and often a cracked cylinder head is the source of the problem. I suppose it could. Average repair cost is $3,220 at 75,100 miles. No weeping at water pump. If i drive for about 75 miles or so the coolant is way low. This type of problem will only get worse and lead to even greater problems if the leak isn’t fixed. I could smell hot/burning coolant but couldn't find the leak. If you notice coolant disappearing from your engine’s reservoir or see white smoke in your exhaust. There are no traces of coolant leakage on the pavement or under the car. I once got two and a half years out of a bad head gasket using bars leak. No visible leak anywhere. Since I'm having no issues since I've put this in, I'll see how this works out long term. A slow leak, however — say, from a bad head gasket — can also send enough coolant back through the exhaust system over time to clog your catalytic converter and contaminate the materials used inside of it until they are no longer effective. I'm losing more than 1 gallon per day, my "low-coolant light" comes on about every two hours, I have to stop and put water/coolant in, its very inconvenient. There is no smell of antifreeze anywhere, no aparent leaks or puddles, no steam from my exhaust - it's just disappearing. Discussion Starter • #1 • Jul 28. Just goin through the bike (1998 yz400f) to get ready for the riding season and I noticed that shes leaking coolant. I have a 2015 with 27000 miles, I noticed a slow coolant leak over the last 3k miles, dropped about an inch in the reservoir. Make tank became dry once again and my temp gauge keeps going back and forth from cold to hot. Although I would think that with as much coolant as you're describing even a leak there would show up on the dust sheild. cognito Secret Agent Member Supporting Member. You can rent the coolant pressure testers from the auto parts stores, at least the ones in missouri. You need to enable JavaScript to run this app. I've poured in more coolant, but it just keeps disappearing. I had exactly the same problem with my wife's Mazda 626 and the coolant was just disappearing with no trace of any leaks at all. No leaking to the garage floor. Like i said no leaks, no codes but at cold start the fan would kick in and the vehicle would go into limp mode after 2 mins of driving. I've got an '00 Durango R/T I've had since new (117k now), and in the last several years, coolant has been disappearing. I tightened mine with a 3/8 drive extension. Before I pulled the head, I'd put air pressure in the cylinder and see where the air is going. Jump to Latest Follow 1 - 12 of 12 Posts. Sometimes pressure testing does not discover a leak. Her coolant would be low by morning (more and more required every day), overflow bottle always full and puking over, overheating, excessive system pressure and no leaks. I have a similar problem and can't seem to trace the leak. When i was driving the other day the engine warning light came on and the car crawled to a stop, checked under the bonnet and the coolant had completely gone. There are no leaks, the engine never overheats or causes any trouble. After I'd changed everything and still losing coolant, I bought some UV dye through eBay and a UV light. The coolant is meant to stay in the system for the most part. In fact, the coolant condition in a diesel engine may even be more important than in a gasoline engine. Step 2 – Isolating the coolant leak. If there are no leaks in the external coolant system then that leeds to one of two problems. I also lost coolant before I changed out the lower intake manifold. today and to my shock, it looked dry, so I put about 2 gallons in the radiator and filled the overflow. This may also have been the source of your mysterious disappearing coolant, a possible leak around there maybe? But I would definitely check that out. My '05 Mini Cooper S has the same problem with it. If you cannot find the coolant leak anywhere with that, then I am out of ideas lol. Possible signs of head gasket failure include. Think another phonecall to CUK is in order. Using coolant but not consistently, can do the same journey and coolant level either stays the same or it loses some. My 2003 Z4 has been burning through coolant quickly. However, I found very little evidence of headgasket leaks (the overfillbottle would fill up, but found no coolant in the motor oil or vice versa, no white smoke or coolant smell coming out the exhaust, etc. 4: you have a freeze plug that is leaking, but it might be in such a location that you cant see the leak, and by the time you check the coolant in the morning, all evidence of the leak is gone. Even with the crust formation, I had a hard time finding the leak because it was on the heater hose near the firewall. The system should not lose pressure if there were no leaks. It could leak there and you might never notice it. I know its not a blown head gasket and have found no leaks. I can see a run of water from beneath it, but don't know if it's from the coolant bottle or a connection/pipe beneath it. no leaks found inside the car, no sweet smell either. The expansion tank often becomes brittle and leaks below its location (in front of the driver’s side wheel on most models). Many times I have replaced a thermostat, filled and bled the cooling system, only to find an o-ring on one of the coolant hoses that has failed and now leaks. During the past few years, taking care of your automobile’s radiator and coolant has become a lot easier thanks to the new long-life coolants on the market. About a month ago, my coolant level light came on and I topped it off. In that time frame, probably not putting 500-750 miles on it as it is my teen. So I've replaced my thermostat thinking that would fix the coolant vanishing problem, turns out it did not. I chased a coolant leak for a year in a '97 Camry. I am fearing that it could be a blown head gasket but the van is running great besides the fact that the coolant is disappearing. I found the mysterious pool of antifreeze, but again no obvious leak and the radiator and hoses seemed intact. If the car has recently overheated then this could have caused the head gasket to fail. Sure enough the coolant still reduced but at a lesser amount than with my cap, it reduced from Max halfway to Min. If coolant is disappearing and there's no sign of a leak, it's probably a blown head gasket and/or cracked block. They are known for mystery leaks of coolant. This morning she yelled at me check coolant Was low so topped up. Over the last couple weeks I have been losing radiator fluid and it has been getting incresingly worse. I once got two and a half years out of a bad head gasket using bars leak. Last Spring, I tore down the motor and changed the headgaskets, but the disappearing coolant problem did not stop. If you're loosing a significant amount and no signs of leaks then it's internal and likely a headgasket. The local shop says all seems normal including the water pump, hoses etc. nothingseemed a mystery. I had exactly the same problem with my wife's Mazda 626 and the coolant was just disappearing with no trace of any leaks at all. Cooling system: Sometimes an engine keeps overheating simply because of a leaking coolant line, and a simple repair by replacing that line can make the car run like new again. Jump to Latest Follow 1 - 7 of 7 Posts. I have issues with my coolant disappearing very quickly. if you have constant bubbles or water is pushing up and out the fill hole you probably have head gasket issues. it should flow smoothly with out bubbles (once system is purged). I am giving you a scenario regarding my vehicle: 1. No drips I can see. Topped it off and the light came on once more yesterday. There is no white smoke from the exhaust. If coolant is disappearing and not leaking out, that only leaves one possible explanation: Being consumed inside your engine. Refill just the radiator, same thing. Cooling system is under pressure , even thou the car is not running and the engine is cold both inlet and outlet hose is hard. I had disappearing coolant for about a year, about two fingers at the recovery tank every 3 weeks. Coolant will be lost at a vey slow rate, slow enough to not puddle on the floor under the car, when the radiator is leaking at the end tank tube sheet starts to seep a little bit when up to temp. There is no evidence of a leak on the garage floor or anywhere else. If the oil is over full and looks like congealed milk, then you have a problem. Mine would have dropped past this. NEW radiator leaking coolant into transmission: Gerry P: General Tech: 3: 09-13-2011 10:02 AM: Radiator Level Low, Coolant Still in Reservoir Still Has Coolant: DHowesGrnXLT4x4: 4. If you're loosing a significant amount and no signs of leaks then it's internal and likely a headgasket. I am fearing that it could be a blown head gasket but the van is running great besides the fact that the coolant is disappearing. Volvo Service called and advised radiator cracked and requires replacement, and there are some oil leaks. About 2000km later it overheated again. I looked at the radiator but once again no leaks. I had exactly the same problem with my wife's Mazda 626 and the coolant was just disappearing with no trace of any leaks at all. This will result in a low coolant level and decreased cooling of your engine. Luis, this is what I believe is happening, assuming of course that you're right about no leaks. My Sonic is a 2012, there should be no reason to have to add coolant to a brand new car. Like i said no leaks, no codes but at cold start the fan would kick in and the vehicle would go into limp mode after 2 mins of driving. I checked and couldn't see any leaks and temp was steady at 90 degrees with no pressure in expansion tank and no sign of any oil in the water. Now she is no longer a dirty girl as the exhaust is clean. When you get a crack in the block or the intake gasket you will leak coolant and oil, usually slowly at first. Disappearing external leaks (small WP leak or dripping on hot exhaust or block and evaporating before you can see it drip on the ground) and also internal leaks (into oil which should be obvious or into cylinder and getting blown out the exhaust). Page 1 of 2 - Coolant issue - posted in Performance and Technical: Hay people. Rover 400 - Disappearing Coolant - R40 : Don't use Radweld on a K series engine! The engine design includes coolant paths that are very small bore and any leak plugger will just stop the paths up and cause you much bigger and costlier problems. Mine was 4 years old on Saturday and as a present to me, it gave me the low coolant light on Saturday night. The independent garage I go to changes the oil & filter every 6K miles with Mobile1. No sign of it leaking anywhere! I purchased this car used this year with 65,000 miles on it and I totally regret it. Pressure test and a test for exhaust in the coolant failed to confirm a problem. No external leaks and no wetness on radiator rods and not the slightest, smallest drip on ground. Intermittent Cooling Warning Light If BMW coolant too low warning light comes on and then turns off the level may have dropped slightly. We found it almost by accident. It only leaks when the engine is hot and something expands. Coolant in. Then use the drip locations on the paper to narrow down where coolant may be running off the engine. Volvo Service called and advised radiator cracked and requires replacement, and there are some oil leaks. be/XKBk9ntork8. A slight leak, like a quart a every 2 or 3 weeks probably isn't enough to detect, unless you happen to be a blood hound or something. Where do I go from here?. Although I would think that with as much coolant as you're describing even a leak there would show up on the dust sheild. The OP says there was a puddle of coolant on the garage floor whereas the video you linked suggested that the head gasket is compromised and the leak is internal (ie. I cant see any leaks I will check, nor is there any oil in coolant and no milky stuff in oil under cap. All mechanical, collision, and frame work is done here at 14857 Burbank Blvd. Double check around the head to look for traces of burnt coolant and also look down by the waterpump. No outside leaks to be found (cardboard under vehicle). I am also facing coolant level drop in reservoir with my Innova. A repair to a cracked engine block or head gasket is an expensive repair. The car is actually starting normal. My Sonic is a 2012, there should be no reason to have to add coolant to a brand new car. My '05 Mini Cooper S has the same problem with it. The coolant leaks directly onto the downpipe and can burn off before you notice it. My 2005 Mazda MPV (130K miles) is leaking coolant somewhere but I have no idea where! Went throught an entire reservoir in 2 weeks time with minimal driving. Quick update - so 3 months, a couple of thousand miles later and no leaks, no overheating. The Fix: Repair or replace the oil cooler. So now I don't worry about it, I have a bottle of premixed coolant I keep in the boot, just in case it ever gets really low, but otherwise I don't really worry too much. Car doesn't normally go up to 97 degrees, usually idles at around 74-78 max. Try putting a teaspoonful of yellow food dye in the coolant. another thing to try is borrowing a coolant pressure tester from someone you know or you might be able to rent one from advanced auto parts and pressure testing the coolant system while it is cold and checking for leaks that way. Again visited the KTM ASC and asked them to check for any leaks, after two days they returned the bike and assured there are no leaks in the line. Before the secondary air could build up, the engine shut down because of low coolant. 1997 Ford Ranger XLT 4x4 3. the coolant will mix with the oil, and. I looked over the next few days for any signs of a leak and there were no signs. I noticed you were thinking your coolant miught be getting lost out of the overflow tank neck - here is what I found, I posted a bunch of stuff over on the jaymiller thread, but I was pushing coolant out of the overflow due to warped heads and poorly torqued head gaskets - no other leaks, no coolant in the oil or vice versa, no white smoke. Some guys I know ran without the cap to hopefully allow the water to not build up pressure and push back into the cylinder but usually the result of that is a lack of "back pressure" in the coolant and the combustion gasses leak into the coolant at a faster rate. Time to let the experts have a look, so I booked back into the main dealer. any solutions? rpms have to be raised to about 2000 for this to occur. I took it to the shop when it first leake/started disappearing four weeks ago and they checked everything including the hoses and said there's no leak so I tossed the problem aside. If you want to extra positive everything is working well, you can put pressure on the coolant system for 24 hours and ensure no leaks occur during that time. Citroen C5 Hdi (2001) - Coolant loss without leaks nor head gasket probs - Peter. Call it antifreeze, a coolant, or even radiator fluid; the purpose is to maintain the engine’s cool. (engine coolant going out the exhaust) Also check your oil to make sure the water is not getting into your crankcase. Part 2 ; the find https://youtu. If it is leaking into the cylinders, you may notice that the engine is running rough and that. No outside leaks to be found (cardboard under vehicle). My coolant level was slightly above the fill line post-repair, now it is right even with the fill.
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