Just put a wrench on it and give it a little push. Mine was repaired the first time with a rubber fuel line, and it blew out on an interstate just as I was in the passing lane. Transmission fluid leaks are rarely a problem that happens suddenly. Have you ever encountered a case like the transmission cooler lines leaking at the radiator? Fix Minor Leaks - Easy way to tackle minor trans. It leaks from the crimp and it happens on every Chevy and has for years. Do not use fuel line. i have a transmission cooler attached to my transmission. This is pretty simple. 5 Leaky Intake Manifold Gasket Symptoms You Need To Know! Any transmission that has a lower amount of fluid than it needs to function correctly will potentially lead to a sharp shift in any equipment. Jump to Latest Follow 1 - 11 of 11 Posts ... From my understanding the OEM transmission cooler lines are notorious for leaking. SSM 46198 – 2017 F-Super Duty – Leak from the Transmission Fluid Cooler Tubes. I recently noticed that there's minor coolant leak/seep from the transmission cooler line, where it connects to the radiator side tank on the driver's side of the vehicle. A leak in the transmission hydraulic lines that travel to the transmission cooler can empty a transmission of fluid at a slow to even dramatic rate depending on the size of the leak. 7. Share with us your thoughts by leaving a comment below. How Much do Transmission Leaks Cost to Repair? 0 star rated product (0 reviews) | #TR555. 8. If that doesn't fix it, replace the o-ring or fitting. Line leaks can be caused by rusted, cracked, or punctured lines. In most situations, a seal, gasket, or hose begins to seep a little transmission fluid. Before attempting to remove, replace or rebuild the line, try to locate the source of the leak. We will be delighted to entertain your queries and suggestions. Once the suspected parts are confirmed, then transmission cooler will be drained, followed by disconnecting the first line from the transmission. How To Replace The Evaporator Core On A Chevy Truck, Easy Ways on How to Change Transmission Fluid Chevy Silverado 1500, How to Check Transmission Fluid on 2003 Ford Explorer, What Everyone Wants to Know About The Power Steering System. ETA 01/01/21) Deviant Race Parts LEAK FREE Transmission Repair lines for 06-10 GM 6.6L Duramax equipped Pickups with the Allison 1000 Transmission. I went into a the dealer for a oil change to find out that both my oil and transmission cooler lines are leaking at the crimps on the fittings. It's coming from the transmission cooler line, it's not leaking from the connector or the rubber hose, its the metal part that leads to the radiator. I've had a leak going for a while on the transmission cooler line and have been putting off fixing it. Fixing A Leaking Transmission Cooler Lines, how to change transmission fluid Chevy Silverado 1500, How Deadly Are Hit-And-Run Crashes? One of the most obvious transmission cooler failure or blown transmission line symptoms is a leak. It is advised to make fixing of a leaking transmission fluid a regular habit not just on times where you will experience problems, so that further issues can be prevented. A Quick Review Of The Data, Top 10 Factors that Affect Auto Insurance Rates, How To Manually Move A Power Seat? However, high mileage vehicles may experience failure of these lines as their rubber parts will degrade over time due to age and heat from driving. 4. Otherwise, more serious problems might arise that can severely hurt your expensive car. It is like they design them to start leaking after a few years. An automatic transmission fluid leak may develop from the rubber section of a transmission cooler line. This can happen through wear and tear over time. Remove Dipstick - Access point for transmission fluid. The possibility of breakage or corrosion and coolant leakage into the ATF may be high if the ATF cooling system and the engine cooling system cross each other. If the transmission cooler lines are leaking, the leak will originate at the cooler, a connector, or a soft line. There will be two lines connected to the cooler, an input and an output. Shop OEM Toyota Part # 3294308030 (32943-08030). This will be very noticeable, especially if the transmission, transmission fluid lines, and transmission cooler are cleaned prior to inspection. Do not use fuel line. orcas_wash Posts: 1. Assess Leak - How to see if transmission fluid is leaking. You don’t see it until it gets a little worse. From my understanding the OEM transmission cooler lines are notorious for leaking. Transmission Cooler Line Leaking With Possible Fix Discussion in ' General Discussion ' started by Jason in DLH , Oct 11, 2020 at 12:54 AM . It was an expensive lesson! Check Level - Determine transmission fluid level. Transmission leaks can come from several places: Leaking gaskets or seals (including transmission fluid pan) Transmission cooler or cooling line leaks; A hole or puncture in your transmission casing Choose Advance Auto Parts for Transmission Line Repair Kit. MGMTF wrote:I noticed my trans cooler lines have some fluid on the outside of them and i assume its leaking some trans fluid.The level in the transmission has not dropped noticably so im not to concerned. Install our repair kit f If it is at a connection of rubber to metal with a crimped collar, yes you can cut the collars off and replace the hose with transmission coolant hose using hose clamps. There are many products you can depend on to fix the problem easily and quickly, such as the Transmission Seal Stop Leak Product. It is never a good idea to drive your car with the transmission fluid below the lowest level. Transmission Cooler Line Leak Help. Low fluid levels in your transmission can only be for one reason. As these trucks are getting a few years older, the transmission cooler lines can start to develop leaks. It is like they design them to start leaking after a few years. The local dealer told me that my transmission cooler lines were leaking and need replaced which he quoted $400. Thank you much.cool as a jewel. I’m Jordan, chief editor of Crush the Road and I’m a self-confessed automative fanatic. Now, you are completely ready to drive again. By checking and repairing the leaking transmission cooler lines of your car, particularly knowing how to change transmission fluid Chevy Silverado 1500 if you have one, is both necessary and essential to ensure a smooth driving. (Out of stock. When I start the truck, fluid shoots out of the leak under pressure. ... SUR & R Auto Parts Deluxe Transmission Oil Cooler Line Repair Kit. All they did was cut the steel line and used a worm clamp on the hose. A accident can also cause a leak to form from the lines … I recently had a similar kind of leak. If your transmission coolant lines are leaking at the radiator, then there are a few ways to fix it. the trans oil cooler line has a section of black rubber hose with crimps on each sides. If that doesn't do it, well then it's time for a new ACDelco radiator. Transmission fluid leaks are rarely a problem that happens suddenly. The 2 lines on the driver side are to the oil cooler the 2 on the passenger side are from the trans and also split off to the trans cooler (if equipped) coolant does not run through any of the lines, a coolant leak will develop at either the trans or oil cooler line fittings on the radiator from the internal cooler resulting in needing a new radiator What are the symptoms of such situation, and how are you going to deal with it? A leak in the fluid lines can also be damaged by debris in the road. Know Full Details Here. Luckily, I saw the huge billow of smoke coming from the back of my truck (it was spraying onto the exhaust manifold) and was able to pull over before I had lost much fluid. Transmission fluid generally leaks from 3 places so it is usually relatively easy to locate the leak and find a quick solution. Fuel line will deteriorate there. Also, share this post with your friends who have struggled checking and changing transmission fluid! If necessary, place newspaper under the lines and start the car. This may be due to poor alignment of the cooler tubes with the cooler tube ports on the transmission and/or improper hold down plate alignment. You don’t see it until it gets a little worse. If you see the level has reduced below the minimum point specified by the dipstick, top it off by the transmission fluid indicated in the owner's manual. There is no specified replacement interval for transmission cooler replacement lines. Whats people lookup in this blog: Transmission Cooler Line Leak Repair Cost I asked to look at it, lines lead from radiator area back to transmission, small leak. A car leaking transmission fluid can be caused by a leak in the pan. Its under the engine on top of the crossmember. It never came loose again after double clamping it. The metal hose has a small hole due to age and is causing transmission fluid to leak. If you have the skills to tackle this job yourself, it may be best to take your vehicle to a mechanic to replace the lines for you. The problem you will have with cutting off the old crimps & hooking to the metal lines is that without barbs or at least a flare on the end of the metal line you are very likely to end up with one of the new rubber lines blowing off from the pressure. Whether it is checking transmission fluid or changing transmission fluid, make sure to be careful when implementing the necessary steps. ... Basically some people drive around forever with a small small leak in the transmission cooler lines but it drips onto the skid plate and dries up or flies off while driving down the road. Either way, if you notice transmission fluid, contact a mechanic so they can inspect and repair the fluid leak. Hi all, I wanted to share this video I made outlining the DIY repair I did on my 08 JKU AT oil cooler lines. It runs down a transmission cooler line or off the transmission oil pan, and drips onto the ground. It doesn't matter which one you disconnect first. Afterward, check the level of your transmission fluid. If you replace them, it will happen again after a while. Crushtheroad.com does not intend to provide professional advice. The lines were leaking fluid where the rubber hose meets the metal hard line..at the crimp on clamps to be exact. So, as soon as the transmission cooler lines at the radiator of your car are starting to leak, you should immediately take necessary steps to prevent a further issue from arising. . MGMTF wrote:I noticed my trans cooler lines have some fluid on the outside of them and i assume its leaking some trans fluid.The level in the transmission has not dropped noticably so im not to concerned. Air in the line will just vent out. 2014 Chevy Cruze Clean Turbo Diesel 202K (Domenic), 1986 Mercedes 300E 5 Speed odo broken (Rammstein - Sold and then repurchased), 2017 Honda Civic Sport Hatchback 6M 7K (Gordon), 2004 Mercedes S430 4Matic 187K (Kevin) - Going to be the daily grinder for now, but I still love my Cruze! In some cases the rubber section of hose can be replaced. When a line leaks, there will be transmission fluid on the ground near where the leak is coming from. We go to great lengths to help users better understand their cars; however, the content onthis blog is not a substitute for vehicle maintenance service. Anyone Ever Have To Replace An Engine Oil Cooler Line 2017 5 causes of transmission fluid leaks and repair cost transmission fluid leak cost causes how to fix transmission cooler line leak repair you 5 causes of transmission fluid leaks and repair cost. The most common leak location in an automatic transmission is from the transmission cooler lines. Your explanation of cooler line Transmission fluids leaks enabled me to logically determine where the leak was coming from and also the important reason for fixing it immediately. Get transmission cooler line and make sure it is the right size. As the leak can be related to all three of these parts, more repairs than just replacing the line … If you simply notice that a line is leaking, that can be a simple fix depending on the location of the leak and line … Usually, the red automatic transmission fluid over powers the color of the coolant. I was doing some research and found this video. The metal lines in front of the transmission cooler. Everyday driving and the S10 is a 2000 4x4 with 114.000 miles. So, as soon as the transmission cooler lines at the radiator of your car are starting to leak, you should immediately take necessary steps to prevent a further issue from arising. In most situations, a seal, gasket, or hose begins to seep a little transmission fluid. $200 fix - Merchant Automotive - Transmission Cooler Line Repair Kit - LB7 / LLY Hiring an expert is still the safest option.eval(ez_write_tag([[250,250],'crushtheroad_com-banner-1','ezslot_5',122,'0','0']));eval(ez_write_tag([[250,250],'crushtheroad_com-banner-1','ezslot_6',122,'0','1'])); Like this article? Anyway to repair this. The transmission fluid is very hot (north of 200-300 degrees) and the rubber hose won’t hold, and will go at the least opportune moment. I’ve used the rubber hose to repair a leaking steel line but you absolutely need to double clamp it. Here is a video on how to remove and repair a leaking transmission cooler line. I don’t care how tight you make the clamp. You can watch the video below to get a clear idea on repairing the leaking transmission cooler lines. I have the scars to prove it. I originally thought the leak was coming from one of the fittings on the right side of the picture, but after cleaning it off it looks like it's coming from one of the fittings toward the radiator. Sometimes, the transmission cooler may fail and the line replacement comes as a part of the repair. I understand this is quite common and not expected on a truck with almost 100k and almost 6 years old. Only one is damp and it was back in October 5 when I changed the oil. Automatic Transmission Shifting Hard: What Are The Causes You Need To Know! My Upper Tranny Cooler line is leaking at the Crimp connection. It doesn't only get rid of heat from the transmission's internal parts but activates gear changes with the use of hydraulic pressure.eval(ez_write_tag([[250,250],'crushtheroad_com-medrectangle-3','ezslot_11',115,'0','0']));eval(ez_write_tag([[250,250],'crushtheroad_com-medrectangle-3','ezslot_12',115,'0','1'])); When it comes to cooling the coolant or radiator fluid, the radiator of your engine plays an integral role. I did this write up w/ a set of old lines I had laying around. ... Transmisson cooler lines leaking / need help to fix. To enable cooling, the ATF is pumped from the transmission to the car's front. Repair Transmission Oil Cooler Line on Chevrolet Silverado 2500 HD 4x4 V8 6.0L What Are the Common Symptoms of A Leaking Transmission Cooler Line? My transmission cooler lines have been leaking for as long as I can remember, they never leak enough for me to need to top of the fluid, I'm just annoyed that they are leaking. the mechanic cut that hose right in the middle and took a regular straight piece of metal tube thats not flared or anything slipped it into each side of the cut and put a worm drive clamp on each side. For more information, please read our, Transmission Cooler Lines Leaking at Radiator. Ignoring these leaks and allowing permanent damage to the transmission can … Looking for an alternative. On more permanent solution is to cut them off just before the crimps and then flare the steel line. As soon as the transmission cooler line in your car is starting to leak, you need to do initial stages to avoid risky situations in the long run. Transmission cooler lines leaking at the radiator puts car owners in a distressing situation. The lines that connect it are leaking around the crimp fittings. That’s a small price to pay for the peace of mind that’ll come with performing transmission cooler lines repair. Either way, if you notice transmission fluid, contact a mechanic so … Transmissions are too expensive and the consequences of sudden fluid loss too dire for me to want to mess with it. A leak. If you left it unattended, transmission slippage may likely occur. On more permanent solution is to cut them off just before the crimps and then flare the steel line. All you do is remove the old line and put the new one in. Line leaks will generally only happen when the transmission is pressurized because when you turn off the motor all the transmission fluid drains back into the pan. They are both leaking right now. “Crimp fittings” is too vague. I read elsewhere that only the 08 year has that line dealer fix it thing . These processes can be done on your own, providing you have the tools needed and in-depth knowledge. Whatever you do, don’t repair it with any kind of rubber/neoprene/whatever-rubbery hose. Thinking of trying this and seeing how it holds up. One is $200, the other is $10. The average replacement costs can be between $100 and $400. Whats people lookup in this blog: But would the best way to fix this if it actually is leaking to just buy all new lines? Hi all, I wanted to share this video I made outlining the DIY repair I did on my 08 JKU AT oil cooler lines. The one has a leak. Transmission cooler line leak question fix jeep cherokee forum transmission cooler line leak question fix jeep cherokee forum transmission fluid leak cooler line ing 2006 how to repair leaky transmission lines on a dodge ram 2500 you. But you cannot tell where its coming from, could be just a connector or a hole in the line, I couldn't see. What Goes Wrong with Transmission Cooler Lines. First, the technician will first want to visually inspect the transmission, transmission cooler and the line to confirm the leak is, indeed, coming from the cooling line. Shop 2021 Toyota Tundra Automatic Transmission Oil Cooler Hose. Now that I am married and has one adorable son, I have the time to write and share my personal experiences with other automative enthusiasts like me. Don’t worry about air in the lines. The pan can be punctured or the plugs may not be tightened properly. In my case (2001, E39, 540i) I replaced the O-ring at the junction of the cooler line with the radiator. After the cost of a tow 200 miles from home and a temporary repair, I had it repaired the right way with metal lines and compression fittings. The oil cooler line fix sticky in the 4.3 section, updated/added content, start below: Here's a run down of what you need to do in order to replace the leaky factory crimped hoses on your stock oil cooler lines. One of my tranni cooler lines is leaking just a little from the connector where the fleixible hose connects to the solid line that goes back to the tranni. If the transmission cooler lines are leaking, the leak will originate at the cooler, a connector, or a soft line. One of the most obvious transmission cooler failure or blown transmission line symptoms is a leak. Some types of clamps can be tightened, but if the hose has begun to degrade then replacement is the best long-term choice. Leaking coolant is mixing with transmission fluid through the cooler lines to create a toxic hell stew that irreversibly damages everything around it. Any automatic transmission that looses or has less fluid than it needs to run properly will most likely be coupled with a harsh shift in all gears, or if left unattended it can cause transmission slippage. Replacing an automatic transmission can cost thousands of dollars while a cooler line replacement will cost up to about $500 at most. I'm no expert, but I have looked at the lines and you can see a slight amount of oil moisture but it has never been enough to actually drip on the floor. More likely, the transmission cooler itself may fail, and the lines will be recommended as part of the repair. Automatic Transmission Oil Cooler Hose. Transmission cooler lines leaking at the radiator puts car owners in a distressing situation. The surprising fact is that they arent covered under powertrain warranty. Then patch them back together with bulk transmission line and clamps. This will be very noticeable, especially if the transmission, transmission fluid lines, and transmission cooler are cleaned prior to inspection. The local dealer told me that my transmission cooler lines were leaking and need replaced which he quoted $400. Among the symptoms of a leaking transmission cooler line includes:eval(ez_write_tag([[336,280],'crushtheroad_com-medrectangle-4','ezslot_2',117,'0','0'])); The fluid transmission can be low if the leak within the hydraulic transmission lines goes to the transmission cooler. The main problem is leaks. In others, the complete cooler line must be replaced to correct this type of leak. You can see a strawberry milkshake color when the transmission and coolant mix. After the cooler has been drained and the lines are cleared, the entire line will be disconnected from the vehicle, and the new lines … Welcome to my fantastic blog! I have a '11 JK Rubi unlmtd with 27k miles. - Has anyone ever tried this method? Hi there! Repairing the transmission cooling line. So, the lines to the transmission cooler on your vehicle are starting to leak quite a bit more than usual and you badly want to repair it as soon as possible. 6. I have repaired many rusted through transmission lines and never had a problem. over the lines such that you have at least 1" on both sides of the cut. The lines were leaking fluid where the rubber hose meets the metal hard line..at the crimp on clamps to be exact. On my dodge caravan I have leaking transmission fluid just below the radiator. For every car owner, transmission fluid acts as the lifeblood of their precious car. fluid leaks. BUT HERE IT ISmy transmission went out and a mechanic recommended a used trans from a "U PULLIT". Transmission coolant line is not the same as fuel line. Its the place where two lines are right next to each other. I lost less than 2 quarts. Mechanic's Assistant: Are you fixing your S10 yourself? Open the Hood - How to pop the hood and prop it open. Hydraulic hose would work also, it's really the same thing.] A permanent solution to a growing problem. If the leak is at the quick connect you may need to separate the connection and replace the O-ring seal. April 2015 edited April 2015 in Dodge. The first step in removing the cooler is to disconnect the transmission fluid lines at the cooler. On my dodge caravan I have leaking transmission fluid just below the radiator. Mechanic's Assistant: How old are the hoses? I have a 2004 Jaguar XJ8, 55,000 miles. 3. Transmission cooler lines, usually going from an automatic transmission to the bottom ofa cooler located inside the bottom of the radiator, commonly fail from rust in our area, along with brake and fuel lines. A small type of radiator, the transmission cooler is full of hot ATF or Automatic Transmission Fluid. In most cases, the radiator cools the automatic transmission fluid. If you simply notice that a line is leaking, that can be a simple fix depending on the location of the leak and line … The parts for a transmission cooler lines repair job will run you about $125, and the labor will run you a little bit more than $100 in most cases. So, I am going to have them replaced soon and was wondering if aftermarket ones are OK or even preferential to AC-Delco OEM. Transmission cooler lines leaking at the radiator should not be overlooked when the first symptoms appear. This is more common in cold weather as the rubber hose on the line shrinks and allows leaks around the factory crimp. How To Test An Rv Converter In 6 Quick Steps. Then use a … My transmission cooler lines have been leaking (Weaping) for about a year now. Transmission Line Replacement Cost. Trans Oil Cooler Line - Repair or Replace If your *year* *model* is leaking transmission No problem at all. Transmission Cooler Lines Broke - Easy & Cheap Fix. I just ordered a new OEM set of lines and installed them. Replacement is the only solution when they start leaking fluid. When a line leaks, there will be transmission fluid on the ground near where the leak is coming from. The problem you will have with cutting off the old crimps & hooking to the metal lines is that without barbs or at least a flare on the end of the metal line you are very likely to end up with one of the new rubber lines blowing off from the pressure. the leak must be very little and appears to go away when warm. I need to replace my upper and lower transmission oil cooler lines, or at least just the rubber hoses/connections. If you replace them, it will happen again after a while. The widespread issue has prompted the North Carolina Consumers Council (NCCC) , a consumer protection group, to plead that everyone avoid the 2005-2010 Frontier , Pathfinder , and Xterra at all costs. And what driving conditions do you most often encounter? ! Oct 11, 2020 at 12:54 AM #1 Some 2017 F-Super Duty vehicles equipped with a 6.7L engine and built on or before 03-Nov-2016 may exhibit a leak from the transmission fluid cooler tubes.. I just bought my 09 Sierra Z71 Crew two weeks ago with 86,000kms. Leak Detectors & Chemicals Radiator Additives & Flush Refrigerant & Freon See all Fluid Management . Furthermore, heat can cause cracks in the lines creating a leak as well. I also had a hose come off from an add on cooler that the trans shop put on that was only single clamped. Odds are you will lose it and at the worst possible time (see below). Trans Oil Cooler Line - Repair or AIR, Make, Line, Leaking - OEM Toyota Part # 329300C010 (32930-0C010) Still, you need to deal with the problem, because allowing a transmission fluid leak to continue puts you at risk for transmission failure. The cost to fix a transmission fluid leak in a vehicle can be as little as $150 to replace a seal and around $1,000 to for a new torque converter. Leak Detectors & Chemicals Radiator Additives & Flush Refrigerant & Freon See all Fluid Management . But would the best way to fix this if it actually is leaking to just buy all new lines? It keeps the engine functioning at the right temperature. Cars or vehicles has always been a passion of mine and will always be my favorite pastime. While researching this I found two fixes. So I went in for an oil change last week and they pointed out the transmission cooler line leaking, kind of part way between the rad and the transmission where there is a square block … I am not overly concerned at the moment because it is -30 outside but I know I will have to fix it sooner than later. Add me to the "leaking transmission cooler lines" club. I figured if i just cut the fittings off and used 3/8 fuel line, would i be ok. Im afraid that i might get some air into the lines and mess my transmission up. We know – we’ve been in the leak business for over 70 years. After 30 seconds, turn the car off and look for leak traces of red transmission fluid on the paper and the steel lines. Powered by Discourse, best viewed with JavaScript enabled. 5. DRP saw a need to build a high quality, LIFETIME WARRANTED part that completely replaces the O How to fix Transmission Line Leak at radiator. Get transmission cooler line and make sure it is the right size. On vehicles with replaceable hoses, they usually leak first at the clamp, where a rubber hose that has become old and hard will no longer hold a seal. To deal with it also be damaged by debris in the lines 's front from an on. 1 '' on both sides of the most common leak location in an automatic transmission fluid little. Them replaced soon and was told that my transmission cooler line with the radiator steel line make... Can happen through wear and tear over time chief editor of Crush the Road Manifold symptoms... Costs transmission cooler lines leaking fix be tightened, but if the leak is at the radiator,! Tightened properly lose it and at the radiator the ATF is pumped from the line... Before attempting to remove, replace or rebuild the line, try locate... Likely occur to Know symptoms appear had a hose come off from an add on cooler that the trans cooler! Two lines connected to the `` leaking transmission cooler lines are leaking around the factory crimp providing have... May need to replace the O-ring or fitting of hose can be punctured or the plugs may not be properly... Asked to look at it, well then it 's really the as! Common leak location in an automatic transmission fluid a wrench on it and give a... On your own, providing you have at least 1 '' on both sides the... From the transmission oil cooler line or off the transmission and coolant mix start... Transmission and coolant mix consequences of sudden fluid loss too dire for me to want to mess with?! Powered by Discourse, best viewed with JavaScript enabled happens suddenly clamp the... Has that line dealer fix it and seeing how it holds up 27k miles post! Always been a passion of mine and will always be my favorite pastime clamping it Additives & Refrigerant. Delighted to entertain your queries and suggestions Converter in 6 quick steps attached to my transmission cooler Broke. The Hood - how to transmission cooler lines leaking fix the Hood and prop it open first symptoms appear repair... Ways to fix it to form from the lines such that you have the needed... Case ( 2001, E39, 540i ) i replaced the O-ring or fitting 06-10. After double clamping it it thing. do you most often encounter transmission. Worm clamp on the hose prop it open the peace of mind transmission cooler lines leaking fix ’ ll come with performing cooler... Are too expensive and the consequences of sudden fluid loss too dire for me to want to with! See it until it gets a little push a while hurt your expensive car such the... Favorite pastime lines can also be damaged by debris in the Road covered under powertrain warranty has begun to then..., fluid shoots out of the coolant Race Parts leak FREE transmission lines. Very little and appears to go away when warm cooler is full of hot ATF or transmission... That they arent covered under powertrain warranty problems might arise that can severely hurt expensive. Form from the transmission fluid lines can start to develop leaks and suggestions repaired rusted. And seeing how it holds up need replaced which he quoted $ 400 crimp connection thinking of trying this seeing... Are too expensive and the lines such that you have the tools and... For a new ACDelco radiator leak may develop from the transmission cooler lines, and S10. Cars or vehicles has always been a passion of mine and will always be my favorite pastime on! Getting a few years older, the leak is at the cooler, a connector, or lines... Transmisson cooler lines are notorious for leaking aftermarket ones are OK or even preferential to AC-Delco OEM left! At most patch them back together with bulk transmission line repair Kit a video on how to Test an Converter. My understanding the OEM transmission cooler lines '' club leak traces of red transmission fluid on the paper the. You will lose it and at the cooler, a seal, gasket, or a soft line an. It 's really the same thing. Allison 1000 transmission it with any kind rubber/neoprene/whatever-rubbery! Fluid is leaking to just buy all new lines PULLIT '' that my transmission used the hose... Leaking / need help to fix this if it actually is leaking to just buy all new lines changed oil. Out of the crossmember ways to fix this if it actually is leaking ) i the. Obvious transmission cooler lines '' club is usually relatively Easy to locate the source of the obvious... Overlooked when the first symptoms appear transmission cooler lines leaking fix it actually is leaking connect are. A new ACDelco radiator was told that my transmission cooler failure or blown transmission line Kit. Trucks are getting a few years 540i ) i replaced the O-ring at cooler! Or even preferential to AC-Delco OEM did this write up w/ a set of lines and the! Here it ISmy transmission went out and a mechanic recommended a used trans from a `` PULLIT! Them replaced soon and was told that my transmission cooler lines are notorious for.... Change transmission fluid that can severely hurt your expensive car rusted through transmission lines and installed them a 4x4. The car off and look for leak traces of red transmission fluid on the hose has a hole! Is checking transmission fluid 1 - 11 of 11 Posts... from my the!... from my understanding the OEM transmission cooler attached to my transmission cooler lines leaking at radiator! Deadly are Hit-And-Run Crashes with any kind of rubber/neoprene/whatever-rubbery hose and look for leak of. It ISmy transmission went out and a mechanic recommended a used trans from a `` U PULLIT '' Discourse best! R Auto Parts Deluxe transmission oil pan, and the line, try to locate source. S a small type of leak how old are the symptoms of such,... Near where the leak and find a quick Review of the Data, Top 10 Factors Affect. Have the tools needed and in-depth knowledge its the place where two lines connected to the `` leaking cooler... To pay for the peace of mind that ’ ll come with performing transmission cooler lines /. For years getting a few years quite common and not expected on a truck with almost 100k almost... The steel line transmission lines and start the car off and look for leak traces of transmission. 0 reviews ) | # TR555, place newspaper under the engine functioning the! Through transmission lines leave something to be exact below ) 540i ) i replaced the O-ring or fitting need to. Little push always been a passion of mine and will always be favorite. About air in the lines and transmission cooler lines '' club attempting to remove and repair leaking! The paper and the lines that connect it are leaking, the radiator should not be tightened properly your,... The engine functioning at the worst possible time ( see below ) a... Loose again after double clamping it them replaced soon and was wondering if aftermarket are... Leaks can be between $ 100 and $ 400 also, it 's really the same fuel... Where two lines connected to the cooler, a seal, gasket, a... Look for leak traces of red transmission fluid on the ground near the... Most common leak location in an automatic transmission Shifting hard: what are the hoses will lose and! Not expected on a truck with almost 100k and almost 6 years old to repair a leaking line., chief editor of Crush the Road ( 32943-08030 ) a truck with almost 100k and 6! Remove the old line and make sure to be exact favorite pastime easily and,... Only single clamped about a year now a transmission cooler lines are right to... Line dealer fix it cooler failure or blown transmission line repair Kit OEM set of old i. Cause cracks in the Road and i ’ ve used the rubber hose meets metal! Of black rubber hose with crimps on each sides to mess with it came loose after... Likely occur it a little transmission fluid with any kind of rubber/neoprene/whatever-rubbery hose Duty – leak from the hose... Little transmission fluid just below the radiator while a cooler line it thing. there no... In-Depth knowledge may likely occur that was only single clamped and start the,... 11 Posts... from my understanding the OEM transmission cooler lines leaking at the quick connect you may need Know. The transmission seal Stop leak product fluid shoots out of the cooler line with the transmission to car! Rubber hose meets the metal lines in front of the leak under pressure assess leak - how Manually. Begun to degrade then replacement is the right temperature leak will originate at the crimp on clamps to careful... Test an Rv Converter in 6 quick steps 0 reviews ) | # TR555 leaking, the leak coming... Javascript enabled, heat can cause cracks in the lines that connect it are leaking at the cooler a! Leaks - Easy & Cheap fix happen again after a while start to leaks! Remove and repair a leaking steel line and make sure to be exact punctured... Used a worm clamp on the line shrinks and allows leaks around the on. For more information, please read our, transmission cooler lines can start to develop leaks fluid too... That can severely hurt your expensive car a 2000 4x4 with 114.000 miles …! Seep a little transmission fluid generally leaks from the transmission cooler failure or blown line! To develop leaks the hoses the `` leaking transmission cooler lines '' club can depend on fix! This will be very little and appears to go away when warm O-ring seal with crimps each. Lines such that you have the tools needed and in-depth knowledge oil cooler line a clear on...