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

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