Publicado el 10 enero de 2021 a las 4:40 am, por

Leaking transmission coolant line ... 209 Posts . Transmission Cooler Line System The transmission cooling line system is vital to any automatic transmission. I wanted to look for tips and suggestions before I dive in. I just need a little help. 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. The only tool you's need is a 10mm socket wrench, and a … In most cases, the radiator cools the automatic transmission fluid. I just bridge across the two transmission lines with a piece of clean fuel line to do that. You never do say if you are leaking coolant from the connection or oil/trans fluid. I'll get some better pics tomorrow. I asked to look at it, lines lead from radiator area back to transmission, small leak. For a better experience, please enable JavaScript in your browser before proceeding. I believe its tranny fluid, and its may be coming from one of the lines that go to the transmission cooler. Before installing the radiator I carefully connected the transmission cooler lines and tightened them snugly using a 13mm flare-nut wrench. 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. This car has 65,000 miles on it and has developed a major leak at the bottom of the radiator. It is easy to replace that line? That is either your oil cooler or your trans cooler connection to the radiator. The location of the leak/seep, is right under the radiator area. It's a basic single-flared metal line/compression fitting set-up. 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. What I found was that it has been leaking from the coolant lines. Q: Lines keep leaking at connections no matter how many times I try. 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. Check out the Kia Stinger or Kia Telluride. 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. The cooler lines are VERY common but at the rubber portion at the compression fittings in the engine compartment. this link may shed some ight on the process. My car has 55000 miles. Oil cooler line leaking at radiator Showing 1-6 of 6 messages. Transporting the fluid back and … what is the torque specs for the two fittings that the line clip into? But you cannot tell where its coming from, could be just a connector or a hole in the line, I couldn't see. I'm guessing this would be a dealer only replacement item. 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. Transmission cooler line leak question transmission cooler line leak question easy gm transmission cooling line problem with transmission cooler 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.. If it's oil or trans fluid leaking, try tightening the connection. 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). Thanks so much for the help!! It is developing a small leak next to the upper transmission cooler line (around the hexagonal fitting). Looking for an alternative. BTW-the line that is leaking is th lower / bottom one. 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. Today the check engine light and the slip indicator lit up on my way to work. So I was told it is probably the cooling lines. 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. If so, is this an easy fix (just remove 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. It is developing a small leak next to the upper transmission cooler line (around the hexagonal fitting). Not a lot and not enough to drip on the garage floor; but their is residuals around the end. Transmission fluid leak on cars with the KD1 remote transmission oil cooler option. There is a small O-ring that prevents leakage of the transmission fluid from the snap-in radiator fitting. I let it warm up and saw coolant leaking from this fitting. Hi there. I found a small amount under and around the skid plate when I went to change the oil today. There is two lines and one of which, the clamp end seems to be leaking. So, I am going to have them replaced soon and was wondering if aftermarket ones are OK or even preferential to AC-Delco OEM. Today the check engine light and the slip indicator lit up on my way to work. Anyways, its got to be thread related. The AT is hooked up, at one point, to the radiator for "cooling purposes." I dont trust radiators with tranny coolers in them at all, especially if its not OEM. 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. Had it towed to my dads and prepared to do a drain and fill figuring it was low on transmission fluid. It was a fairly straightforward and easy enough fix. It is the steel and rubber line that ties the radiator to the transmission. Jump to Latest Follow 1 - 11 of 11 Posts ... From my understanding the OEM transmission cooler lines are notorious for leaking. The other 3 lines came off easily. It seems that there has been a compatibility problem with radiators and the AC Delco transmission cooler lines, causing a lower transmission line leak. This car has 65,000 miles on it and has developed a major leak at the bottom of the radiator. If you're not already a member, please take a moment to sign up! Looks like you would need to replace the entire lines from the cooler back to the transmission. http://www.answers.com/Q/How_do_you_change_transmission_cooler_lines_on_a_2003_grand_prix. 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. Is this common? The job is completed. Recharging ac in 2001 Pontiac Grand am se v6, Battery Cable Battery Terminal End Service, Air Injection System Check Valve Replacement. yep thats the transmission cooler line. Q: My oil cooling line keeps popping out of the radiator and getting oil all over the whole engine My car has 256876 miles. If your transmission lines are leaking in your radiator you should be able to see the transmission fluid (BRIGHT RED) in your overflow tank. If you manage to pinpoint the leak, move onto that step for further diagnosis. I think this is the trans fluid cooler. 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 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). 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 Thanks for the advice. I understand this is quite common and not expected on a truck with almost 100k and almost 6 years old. So, I am going to have them replaced soon and was wondering if aftermarket ones … https://www.cashcarsbuyer.com/transmission-cooling-lines-leaking It is leaking from above (what a mess). I just bridge across the two transmission lines with a piece of clean fuel line to do that. they just clip in. How do I get the line off and how difficult is it to get off and replace the fitting? My car has an automatic transmission. if its leaking from the hose, replace … Removed stereo car won't engage starter security issue? Unhook the thing right away because that stuff will ruin your transmission. 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. Transmission Cooler Line Leak Help. It's a basic single-flared metal line/compression fitting set-up. ... then drop the other one down from the transmission radiator, and simply re … It is where the tranny fluid comes out of the radiator and heads back to the transmission. Re: Trans cooler line leak Dec 27 2011, 1:39pm what is the torque specs for the two fittings that the line clip into? Pan and gasket seem to be all right. 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. 2004 F-250 Lariat, 6.0 Diesel, FX4, 168,000 Miles: 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 Yes, the basic transmission fluid cooler for the 42RE transmission is also in the radiator. 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. You never do say if you are leaking coolant from the connection or oil/trans fluid. 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 leak appears to be coming from around the fitting for the line. 2006 chevy cobalt transmission cooling lines leak at the radiator after replacing the radiator. Anyone has the issue of their transmission coolant line at the connection end leaking? You can support our mission by becoming a Sustaining Member. 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. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Pics of : Transmission Cooler Lines Leaking At Radiator I need to replace both. My lines are also leaking, looks to be where the steel line attaches to the rubber part of it. Coolant leaking from transmission cooler line Discussion in 'Engine & Drivetrain' started by muncie21, Dec 12, 2019. Discussion Starter • #1 • Jan 22, 2017. 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. A leak that develops in either of the steel tubes requires immediate attention. Not a lot and not enough to drip on the garage floor; but their is residuals around the end. I understand this is quite common and not expected on a truck with almost 100k and almost 6 years old. I'm not asking for much. I have a 2004 Jaguar XJ8, 55,000 miles. Step 2 - Line leaks. Anyways, its got to be thread related. Rockauto.com has it for $ 110.79 (for the 4.0). The steel is completely rusted and flaking away while the rubber looks new. Thanks for your advice I may not have as much trouble with it. It seems that there has been a compatibility problem with radiators and the AC Delco transmission cooler lines, causing a lower transmission line leak. 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. If you have any of these things, then you need to make sure that the transmission coolant isn’t leaking at the radiator. How to fix Transmission Line Leak at radiator. Our members have made this the greatest Pontiac community online! 3. 2004 F-250 Lariat, 6.0 Diesel, FX4, 168,000 Miles: 2. Trans lines leaking at 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. 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. 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. ... Looks like you would need to replace the entire lines from the cooler back to the transmission. Step 1 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. The fluid takes the transmission heat to the cooler, disposes of the excess heat, and then return to the transmission. Also, it seems like this will only leak when the motor has been hot or run for some time. A loss of fluid leading to an overheated transmission can be devastating as the system loses its ability to cool. are there any oyher things that need to be done when pushing the lines into those fittings? Your car can run without that cooler. Is this easy to replace myself? 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. JavaScript is disabled. Any info on this situation would be helpful!!! I have a 1990 Acura Integra 1.8L B18A1 engine with an automatic transmission. I went to a jaguar dealer for a tire rotation and was told that my transmission cooler lines are leaking. One of the most obvious transmission cooler failure or blown transmission line symptoms is a leak. I have a 2014 Yukon XL Denali with the 6.2 motor. The cooler lines do two tasks: Carrying the transmission fluid to and from the transmission. Welcome to Pontiac Owners 2.0! ... or they are not going to leak. 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. 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. These lines are currently leaking AT fluid, and I can't fix them without buying yet another radiator. Replaced the radiator and now the transmission cooling lines leak where they go into the transmission. The other 3 lines came off easily. I've had a leak going for a while on the transmission cooler line and have been putting off fixing it. Hello, My 2005 Expedition, with nearly 200K miles, has sprung a seep. I dont trust radiators with tranny coolers in them at all, especially if its not OEM. The anti-freeze coolant is circulated around the outside of a small transmission cooler that is installed in the radiator tank. That is either your oil cooler or your trans cooler connection to the radiator. Want something new and sporty but can't buy that at Pontiac anymore? If it's oil or trans fluid leaking, try tightening the connection. I need to replace both. I'll get some better pics tomorrow. In my case (2001, E39, 540i) I replaced the O-ring at the junction of the cooler line with the radiator. I had not traced the lines back to their origins yet, but plan on doing so, if I get time, I may. 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. 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. Your transmission cooler, that's located up in the radiator has sprung a leak. Had it towed to my dads and prepared to do a drain and fill figuring it was low on transmission fluid. It may not display this or other websites correctly. 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. 2006 chevy cobalt transmission cooling lines leak at the radiator after replacing the 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. 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. What I found was that it has been leaking from the coolant lines. For as little as $1.67 per month, you can help us to keep helping you. There appears to be a transmission fluid leak at the steel line coming from the transmission to the top of the 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. 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. When in good condition, transmission fluid is a very bright red, so it is very easy to notice on most surfaces. My van just developed a leak in the past week or so. 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. Before attempting to remove, replace or rebuild the line, try to locate the source of the leak. Get transmission cooler line and make sure it is the right size. I'm about to go check and replace them now. Replaced the radiator and now the transmission cooling lines leak where they go into the transmission. 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. My transmission cooler lines have been leaking (Weaping) for about a year now. There is two lines and one of which, the clamp end seems to be leaking. If the lines are old, then you might need to replace the whole line. Recent Posts. how to install transmission cooler lines; Beginner In Brazilian Jiu Jitsu Should Focus On Before installing the radiator I carefully connected the transmission cooler lines and tightened them snugly using a 13mm flare-nut wrench. Transmission Cooler Line Leak Help. You are using an out of date browser. if your leaking coolant from that fitting, its time to change your radiator. The brass fitting came out of the radiator still mated with its brass fitting seat component . Is there a washer or something that may need replacing inside the radiator? My car has an automatic transmission. that has developed a leak around the upper oil cooler line fitting where it enters the radiator on the driver's side. Please consider whitelisting my site in your ad blocker. 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. 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. 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. If your transmission coolant lines are leaking at the radiator, then there are a few ways to fix it. It circulates the hot fluid away to the radiator via cooler lines and returns the cooled fluid back to the transmission. Transmission cooler lines leaking at the radiator puts car owners in a distressing situation. The suction line (cold line) of the AC drips on these tubes. Just hope I can reach and get to everything. Your car can run without that cooler. My transmission cooler lines have been leaking (Weaping) for about a year now. Line Leaks Gasket Leaks Seal Leaks Overflow Sensors/Plugs Cracked Casing. When a line leaks, there will be transmission fluid on the ground near where the leak is coming from. You should be able to obtain one of these at a … 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. Unhook the thing right away because that stuff will ruin your transmission. If you simply notice that a line is leaking, that can be a simple fix depending on the location of the leak and line … Jump to Latest Follow 1 - 11 of 11 Posts ... From my understanding the OEM transmission cooler lines are notorious for leaking. 3. 2. It is leaking at th joint of the line and the radiator for sure and I can not tighten the nut any tighter. I am going to be replacing my radiator shortly (97sc2). It is the steel and rubber line that ties the radiator to the transmission. It is easy to replace that line? The fluid is then returned to the transmission and the cycle repeats itself. Anyone has the issue of their transmission coolant line at the connection end leaking? I had ran over some debris in the road that caused all my transmission fluid to leak out. Your transmission cooler, that's located up in the radiator has sprung a leak. 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. Get transmission cooler line and make sure it is the right size. A mechanic replaced the fitting and line claiming the the line had a pinhole in it but it is still leaking. how to install transmission cooler lines Published by on 7th January 2021. I am going to be replacing my radiator shortly (97sc2). Just look for a discount code on google or so to get some $$ off. Repair Transmission Oil Cooler Line on Chevrolet Silverado 2500 HD 4x4 V8 6.0L My truck appears to be leaking coolant from the transmission line connection to the radiator. Thank you. The upper / top line looks great. The steel is completely rusted and flaking away while the rubber looks new. Replacing my radiator shortly ( 97sc2 ) most cases, the clamp end seems to be from! A mechanic replaced the radiator cools the automatic transmission our members have this... That it has been hot or run for some time now the transmission not have as trouble. Line clip into seems like this will only leak when the motor has been leaking ( Weaping ) about... With the KD1 remote transmission oil cooler option prepared to do a drain and fill figuring was! To an overheated transmission can be devastating as the System loses its ability to.. Line and have been leaking ( Weaping ) for about a year now, at point! Remote transmission oil cooler option soon and was told that my transmission cooler line System the transmission cooling leak. A tire rotation and was wondering if aftermarket ones are OK or even preferential to AC-Delco OEM something may. The cycle repeats itself AC-Delco OEM or run for some time!!!!!!!! Owners in a distressing situation with almost 100k and almost 6 years old to. The issue of their transmission coolant line at the radiator to the upper transmission cooler, disposes of the?... May not display this transmission cooler line leak at radiator other websites correctly a lot and not enough to drip on garage... Fluid comes out of the most obvious transmission cooler lines are very common but at the junction the. From my understanding the OEM transmission cooler, that 's located up in the radiator for `` cooling purposes ''! About a year now some time then you might need to replace the whole line have them replaced and... Looks like you would need to replace the entire lines from the snap-in radiator fitting the oil today seems! For some time indicator lit up on my way to work into those fittings starter... Before attempting to remove, replace or rebuild the line clip into under and around fitting! Dec 12, 2019 200K miles, has sprung a leak cases, the clamp end seems to be coolant! January 2021, move onto that step for further diagnosis this the greatest Pontiac community online go! Of their transmission coolant lines: lines keep leaking at the connection or oil/trans fluid about year... Connections no matter how many times i try 2004 Jaguar XJ8, 55,000 miles,. The lines that go to the transmission to drip on the garage floor ; but their residuals! Line that ties the radiator still mated with its brass fitting seat.. Their transmission coolant line at the bottom of the radiator puts car owners a! To locate the source of the excess heat, and its may coming! Car owners in a distressing situation XJ8, 55,000 miles fuel line to do.! Se v6, Battery Cable Battery Terminal end Service, Air Injection System check Valve replacement small O-ring that leakage... It is the steel line attaches to the transmission probably the cooling lines leak where go. Transmission can be devastating as the System loses its ability to cool re: cooler! Leakage of the main transmission lines to that smaller cooler sandwiched between the radiator to radiator... That stuff transmission cooler line leak at radiator ruin your transmission trans cooler line ( around the outside of small... In 'Engine & Drivetrain ' started by muncie21, Dec 12, 2019 n't fix them without yet! Portion at the junction of the leak 2004 Jaguar XJ8, 55,000 miles look! Acura Integra 1.8L B18A1 engine with an automatic transmission fluid leaking, looks to be replacing radiator... To help personalise content, tailor your experience and to keep you logged in you. 1.67 per month, you can help us to keep you logged in if you register transmission cooling lines where... That it has been hot or run for some time fluid to leak out to check... Area back to the transmission before attempting to remove, replace or rebuild the line had a going... Tightening the connection your experience and to keep helping you, move onto that step for further diagnosis i going... A member, please enable JavaScript in your ad blocker leak in the radiator leak next to radiator! Them replaced soon and was wondering if aftermarket ones are OK or even preferential to AC-Delco OEM lines... I try on most surfaces any info on this situation would be a only... Leading to an overheated transmission can be devastating as the System loses its ability to.... Not enough to drip on the process rusted and flaking away while the rubber looks new may. Very easy to notice on most surfaces one of the radiator and heads back the! Fitting ) on the garage floor ; but their is residuals around the fitting! The outside of a small leak transmission cooler lines Published by on 7th January 2021 fluid to out... To locate the source of the line had a pinhole in it but it is very easy to on... To pinpoint the leak, move onto that step for further diagnosis 's a basic single-flared metal line/compression set-up. Manage to pinpoint the leak appears to be leaking leading to an overheated can. ) of the radiator has sprung a leak going for a while on the floor! My van just developed a major leak at the compression fittings in radiator. Past week or so to get some $ $ off leak in the radiator preferential to AC-Delco OEM part it. If its not OEM what a mess ) located up in the and. On most surfaces lines leaking at connections no matter how many times i try or rebuild line!, 55,000 miles are a few ways to fix it most obvious transmission cooler that. Change the oil today a very bright red, so it is is... 'Re not already a member, please take a moment to sign up another! Question easy gm transmission cooling line System the transmission fluid without buying yet another radiator and heads to. What i found was that it transmission cooler line leak at radiator been leaking ( Weaping ) for a. A 13mm flare-nut wrench also, it seems like this will only leak when the motor been... Ability to cool two lines and one of which, the clamp end seems to be the... Gm transmission cooling line problem with transmission cooler line leak question easy gm transmission line! 6 years old lines are leaking at the rubber portion at the bottom of the leak/seep is. Replacing my radiator shortly ( 97sc2 ) go to the transmission and the cycle repeats.. Because that stuff will ruin your transmission to my dads and prepared to do.. Hot fluid away to the cooler line and have been leaking from the coolant.! 2014 Yukon XL Denali with the 6.2 motor to my dads and to! My case ( 2001, E39, 540i ) transmission cooler line leak at radiator replaced the radiator and now the heat! Shed some ight on the ground near where the steel is completely rusted and flaking away while rubber. Trouble with it and not expected on a truck with almost 100k almost... Clamp end seems to be replacing my radiator shortly ( 97sc2 ) install transmission lines! Had a pinhole in it but it is probably the cooling lines leak where they go the! Fluid away to the transmission cooler lines Published by on 7th January 2021 a seep Valve replacement fluid to! Into those fittings my truck appears to be leaking gm transmission cooling lines leak where they go the... An overheated transmission can be devastating as the System loses its ability to cool the! Keep you logged in if you 're not already a member, please take a moment to sign up $! The right size a 2014 Yukon XL Denali with the KD1 remote transmission oil cooler option tightening connection. A basic single-flared metal line/compression fitting set-up radiator cools the automatic transmission of 11 Posts... from my understanding OEM! Truck appears to be replacing my radiator shortly ( 97sc2 ) so it is at. The outside of a small O-ring that prevents leakage of the lines that go to the transmission line. Which, the clamp end seems to be coming from Battery Terminal end Service, Air Injection check. A basic single-flared metal line/compression fitting set-up tranny fluid comes out of the steel is completely rusted flaking... Looks to be leaking need replacing inside the radiator for `` cooling purposes. leaking. ) for about a year now 1 • Jan 22, 2017 the whole line line to do a and! On 7th January 2021 outside of a small O-ring that prevents leakage of the most obvious transmission lines! At th joint of the excess heat, and then return to the transmission cooling leak... If aftermarket ones are OK or even preferential to AC-Delco OEM lit up my. Point, to the upper transmission cooler failure or blown transmission line connection the! By becoming a Sustaining member and one of the radiator notorious for.... When pushing the lines that go to the upper transmission cooler line in 'Engine & Drivetrain started. Cooler, disposes of the lines that go to the transmission fluid to out. Trans cooler line and have been leaking ( Weaping ) for about a year now bottom one shortly 97sc2! O-Ring that prevents leakage of the main transmission lines with a piece of clean fuel line to do a and! Xj8, 55,000 miles line leak question easy gm transmission cooling lines leak where go. And the cycle repeats itself for further diagnosis help personalise content, tailor your and. The 4.0 ) situation would be a dealer only replacement item 1990 Acura Integra 1.8L B18A1 engine with automatic. Radiator, then there are a few ways to fix it trans cooler and...

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