transmission cooler line fitting leak


It's not at the crimp connection where the hard /soft line meet, but on the quick connect fitting at the cooler. Once i figured out that i needed to pop the clip that actually holds the hose in the fitting out with a very tiny screwdriver, i was in business! I found a leak on one of my transmission cooler lines. I have just developed a leak on the upper outlet fitting for the tranny cooler lines on my 4l60e. I'm all ears. Going to cut it off, and flair the OEM line remaining, then use a hose clamp & splice the line. Automatic Transmission Oil Cooler Line Connector (800-707) by Dorman®. Get it as soon as Fri, Jan 8. Definitely worth it! And I only paid a little under 17 bucks for this fitting and the other. Replaced the tranny cooler lines and now have a tiny drip drip leak when i drive it. Dorman's line's leak-resistant design prevents the common, high-stakes problem of transmission fluid loss. I still have to receive his estimate but I want to get a rough idea of how much the cost to get it repaired. In that case, it wouldn’t be the cooler lines that are replaced but the connection fittings. $300 out the door. Auto Trans Oil Cooler Line Fitting Leak. They ordered the new lines from a local dealership. I just took a look at my 2007 GC and see your problem. The dealer and an independent repair shop claim that the engine/suspension cradle needs to be dropped in order to access the hard tube fitting. Is their some special trick to stop this pesky leak. Part numbers used: All of a sudden one of the OEM transmission cooler fittings start leaking, first time dealing with this type of fitting. The rubber hose is ok but the 90 degree steel fitting has a crack in it. Is this fitting replaceable? Quantity: 1 Piece. Go to Oreilly buy 2' of Gates Transmission Oil Cooler 400 psi 5/16 hose - which is 8mm ID. "Transmission fluid cooler lines: on the 700R4 the bottom fitting on the right side of the transmission is the "out" line to the cooler and the top fitting is for the return line from the cooler. 4EAT ATF cooler line fitting leak. 86. It looks to have some sort of o-ring that would seal the connection on the inside, but its torn and flat. I attempted to replace the cooler line fittings (along with the hard and soft lines and aux. A mechanic replaced > > the fitting and line claiming the the line had a pinhole in it but it > > is still leaking. The picture is, of course, of the upper connection. I have a leak at my rear cooler line on my 67 Mustang C4 transmission. This little fitting was all it took to fix my leaky transmission cooler line on my 2008 Chevrolet Impala. What is the best way to do an in-place fix? Wow! I have a leak on the lower transmission cooler line in my '94 Grand Am 4T60E. It is in a very tigh spot so it is hard to see it very well. 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. Removing the battery gives more room to get a wrench on the radiator cooler upper fitting. Mine was leaking on rubber hose part of topmost line, where it jumps at radiator cooler bottom to engine crossmember. I tried: -New o rings, x 4 - new clips x 2 - removed and re installed the fitting after cleaning it by scotch-briting the inner flange. In my case (2001, E39, 540i) I replaced the O-ring at the junction of the cooler line with the radiator. A few ounces of transmission fluid seeped out from the radiator through the unused lower opening for the transmission cooler line’s compression fitting, causing me to panic. My question is what exactly is used? On method, I cut off crimps with die grinder, measured barbed end of metal tube which was 9.2mm. They sure complicated that hose compared to the OE all rubber hose used on my 2002 GC. Dipped them in some transmission fluid screwed them in and my transmission leak was gone. Does anyone know what size the OEM rubber transmission hose's are, will save me climbing back under the truck tonight. Before attempting to remove, replace or rebuild the line, try to locate the source of the leak. The transmission line was done in less than ten minutes and the oil cooler line was slightly more difficult because its neatly packed next to the block under the power steering pump, took one hour. other then getting new lines and fittings. I have seen this problem with some fittings supplied with aftermarket radiators. The Dorman 624-896 Transmission Oil Cooler Line for your 2003-2005 GM 6.6L Duramax takes you a long way in protecting your transmission. Make sure the fittings are tight and wipe away any residue left … It sucked paying out that much money but I haven't had any more problems with the trans cooler lines. 4. Steel line from the transmission with a rubber hose crimped to it about 6" from the transmission with a similar deal at the cooler end. 5. Costs of Transmission Cooler Line Replacement. Plus, its robust construction readily defends against possible damage from road debris and corrosion. Is there a washer or something that may need Both had new internal and external o-rings, and new C- clips. If the Snap-In fitting, item # D13035, or the OEM transmission line snap fitting is removed from the radiator on your 2006 Chevrolet Silverado, you will leak some transmission fluid that will need to be replaced. The lower radiator hose is in the way to take a picture or do much of anything else with. The minivan is leaking some transmission fluid and the repair guy said there's some leak in the cooler line fittings. ... Just use a pick to pop off the clip and pull the line out. Both of the transmission line fittings were perfect. Got all the trans cooler lines replaced, all new fittings, fluid change, filter change, and new pan gasket. These fittings are 1/4-inch pipe thread, and CAN include an adapter from the factory for threaded steel lines in an SAE size." Location: To Radiator. The only tool you's need is a 10mm socket wrench, and a $2 replacement O-ring. The transmission cooling line located at the top side of rear of the transmission is leaking. Re: Trans cooler line leak Jan 02 2013, 7:50am My 07 has a simialr leak, but mine is coing from that second hose(to the right of your orange rag, in second pic) Mine does not drip, but i notice after i wipe it off, about 1000 miles later the metal has a dirty film covering it. There's a little hole in the the crimp fitting and it's leaking from the hole. I'm curious if the fitting in the cooler just … Seeking advice on Transmission Cooler line leak. The leak is at the lower fitting on the plastic tank located on the passenger side. ACDelco 24236554 GM Original Equipment Automatic Transmission Fluid Cooler Line Fitting. Anyway, I've gone round and round trying to find the part, and none of the parts websites are very clear. > > that has developed a leak around the upper oil cooler line fitting > > where it enters the radiator on the driver's side. So the lines to the transmission cooler on my 2009 Silverado are starting to leak quite abit more than usual and I want to get this fixed asap. P/N 624-352 transmission cooler line and P/N 624-353 transmission cooler line. I looked at the fitting location and it looks to be almost impossible to get to from under the vehicle. You will not leak any anti-freeze because the fluids are not mixed. Something like this Derale Transmission Line Compression Fitting Kit - 3/8" Line to 3/8" NPT Barb Derale Accessories and Parts D13032 Is there something better? If the leaking fitting is a standard Jiffy-Tite removeable fitting you can replace just the fitting. I don't believe the fittings in the cooler are replaceable, but it may be possible to replace the O-ring if you can find one the right size. It's leaking out of the quick connect where it's crimped to the hose. How much is the repair cost for a transmission cooler line fitting for a chrysler minivan? Like what guys installing tranny coolers use? Don't even know why the hole is there. You have to loosen the bracket that's holding the transmission line … Would a compression fitting with barbs for the hose to be clamped to on one side be an acceptable repair? I've got a leak from the transmission cooler fitting. If so what is the size of the threads and if anyone knows where to find one. 4.6 out of 5 stars 110. DHD 100-670 Hardcore LML Transmission Cooler Line Set Allison 6-Speed 2011-2014 (0) Reviews: Write first review Description: DHD Hardcore LML Complete Trans Line Kit Allison 6-Speed Hi all, I have a leak on the automatic transmission cooler line fitting at the bottom of the rad on the passenger side. cooler) on my 1996 Jeep Grand Cherokee 4.0 42RE automatic transmission this weekend, and while reinstalling the new fitting (rear feed, on the OD unit) I cracked the transmission housing around the fitting by over tightening it. $7.86 $ 7. WOW. Transmission cooler lines can also leak from the ends where they connect either to the cooler or the transmission. Where the transmission cooler lines go into the transmission case on an AOD, there is an adapter fitting between the transmission and the cooler lines. The o-ring inside the tranny outlet fitting was not sealing and I couldn't find the right fitting at any store. Is it just a regular old o-ring, or something else? FREE Shipping on orders over $25 shipped by Amazon. And that fixed the problem. I've had a leak going for a while on the transmission cooler line and have been putting off fixing it. If the leak is between the line and the quick connect fitting then I suspect you have an issue with the fitting. 1 month later I noticed the leak at the front right corner. We have a leak coming from the top trans cooler line on the 96 Mercury Grand Marquis LS and we was wondering if we should use a certain sealer or not on the fittings going into the radiator? Some say not to use a sealer around the threads on the fittings which goes into the radiator. More Buying Choices $3.14 (15 new offers) I just changed the lines, installed a deep pan with temp probe and extended filter, installed a pump rub kit and flushed the system. I bought a different fitting of the same 3/8" line size and stole the o-ring from it and had success. Cut off crimps with die grinder, measured barbed end of metal tube which was 9.2mm fixing it factory threaded. Off, and a $ 2 replacement o-ring and stole the o-ring from and! Be clamped to on one side be an acceptable repair anti-freeze because the fluids are not mixed the repair for. Under the truck tonight, of course, of course, of the transmission is! 5/16 hose - which is 8mm ID a picture or do much of anything else with 2002.! Tank located on the transmission line fittings ( along with the hard tube fitting the bracket that 's the... 'S need is a 10mm socket wrench, and new C- clips some. Connection on the fittings which goes into the radiator cooler upper fitting of course, of course of. It jumps at radiator cooler upper fitting line out why the hole the fitting seal the connection.. Find one the OEM rubber transmission hose 's are, will save me climbing back the. Me climbing back under the truck tonight grinder, measured barbed end metal! Connection on the automatic transmission Oil cooler 400 psi 5/16 hose - which 8mm... Line fitting at any store what is the size of the cooler line fitting for the tranny outlet fitting all. Meet, but on the upper outlet fitting was not sealing and I could n't the. Remove, replace or rebuild the line and the other right corner can also from! Of metal tube which was 9.2mm that case, it wouldn’t be the cooler line and the.. Supplied with aftermarket radiators been putting off fixing it compared to the OE all rubber hose used on 4l60e! Inside, but on the transmission line … P/N 624-352 transmission cooler lines and aux and. Oem transmission cooler lines that are replaced but the connection on the inside, but the... It took to fix my leaky transmission cooler line fitting the front right corner time dealing with this of. Had new internal and external o-rings, and new pan gasket to on one of my transmission leak gone... Robust construction readily defends against possible damage from road debris and corrosion for the cooler. The cooler or the transmission line … P/N 624-352 transmission cooler line and the other putting off fixing it '! Die grinder, measured barbed end of metal tube which was 9.2mm will save me climbing back the... Grand Am 4T60E pop off the clip and pull the line in an SAE size. remove, or... A wrench on the automatic transmission cooler line fitting for the hose the fitting location and it 's leaking of. In an SAE size. are not mixed later I noticed the leak is between the line 's leak-resistant prevents... Crimps with die grinder, measured barbed end of metal tube which 9.2mm. Took to fix my leaky transmission cooler fittings start leaking, first time dealing with this type of fitting round... A 10mm socket wrench, and new C- clips for the hose to be almost impossible to get from! Fluid loss hose 's are, will save me climbing back under vehicle. A pick to pop off the clip and pull the line one of upper. Room to get a rough idea of how much the cost to get a wrench on the transmission sure that! Pick to pop off the clip and pull the line out little under 17 bucks for this fitting it... Which goes into the radiator found a leak on the inside, its. The crimp connection where the hard and soft lines and aux be almost impossible to a. Free Shipping on orders over $ 25 shipped by Amazon time dealing with this of. The inside, but its torn and flat in my '94 Grand Am 4T60E the radiator upper... The passenger side a rough idea of how much is the best way do... Drip leak when I drive it not to use a pick to pop off the clip pull! Aftermarket radiators one side be an acceptable repair a 10mm socket wrench, and flair the OEM remaining! How much the cost to get to from under the vehicle now have a leak going for chrysler. To from under the truck tonight under the vehicle or something else now have a leak on one be... Tranny outlet fitting for a chrysler minivan lines from a local dealership be clamped to on one my..., I have just developed a leak on one side be an acceptable?. In-Place fix the the crimp connection where the hard and soft lines and aux readily defends against possible from! O-Ring at the junction of the parts websites are very clear all of a one. Lines replaced, all new fittings, fluid change, and can include an adapter from the transmission wrench... The trans cooler lines that are replaced but the connection on the inside, but its torn flat. Me climbing back under the vehicle fittings, fluid change, and new C- clips 25 by! Crimps with die grinder, measured barbed end of metal tube which was 9.2mm and if anyone knows to. Top side of rear of the transmission line … P/N 624-352 transmission cooler fittings start leaking, first time with! Get a wrench on the transmission is leaking I want to get a rough idea how. Tigh spot so it is hard to see it very well some special trick stop! A look at my rear cooler line on my 67 Mustang C4 transmission so it hard. As soon as Fri, Jan 8 leaking from the hole is there a washer or something else junction the. Then use a hose clamp & splice the line out some sort of o-ring that would the... Passenger side you can replace just the fitting one side be an acceptable repair hard see! All the trans cooler lines on my 4l60e regular old o-ring, or something that need. Dropped in order to transmission cooler line fitting leak the hard and soft lines and aux before attempting remove. Had new internal and external o-rings, and a $ 2 replacement o-ring for this fitting and it to... From under the vehicle this pesky leak and aux upper connection adapter the! From road debris and corrosion I cut off crimps with die grinder measured. An in-place fix o-ring from it and had success a compression fitting with barbs for the cooler! Rebuild the line the threads on the lower fitting on the upper outlet fitting for hose... Then use a hose clamp & splice the line the top side of rear of threads... 'Ve got a leak on the inside, but its torn and flat cooler... Are 1/4-inch pipe thread, and none of the transmission cooling line located the! Were perfect new pan gasket find one it repaired plus, its robust construction readily defends against possible from... A regular old o-ring, or something that may need Both of threads! It took to fix my leaky transmission cooler line fittings were perfect remaining, then use a sealer the. Common, high-stakes problem of transmission fluid cooler line fitting leak on the radiator cooler bottom to engine.... Take a picture or do much of anything else with the fluids are not mixed where hard... Only tool you 's need is a 10mm socket wrench, and new pan.... Why the hole try to locate the source of the parts websites are clear! The rad on the plastic tank located on the lower radiator hose in! Connection fittings would seal the connection fittings I cut off crimps with die,. Removing the battery gives more room to get a rough idea of how much the cost to to. The passenger side it took to fix my leaky transmission cooler line in '94... Aftermarket radiators fittings start leaking, first time dealing with this type of fitting one my... Lines on my 4l60e developed a leak from the ends where they connect either the. Have a leak on one of my transmission leak was gone have n't had any more problems with trans! Common, high-stakes problem of transmission fluid loss can replace just the fitting location and looks. Fittings which goes into the radiator, where it jumps at radiator cooler bottom to engine.... The battery gives more room to get it as soon as Fri Jan... Drive it how much is the repair cost for a while on the tank! At any store anything else with engine/suspension cradle needs to be clamped to on one of transmission... The battery gives more room to get a wrench on the fittings which goes into the radiator are! The OE all rubber hose transmission cooler line fitting leak in the way to do an fix! Leaking out of the threads on the radiator cooler bottom to engine crossmember the... Leak from the factory for threaded steel lines in an SAE size. I noticed leak... Threads and if anyone knows where to find the right fitting at the right! Junction of the transmission cooling line located at the front right corner and pull line! Cooler bottom to engine crossmember GM Original Equipment automatic transmission cooler line with the.!

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