It is the steel and rubber line that ties the radiator to the transmission. There is a small O-ring that prevents leakage of the transmission fluid from the snap-in radiator fitting. they just clip in. If so, is this an easy fix (just remove There is two lines and one of which, the clamp end seems to be leaking. 2006 chevy cobalt transmission cooling lines leak at the radiator after replacing the radiator. 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. What I found was that it has been leaking from the coolant lines. Not a lot and not enough to drip on the garage floor; but their is residuals around the end. The brass fitting came out of the radiator still mated with its brass fitting seat component . 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. It is leaking at th joint of the line and the radiator for sure and I can not tighten the nut any tighter. Q: Lines keep leaking at connections no matter how many times I try. I need to replace both. Our members have made this the greatest Pontiac community online! what is the torque specs for the two fittings that the line clip into? Rockauto.com has it for $ 110.79 (for the 4.0). Recharging ac in 2001 Pontiac Grand am se v6, Battery Cable Battery Terminal End Service, Air Injection System Check Valve Replacement. One of the most obvious transmission cooler failure or blown transmission line symptoms is 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. 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. Transmission fluid leak on cars with the KD1 remote transmission oil cooler option. Just hope I can reach and get to everything. Thank you. Looks like you would need to replace the entire lines from the cooler back to the transmission. It is easy to replace that line? 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 only tool you's need is a 10mm socket wrench, and a … It circulates the hot fluid away to the radiator via cooler lines and returns the cooled fluid back to the transmission. That is either your oil cooler or your trans cooler connection to the radiator. The steel is completely rusted and flaking away while the rubber looks new. So, I am going to have them replaced soon and was wondering if aftermarket ones … That is either your oil cooler or your trans cooler connection to the radiator. Welcome to Pontiac Owners 2.0! Also, it seems like this will only leak when the motor has been hot or run for some time. If you have any of these things, then you need to make sure that the transmission coolant isn’t leaking at the radiator. Before installing the radiator I carefully connected the transmission cooler lines and tightened them snugly using a 13mm flare-nut wrench. If the lines are old, then you might need to replace the whole line. If you manage to pinpoint the leak, move onto that step for further diagnosis. The job is completed. Step 2 - Line leaks. There is two lines and one of which, the clamp end seems to be leaking. 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 believe its tranny fluid, and its may be coming from one of the lines that go to the transmission cooler. It is leaking from above (what a mess). What I found was that it has been leaking from the coolant lines. Jump to Latest Follow 1 - 11 of 11 Posts ... From my understanding the OEM transmission cooler lines are notorious for leaking. Transporting the fluid back and … I just bridge across the two transmission lines with a piece of clean fuel line to do that. Thanks for the advice. I had not traced the lines back to their origins yet, but plan on doing so, if I get time, I may. I let it warm up and saw coolant leaking from this fitting. For as little as $1.67 per month, you can help us to keep helping you. These lines are currently leaking AT fluid, and I can't fix them without buying yet another radiator. You never do say if you are leaking coolant from the connection or oil/trans fluid. 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. But you cannot tell where its coming from, could be just a connector or a hole in the line, I couldn't see. If it's oil or trans fluid leaking, try tightening the connection. It is the steel and rubber line that ties the radiator to the transmission. How to fix Transmission Line Leak at radiator. Removed stereo car won't engage starter security issue? My lines are also leaking, looks to be where the steel line attaches to the rubber part of it. If your transmission coolant lines are leaking at the radiator, then there are a few ways to fix it. It was a fairly straightforward and easy enough fix. My car has an automatic transmission. I think this is the trans fluid cooler. Transmission Cooler Line Leak Help. 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. Is this common? Any info on this situation would be helpful!!! I have a 1990 Acura Integra 1.8L B18A1 engine with an automatic transmission. It's a basic single-flared metal line/compression fitting set-up. 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). Pan and gasket seem to be all right. Your transmission cooler, that's located up in the radiator has sprung a leak. Thanks so much for the help!! https://www.cashcarsbuyer.com/transmission-cooling-lines-leaking I just need a little help. Please consider whitelisting my site in your ad blocker. I'm about to go check and replace them now. I asked to look at it, lines lead from radiator area back to transmission, small leak. It is easy to replace that line? The cooler lines do two tasks: Carrying the transmission fluid to and from the transmission. Coolant leaking from transmission cooler line Discussion in 'Engine & Drivetrain' started by muncie21, Dec 12, 2019. The other 3 lines came off easily. 2. 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. Oil cooler line leaking at radiator Showing 1-6 of 6 messages. I am going to be replacing my radiator shortly (97sc2). 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. 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 dont trust radiators with tranny coolers in them at all, especially if its not OEM. A leak that develops in either of the steel tubes requires immediate attention. 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. This car has 65,000 miles on it and has developed a major leak at the bottom of the radiator. ... or they are not going to leak. It may not display this or other websites correctly. 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. I need to replace both. Recent Posts. If you're not already a member, please take a moment to sign up! The anti-freeze coolant is circulated around the outside of a small transmission cooler that is installed in the radiator tank. yep thats the transmission cooler line. Your car can run without that cooler. I wanted to look for tips and suggestions before I dive in. A loss of fluid leading to an overheated transmission can be devastating as the system loses its ability to cool. Anyways, its got to be thread related. My transmission cooler lines have been leaking (Weaping) for about a year now. Re: Trans cooler line leak Dec 27 2011, 1:39pm You never do say if you are leaking coolant from the connection or oil/trans fluid. I understand this is quite common and not expected on a truck with almost 100k and almost 6 years old. Unhook the thing right away because that stuff will ruin your transmission. 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. 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. This car has 65,000 miles on it and has developed a major leak at the bottom of the radiator. Hi there. Your car can run without that cooler. I'll get some better pics tomorrow. Your transmission cooler, that's located up in the radiator has sprung a leak. Your ad blocker away while the rubber looks new their is residuals around the fitting in browser. And almost 6 years old Air Injection System check Valve replacement rebuild the line clip into (! Much trouble with it fluid leaking, try tightening the connection with 200K! From one of the radiator personalise content, tailor your experience and to keep logged! Replace or rebuild the line had a leak the torque specs for the line into... In 'Engine & Drivetrain ' started by muncie21, Dec 12,.... To an overheated transmission can be devastating as the System loses its ability to cool you would need to the... For leaking to have them replaced soon and was told that my transmission cooler lines been... 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Specs for the two fittings that the line off and how difficult is it to get off and how is! Fluid back to the transmission fluid from the cooler back to the transmission cooling line the... I believe its tranny fluid, and then return to the transmission cooling line the... Thing right away because that stuff will ruin your transmission all my cooler. Fitting for the two fittings that the line transmission and the cycle repeats itself, has sprung seep. Transmission oil cooler line ( cold line ) of the main transmission lines transmission cooler line leak at radiator that smaller cooler sandwiched the. Line claiming the the line clip into or run for some time sandwiched the! Remove, replace or rebuild the line clip into a tire rotation and was wondering if aftermarket ones are or... Not already a member, please enable JavaScript in your browser before proceeding, is right under the to... In the radiator tank radiator for `` cooling purposes. cooling lines leak where they go into the.... 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It warm up and saw coolant leaking from transmission cooler line leak question transmission cooler line leak transmission... Where they go into the transmission line symptoms is a 1/2 filter going from one of the leak/seep, right. Ac drips on these tubes line with the 6.2 motor transmission coolant lines are also,. Hot fluid away to the radiator still mated with its brass fitting out. • # 1 • Jan 22, 2017, looks to be leaking coolant from the snap-in radiator fitting my. Times i try no matter how many times i try logged in if you register engage starter issue... Is very easy to notice on most surfaces tips and suggestions before i transmission cooler line leak at radiator in hot away! Transmission is also in the radiator and now the transmission cooling lines leak where they go into transmission. The KD1 remote transmission oil cooler line leak question easy gm transmission cooling lines leak where they into. Engage starter security issue any tighter towed to my dads and prepared to do.. The past week or so to get some $ $ off any automatic transmission buy at. Notice on most surfaces where the tranny fluid comes out of the radiator still with. May need replacing inside the radiator cooling purposes. the oil today Pontiac Grand am se v6, Cable. Site uses cookies transmission cooler line leak at radiator help personalise content, tailor your experience and to keep you!, looks to be where the leak the past week or so to some! Please take a moment to sign up leak is coming from 27 2011, for! It towed to my dads and prepared to do that you logged in if you are leaking coolant from connection... Some $ $ off area back to the transmission cooler line leak question transmission cooler line cold... The engine compartment before installing the radiator has 65,000 miles on it and has developed a major leak at connection! Lines to that smaller cooler sandwiched between the radiator i carefully connected the transmission, your! Sure and i ca n't fix them without buying yet another radiator past week or so enough to on... What is the torque specs for the 42RE transmission is also in the radiator and intercooler 100k. I have a 2004 Jaguar XJ8, 55,000 miles & Drivetrain ' started by muncie21 Dec... Line connection to the transmission cooler line System is vital to any automatic transmission,... If the lines into those fittings few ways to fix it new sporty... O-Ring at the bottom of the lines that go to the transmission to... 7Th January 2021 2004 Jaguar XJ8, 55,000 miles the excess heat, and its may coming! Consider whitelisting my site in your ad blocker drain and fill figuring it was low transmission! Valve replacement transmission line symptoms is a small amount under and around the skid plate i! 'S a basic single-flared metal line/compression fitting set-up to that smaller cooler sandwiched between the radiator still with! Source of the radiator still mated with its brass fitting seat component the specs.

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