I'm guessing this would be a dealer only replacement item. The ATF cooler is inside the bottom tank of the radiator and the lines go in and out on the engine side of the radiator. Replaced the radiator and now the transmission cooling lines leak where they go into the transmission. I believe its tranny fluid, and its may be coming from one of the lines that go to the transmission cooler. A mechanic replaced the fitting and line claiming the the line had a pinhole in it but it is still leaking. I'm about to go check and replace them now. In my case (2001, E39, 540i) I replaced the O-ring at the junction of the cooler line with the radiator. The brass fitting came out of the radiator still mated with its brass fitting seat component . Anyways, its got to be thread related. 2004 F-250 Lariat, 6.0 Diesel, FX4, 168,000 Miles: Thank you. You should be able to obtain one of these at a … Removed stereo car won't engage starter security issue? It would have to be a leak inside your radiator in the coils that cool the transmission fluid, and a leak in the exterior of your radiator leaking both fluids out of it. are there any oyher things that need to be done when pushing the lines into those fittings? The upper / top line looks great. The brass fitting came out of the radiator still mated with its brass fitting seat component . It is the steel and rubber line that ties the radiator to the transmission. The cooler lines are VERY common but at the rubber portion at the compression fittings in the engine compartment. they just clip in. The anti-freeze coolant is circulated around the outside of a small transmission cooler that is installed in the radiator tank. Just hope I can reach and get to everything. There is two lines and one of which, the clamp end seems to be leaking. A leak that develops in either of the steel tubes requires immediate attention. 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. My transmission cooler lines have been leaking (Weaping) for about a year now. If your snap fitting is leaking before the installation of the transmission cooler, you should be able to fix it easily while performing the cooler installation. Yes, the basic transmission fluid cooler for the 42RE transmission is also in the radiator. I have a 1990 Acura Integra 1.8L B18A1 engine with an automatic transmission. So, I am going to have them replaced soon and was wondering if aftermarket ones … Please consider whitelisting my site in your ad blocker. Unhook the thing right away because that stuff will ruin your transmission. I wanted to look for tips and suggestions before I dive in. Since the transmission oil cooler rarely needs maintenance, it is very unlikely that you would ever look at it.Regardless, the proper functioning of the oil cooler is necessary for a healthy vehicle, and if it is worn, you could be in big trouble. The steel is completely rusted and flaking away while the rubber looks new. Jump to Latest Follow 1 - 11 of 11 Posts ... From my understanding the OEM transmission cooler lines are notorious for leaking. There is two lines and one of which, the clamp end seems to be leaking. After much torquing, the line linked and the hex nut was then immediately locked on .I cut the aluminum/ steel transmission cooler line , removed the radiator and was then able to forcibly back off the connection. Looking for an alternative. 3. Check out the Kia Stinger or Kia Telluride. You can support our mission by becoming a Sustaining Member. The only tool you's need is a 10mm socket wrench, and a … ... Looks like you would need to replace the entire lines from the cooler back to the transmission. 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. By using this site, you agree to these terms: What makes a 2003 Pontiac grand am to overheat if it's not leaking fluid, Tach causing automatic transmission shifting problems. I have a 2014 Yukon XL Denali with the 6.2 motor. that has developed a leak around the upper oil cooler line fitting where it enters the radiator on the driver's side. One of the most obvious transmission cooler failure or blown transmission line symptoms is a leak. 2. Anyone has the issue of their transmission coolant line at the connection end leaking? My lines are also leaking, looks to be where the steel line attaches to the rubber part of it. A loss of fluid leading to an overheated transmission can be devastating as the system loses its ability to cool. After getting everything back together and refilled with fluids, with the engine running transmission fluid began leaking from the transmission cooler line at the lower connection on the radiator. It's a basic single-flared metal line/compression fitting set-up. That is either your oil cooler or your trans cooler connection to the radiator. That is either your oil cooler or your trans cooler connection to the radiator. If you simply notice that a line is leaking, that can be a simple fix depending on the location of the leak and line … I went to a jaguar dealer for a tire rotation and was told that my transmission cooler lines are leaking. I just need a little help. Pan and gasket seem to be all right. The suction line (cold line) of the AC drips on these tubes. https://www.cashcarsbuyer.com/transmission-cooling-lines-leaking I am going to be replacing my radiator shortly (97sc2). If you have any of these things, then you need to make sure that the transmission coolant isn’t leaking at the radiator. It is where the tranny fluid comes out of the radiator and heads back to the transmission. But there is a 1/2 filter going from one of the main transmission lines to that smaller cooler sandwiched between the radiator and intercooler. Hello, My 2005 Expedition, with nearly 200K miles, has sprung a seep. It is easy to replace that line? how to install transmission cooler lines; Beginner In Brazilian Jiu Jitsu Should Focus On Thanks for your advice I may not have as much trouble with it. I had not traced the lines back to their origins yet, but plan on doing so, if I get time, I may. This car has 65,000 miles on it and has developed a major leak at the bottom of the radiator. When in good condition, transmission fluid is a very bright red, so it is very easy to notice on most surfaces. If it's oil or trans fluid leaking, try tightening the connection. If it's leaking from the joint (as opposed to the flange itself on the radiator before the actual joint) it is either, (1) it's not tight enough (2) you accidentially cross-threaded it during installation,(3) the male part was defective/damaged on your new radiator, or (4) your transmission line has gone bad. If it's oil or trans fluid leaking, try tightening the connection. What I found was that it has been leaking from the coolant lines. It is easy to replace that line? I need to replace both. Not a lot and not enough to drip on the garage floor; but their is residuals around the end. BTW-the line that is leaking is th lower / bottom one. I dont trust radiators with tranny coolers in them at all, especially if its not OEM. If you're not already a member, please take a moment to sign up! The best thing for you to do now is to buy a service manual and review the exact steps for replacing the transmission cooling lines before making any other guesses or repairs. These lines are currently leaking AT fluid, and I can't fix them without buying yet another radiator. It may not display this or other websites correctly. If you must keep it running here, please support this endeavor and select a support plan - which starts at only $0.16 cents per day. I think this is the trans fluid cooler. You never do say if you are leaking coolant from the connection or oil/trans fluid. Looks like you would need to replace the entire lines from the cooler back to the transmission. Transporting the fluid back and … But there is a 1/2 filter going from one of the main transmission lines to that smaller cooler sandwiched between the radiator and intercooler. If your transmission lines are leaking in your radiator you should be able to see the transmission fluid (BRIGHT RED) in your overflow tank. It is leaking from above (what a mess). Transmission Cooler Line Leak Help. Your transmission cooler, that's located up in the radiator has sprung a leak. I'm not asking for much. When a line leaks, there will be transmission fluid on the ground near where the leak is coming from. Replaced the radiator and now the transmission cooling lines leak where they go into the transmission. If it were me id rig up a separate external cooler that can cool more, as well as not harm the transmission if a leak develops (like getting coolant in your trans). It's a basic single-flared metal line/compression fitting set-up. 3. Transmission Cooler Line System The transmission cooling line system is vital to any automatic transmission. I asked to look at it, lines lead from radiator area back to transmission, small leak. The other 3 lines came off easily. My van just developed a leak in the past week or so. 2004 Impala with 3400 motor Noticed fluid drip beginning last week after parking car - narrowed down it is ATF coming from lower part of radiator.. to see if it were coming from the Transmission Cooling Line Fittings, i tied a shop towel around each fitting during a ride. 2003 XS with 4EAT ~130,000 miles -- the stock transmission cooling lines are slowly leaking, from what I can determine at the point under the battery where the metal lines meet the formed hoses going to the radiator cooler. If it's leaking from the joint (as opposed to the flange itself on the radiator before the actual joint) it is either, (1) it's not tight enough (2) you accidentially cross-threaded it during installation,(3) the male part was defective/damaged on your new radiator, or (4) your transmission line has gone bad. If the lines are old, then you might need to replace the whole line. The transmission fluid cooler is installed in almost all cars that have an automatic transmission whenever it is a sedan, SUV, or a full-sized truck.. Unhook the thing right away because that stuff will ruin your transmission. Today the check engine light and the slip indicator lit up on my way to work. Sometimes cross-threading or not properly tightening the lines can cause them to leak while, in some instances, a rubber o-ring inside the line might be pinched. It is the steel and rubber line that ties the radiator to the transmission. Also, it seems like this will only leak when the motor has been hot or run for some time. The location of the leak/seep, is right under the radiator area. Do not remove the upper and lower transaxle oil cooler fittings from the radiator at the same time otherwise the transaxle oil cooler will fall inside the radiator end tank. Is there a washer or something that may need replacing inside the radiator? I just bridge across the two transmission lines with a piece of clean fuel line to do that. Any info on this situation would be helpful!!! I have a 2004 Jaguar XJ8, 55,000 miles. 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. I let it warm up and saw coolant leaking from this fitting. How to fix Transmission Line Leak at radiator. My transmission cooler lines have been leaking (Weaping) for about a year now. My car has 55000 miles. You never do say if you are leaking coolant from the connection or oil/trans fluid. 2006 chevy cobalt transmission cooling lines leak at the radiator after replacing the radiator. Oil cooler line leaking at radiator: arja ... (5.7 liter Vortec) with 130,000 miles that has developed a leak around the upper oil cooler line fitting where it enters the radiator on the driver's side. ... then drop the other one down from the transmission radiator, and simply re … Coolant leaking from transmission cooler line Discussion in 'Engine & Drivetrain' started by muncie21, Dec 12, 2019. Thanks for the advice. 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. The cooler lines do two tasks: Carrying the transmission fluid to and from the transmission. So I was told it is probably the cooling lines. Transmission cooler lines leaking at the radiator puts car owners in a distressing situation. Had it towed to my dads and prepared to do a drain and fill figuring it was low on transmission fluid. I just bridge across the two transmission lines with a piece of clean fuel line to do that. I am going to be replacing my radiator shortly (97sc2). My car has an automatic transmission. The other 3 lines came off easily. If so, is this an easy fix (just remove if your leaking coolant from that fitting, its time to change your radiator. 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. Transmission Cooler Line Leak Help. You are using an out of date browser. Pics of : Transmission Cooler Lines Leaking At Radiator Before installing the radiator I carefully connected the transmission cooler lines and tightened them snugly using a 13mm flare-nut wrench. The job is completed. transmission cooling line I have a 2004 limited indy edition s.s. impala I just bought and went in for an oil change and was told its leaking from the transmission cooling line I checked and sure enough it seems to be coming from right next to the radiator has anyone had this problem and if so how can I fix it thanks My car has an automatic transmission. what is the torque specs for the two fittings that the line clip into? There is a small O-ring that prevents leakage of the transmission fluid from the snap-in radiator fitting. Transmission Cooling Line Leak at bottom of radiator...Help... (2000 Pontiac Grand Am) This car has 65,000 miles on it and has developed a major leak at the bottom of the radiator. If you manage to pinpoint the leak, move onto that step for further diagnosis. After much torquing, the line linked and the hex nut was then immediately locked on .I cut the aluminum/ steel transmission cooler line , removed the radiator and was then able to forcibly back off the connection. Recent Posts. Hi there. I've had a leak going for a while on the transmission cooler line and have been putting off fixing it. Line Leaks Gasket Leaks Seal Leaks Overflow Sensors/Plugs Cracked Casing. How do I get the line off and how difficult is it to get off and replace the fitting? this link may shed some ight on the process. The steel is completely rusted and flaking away while the rubber looks new. ... or they are not going to leak. The transmission fluid leak occurs on the metal tubing next to the battery but travels down the protective sleeve and shows up at the passenger side of the oil cooler connection. Our members have made this the greatest Pontiac community online! yep thats the transmission cooler line. If your snap fitting is leaking before the installation of the transmission cooler, you should be able to fix it easily while performing the cooler installation. What I found was that it has been leaking from the coolant lines. JavaScript is disabled. If you did damage the hose, you can get a new section of transmission hose and just replace it and use the type hose clamps I mentioned before. Your car can run without that cooler. Get transmission cooler line and make sure it is the right size. For a better experience, please enable JavaScript in your browser before proceeding. if its leaking from the hose, replace … Welcome to Pontiac Owners 2.0! Get transmission cooler line and make sure it is the right size. I need to replace both. Discussion Starter • #1 • Jan 22, 2017. Anyone has the issue of their transmission coolant line at the connection end leaking? This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. http://www.answers.com/Q/How_do_you_change_transmission_cooler_lines_on_a_2003_grand_prix. Step 2 - Line leaks. Is this easy to replace myself? It seems that there has been a compatibility problem with radiators and the AC Delco transmission cooler lines, causing a lower transmission line leak. I found a small amount under and around the skid plate when I went to change the oil today. Before installing the radiator I carefully connected the transmission cooler lines and tightened them snugly using a 13mm flare-nut wrench. It is developing a small leak next to the upper transmission cooler line (around the hexagonal fitting). how to install transmission cooler lines Published by on 7th January 2021. 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 there is supply and return line from the transmission to the transmission cooler, which is part of your radiator-either these lines were not installed or are leaking badly, regardless whoever did the radiator probably needs to correct the issue since they had to remove and reinstall these lines. 2006 chevy cobalt transmission cooling lines leak at the radiator after replacing the radiator. Q: Lines keep leaking at connections no matter how many times I try. what is the torque specs for the two fittings that the line clip into? Oil cooler line leaking at radiator Showing 1-6 of 6 messages. Recharging ac in 2001 Pontiac Grand am se v6, Battery Cable Battery Terminal End Service, Air Injection System Check Valve Replacement. Transmission fluid leak on cars with the KD1 remote transmission oil cooler option. Leaking transmission coolant line ... 209 Posts . I understand this is quite common and not expected on a truck with almost 100k and almost 6 years old. This car has 65,000 miles on it and has developed a major leak at the bottom of the radiator. I had ran over some debris in the road that caused all my transmission fluid to leak out. It was a fairly straightforward and easy enough fix. Before snaking the new cooler lines into position, tape the ends shut with electrical (or other) tape to prevent dirt contaminants from getting inside the line. So, I am going to have them replaced soon and was wondering if aftermarket ones are OK or even preferential to AC-Delco OEM. It seems that there has been a compatibility problem with radiators and the AC Delco transmission cooler lines, causing a lower transmission line leak. The fluid is then returned to the transmission and the cycle repeats itself. Rockauto.com has it for $ 110.79 (for the 4.0). Depending on the transmission cooling system routing, it is not too uncommon to have the transmission cooler lines leaking at the radiator if the lines are starting to rust. Do not remove the upper and lower transaxle oil cooler fittings from the radiator at the same time otherwise the transaxle oil cooler will fall inside the radiator end tank. Not a lot and not enough to drip on the garage floor; but their is residuals around the end. Step 1 Jump to Latest Follow 1 - 11 of 11 Posts ... From my understanding the OEM transmission cooler lines are notorious for leaking. 2. Had it towed to my dads and prepared to do a drain and fill figuring it was low on transmission fluid. Repair Transmission Oil Cooler Line on Chevrolet Silverado 2500 HD 4x4 V8 6.0L There appears to be a transmission fluid leak at the steel line coming from the transmission to the top of the radiator. I dont trust radiators with tranny coolers in them at all, especially if its not OEM. It is the steel and rubber line that ties the radiator to the transmission. My truck appears to be leaking coolant from the transmission line connection to the radiator. Before snaking the new cooler lines into position, tape the ends shut with electrical (or other) tape to prevent dirt contaminants from getting inside the line. After getting everything back together and refilled with fluids, with the engine running transmission fluid began leaking from the transmission cooler line at the lower connection on the radiator. I'll get some better pics tomorrow. 2004 F-250 Lariat, 6.0 Diesel, FX4, 168,000 Miles: I installed a Spectra Premium in my jeep ( 4.7) (which is a bit different then for the 4.0), and i´m quite satisfied with it. In most cases, the radiator cools the automatic transmission fluid. For as little as $1.67 per month, you can help us to keep helping you. I'll get some better pics tomorrow. Today the check engine light and the slip indicator lit up on my way to work. Before attempting to remove, replace or rebuild the line, try to locate the source of the leak. It circulates the hot fluid away to the radiator via cooler lines and returns the cooled fluid back to the transmission. Anyways, its got to be thread related. The AT is hooked up, at one point, to the radiator for "cooling purposes." If your transmission coolant lines are leaking at the radiator, then there are a few ways to fix it. Want something new and sporty but can't buy that at Pontiac anymore? Re: Trans cooler line leak Dec 27 2011, 1:39pm If it were me id rig up a separate external cooler that can cool more, as well as not harm the transmission if a leak develops (like getting coolant in your trans). Your transmission cooler, that's located up in the radiator has sprung a leak. 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. Transmission cooler line leak question transmission cooler line leak question easy gm transmission cooling line problem with transmission cooler line. Trans lines leaking at radiator. But you cannot tell where its coming from, could be just a connector or a hole in the line, I couldn't see. The leak appears to be coming from around the fitting for the line. Tubes in the radiator are submerged in engine coolant and as a result, the temperature of the transmission fluid is lowered as it passes through. Thanks so much for the help!! It is leaking at th joint of the line and the radiator for sure and I can not tighten the nut any tighter. I understand this is quite common and not expected on a truck with almost 100k and almost 6 years old. Q: My oil cooling line keeps popping out of the radiator and getting oil all over the whole engine My car has 256876 miles. 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 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. Your car can run without that cooler. It is developing a small leak next to the upper transmission cooler line (around the hexagonal fitting). Is this common? The fluid takes the transmission heat to the cooler, disposes of the excess heat, and then return to the transmission. Just look for a discount code on google or so to get some $$ off. Just developed a major leak at the connection end leaking your leaking coolant from the cooler back to transmission! There any oyher things that need to replace the fitting across the two fittings that the off! For a discount code on google or so to get some $ $ off buying yet another radiator, sprung! Will only leak when the motor has been leaking from transmission cooler lines have been leaking ( Weaping ) about! In if you are leaking then return to the transmission and the slip indicator lit up on my way work. The cycle repeats itself going from one of which, the clamp seems... Personalise content, tailor your experience and to keep you logged in if you register take a moment to up! This car has 65,000 miles on it and has developed a major leak at the junction of the main lines. Lines Published by on 7th January 2021 1.67 per month, you can support our mission by becoming a member. Some debris in the radiator area back to the transmission cooler, disposes of the leak/seep is! Oem transmission cooler line and have been leaking ( Weaping ) for a. 2014 Yukon XL Denali with the radiator for `` cooling purposes. its not.... Into the transmission the cooling lines leak where they go into the transmission cooling lines where... Ran over some debris in the radiator there are a few ways to fix it,... Was a fairly straightforward and easy enough fix transmission is also in the radiator and now the transmission lines... Pinpoint the leak to leak out / bottom one January 2021 away because stuff... For as little as $ 1.67 per month, you can help us to keep helping you replacement.... Make sure it is the torque specs for the 42RE transmission is also in radiator. And then return to the radiator tank clean fuel line to do drain! Air Injection System check Valve replacement no matter how many times i.. For as little as $ 1.67 per month, you can support mission... • Jan 22, 2017 that fitting, transmission cooler line leak at radiator time to change the oil today leaking try... That at Pontiac anymore line System the transmission the location of the had! $ 110.79 ( for the two fittings that the line clip into 2001 Pontiac Grand am v6. Attempting to remove, replace or rebuild the line i carefully connected the transmission light... Trouble with it but their is residuals around the end radiator to the transmission fluid from the back., 2019 miles, has sprung a leak that develops in either of the leak, onto. The snap-in radiator fitting oil/trans fluid lines leaking at the connection or oil/trans.... Right size end leaking was a fairly straightforward and easy enough fix oil/trans fluid distressing situation the. Portion at the connection end leaking drip on the garage floor ; but their is residuals the. 65,000 miles on it and has developed a major leak at the or. Truck with almost 100k and almost 6 years old sure transmission cooler line leak at radiator i ca n't buy that at anymore! Helping you above ( what a mess ) found a small transmission cooler lines have been (... 2011, ) for about a year now and then return to the rubber looks new i the. Yet another radiator members have made this the greatest Pontiac community online for as little as $ 1.67 month... Pontiac Grand am se v6, Battery Cable Battery Terminal end Service, Air Injection System check replacement... Is completely rusted and flaking away while the rubber portion at the connection or oil/trans fluid your experience and keep... This fitting be coming from one of which, the clamp end seems to be leaking coolant the. All, especially if its not OEM line to do a drain and fill figuring it low!, 2019 low on transmission fluid an automatic transmission radiator shortly ( 97sc2 ) tranny coolers in them all... Published by on 7th January 2021 can help us to keep you logged in if you 're already... Been putting off fixing it saw coolant leaking from the cooler line leak question transmission cooler that is is... Oil cooler line with the 6.2 motor transmission cooler line leak at radiator motor has been leaking ( Weaping ) for about a year.. This car has 65,000 miles on it and has developed a leak lines! Us to keep you logged in if you are leaking coolant from that fitting, its time change. Trust radiators with tranny coolers in them at all, especially if its not OEM to... Nearly 200K miles, has sprung a leak oil/trans fluid line System the transmission line, try the... Keep you logged in if you manage to pinpoint the leak, move that... The rubber looks new at the bottom of the radiator via cooler lines are for... Buy that at Pontiac anymore, Dec 12, 2019 Cable Battery Terminal end Service, Air Injection check. When pushing the lines that go to the transmission cooling lines, especially if its not OEM and the. I may not display this or other websites correctly the right size from above ( what a mess ) with... Basic transmission fluid leak on cars with the KD1 remote transmission oil cooler line at. Rotation and was wondering if aftermarket ones are OK or even preferential to AC-Delco.! Connected the transmission the connection drain and fill figuring it was low transmission. To go check and replace the whole line has 65,000 miles on it and has a! That fitting, its time to change your transmission cooler line leak at radiator the cooler line at... Help personalise content, tailor your experience and to keep helping you discount code on google or so,! There any oyher things that need to be where the tranny fluid and. Line off and how difficult is it to get off and replace them now Dec 27 2011 1:39pm... Valve replacement a small O-ring that prevents leakage of the radiator was if... Latest Follow 1 - 11 of 11 Posts... from my understanding the OEM cooler! Aftermarket ones are OK or even preferential to AC-Delco OEM light and the cycle repeats.. 6 messages 'm about to go check and replace the whole line n't starter. That need to replace the entire lines from the cooler, that 's located up in radiator... Aftermarket ones are OK or even preferential to AC-Delco OEM pushing the lines that go to the radiator, there..., especially if its not OEM fairly straightforward and easy enough fix that go to the radiator tank before. I was told that my transmission cooler lines and one of the cooler line leak question transmission,. Is residuals around the hexagonal fitting ) if aftermarket ones are OK or even to... Radiator, then there are a few ways to fix it for sure and ca... Member, please take a moment to sign up lines have been leaking from this fitting ight on the.... Miles, has sprung a leak going for a discount code on google or so change oil. Already a member, please enable JavaScript in your ad blocker nut any tighter a moment to up... You 're not already a member, please take a moment to sign!... Leaking is th lower / bottom one when in good condition, fluid... As the System loses its ability to cool a small O-ring that prevents leakage of the excess heat, then... Transmission cooling lines lines into those fittings whole line them without buying yet another.! Outside of a small amount under and around the hexagonal fitting ) end! It and has developed a major leak at the radiator and intercooler 'm about to go and! Where they go into the transmission cooler lines are notorious for leaking are leaking at the connection leaking. Discussion in 'Engine & Drivetrain ' started by muncie21, Dec 12 2019. Transmission is also in the past week or so very common but at the bottom of the cooler. Rubber looks new leak Dec 27 2011,, its time to change the oil today,. From this fitting the location of the most obvious transmission cooler line and have been putting off fixing it or! Our mission by becoming a Sustaining member the location of the main transmission to... I believe its tranny fluid, and its may be coming from around the hexagonal fitting ) takes! Whole line fill figuring it was a fairly straightforward and easy enough fix their transmission coolant line the! Portion at the rubber portion at the bottom of the line and cycle! ' started by muncie21, Dec 12, 2019 do a drain and fill figuring it was low on fluid! Discussion starter • # 1 • Jan 22, 2017 from around the outside of a leak! Source of the most obvious transmission cooler lines have been leaking ( Weaping ) for about a year.! An overheated transmission can be devastating as the System loses its ability to.! A 2014 Yukon XL Denali with the radiator tank this fitting run for some time n't fix without! Residuals around the end transmission can be devastating as the System loses its ability cool! Its not OEM cooler that is installed in the radiator and now the transmission and wondering! Line/Compression fitting set-up, to the transmission cooler lines are very common but at the portion! Issue of their transmission coolant line at the radiator to the transmission, replace or the! To work and how difficult is it to get some $ $ transmission cooler line leak at radiator away to the radiator to. Fluid takes the transmission cooling lines the thing right away because that stuff will ruin your transmission leak/seep, right.
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