Go to Oreilly buy 2' of Gates Transmission Oil Cooler 400 psi 5/16 hose - which is 8mm ID. Going to cut it off, and flair the OEM line remaining, then use a hose clamp & splice the line. A mechanic replaced > > the fitting and line claiming the the line had a pinhole in it but it > > is still leaking. Is it just a regular old o-ring, or something else? I have seen this problem with some fittings supplied with aftermarket radiators. 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. Both had new internal and external o-rings, and new C- clips. It's not at the crimp connection where the hard /soft line meet, but on the quick connect fitting at the cooler. I have a leak on the lower transmission cooler line in my '94 Grand Am 4T60E. 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? More Buying Choices $3.14 (15 new offers) They sure complicated that hose compared to the OE all rubber hose used on my 2002 GC. These fittings are 1/4-inch pipe thread, and CAN include an adapter from the factory for threaded steel lines in an SAE size." 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. Got all the trans cooler lines replaced, all new fittings, fluid change, filter change, and new pan gasket. FREE Shipping on orders over $25 shipped by Amazon. Anyway, I've gone round and round trying to find the part, and none of the parts websites are very clear. other then getting new lines and fittings. "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. I attempted to replace the cooler line fittings (along with the hard and soft lines and aux. It's leaking out of the quick connect where it's crimped to the hose. Location: To Radiator. $300 out the door. The lower radiator hose is in the way to take a picture or do much of anything else with. It is in a very tigh spot so it is hard to see it very well. And I only paid a little under 17 bucks for this fitting and the other. 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. I just took a look at my 2007 GC and see your problem. Make sure the fittings are tight and wipe away any residue left ⦠WOW. Transmission cooler lines can also leak from the ends where they connect either to the cooler or the transmission. I'm all ears. All of a sudden one of the OEM transmission cooler fittings start leaking, first time dealing with this type of fitting. 5. Wow! 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 sucked paying out that much money but I haven't had any more problems with the trans cooler lines. The only tool you's need is a 10mm socket wrench, and a $2 replacement O-ring. 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. Removing the battery gives more room to get a wrench on the radiator cooler upper fitting. You will not leak any anti-freeze because the fluids are not mixed. Dorman's line's leak-resistant design prevents the common, high-stakes problem of transmission fluid loss. It looks to have some sort of o-ring that would seal the connection on the inside, but its torn and flat. If the leaking fitting is a standard Jiffy-Tite removeable fitting you can replace just the fitting. $7.86 $ 7. This little fitting was all it took to fix my leaky transmission cooler line on my 2008 Chevrolet Impala. In that case, it wouldnât be the cooler lines that are replaced but the connection fittings. If the leak is between the line and the quick connect fitting then I suspect you have an issue with the fitting. Costs of Transmission Cooler Line Replacement. On method, I cut off crimps with die grinder, measured barbed end of metal tube which was 9.2mm. Before attempting to remove, replace or rebuild the line, try to locate the source of the leak. Dipped them in some transmission fluid screwed them in and my transmission leak was gone. The leak is at the lower fitting on the plastic tank located on the passenger side. The minivan is leaking some transmission fluid and the repair guy said there's some leak in the cooler line fittings. Hi all, I have a leak on the automatic transmission cooler line fitting at the bottom of the rad on the passenger side. 4.6 out of 5 stars 110. Automatic Transmission Oil Cooler Line Connector (800-707) by Dorman®. Replaced the tranny cooler lines and now have a tiny drip drip leak when i drive it. 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. I'm curious if the fitting in the cooler just ⦠I've got a leak from the transmission cooler fitting. Get it as soon as Fri, Jan 8. 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. 4. And that fixed the problem. Seeking advice on Transmission Cooler line leak. You have to loosen the bracket that's holding the transmission line ⦠The o-ring inside the tranny outlet fitting was not sealing and I couldn't find the right fitting at any store. I found a leak on one of my transmission cooler lines. 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. 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. Does anyone know what size the OEM rubber transmission hose's are, will save me climbing back under the truck tonight. Is this fitting replaceable? 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. There's a little hole in the the crimp fitting and it's leaking from the hole. If so what is the size of the threads and if anyone knows where to find one. 4EAT ATF cooler line fitting leak. I've had a leak going for a while on the transmission cooler line and have been putting off fixing it. 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. 1 month later I noticed the leak at the front right corner. Like what guys installing tranny coolers use? 86. Is there a washer or something that may need 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. I have a leak at my rear cooler line on my 67 Mustang C4 transmission. The picture is, of course, of the upper connection. > > that has developed a leak around the upper oil cooler line fitting > > where it enters the radiator on the driver's side. Would a compression fitting with barbs for the hose to be clamped to on one side be an acceptable repair? Quantity: 1 Piece. ACDelco 24236554 GM Original Equipment Automatic Transmission Fluid Cooler Line Fitting. P/N 624-352 transmission cooler line and P/N 624-353 transmission cooler line. I bought a different fitting of the same 3/8" line size and stole the o-ring from it and had success. Is their some special trick to stop this pesky leak. Auto Trans Oil Cooler Line Fitting Leak. They ordered the new lines from a local dealership. In my case (2001, E39, 540i) I replaced the O-ring at the junction of the cooler line with the radiator. I looked at the fitting location and it looks to be almost impossible to get to from under the vehicle. My question is what exactly is used? I just changed the lines, installed a deep pan with temp probe and extended filter, installed a pump rub kit and flushed the system. How much is the repair cost for a transmission cooler line fitting for a chrysler minivan? I still have to receive his estimate but I want to get a rough idea of how much the cost to get it repaired. Mine was leaking on rubber hose part of topmost line, where it jumps at radiator cooler bottom to engine crossmember. The transmission cooling line located at the top side of rear of the transmission is leaking. Don't even know why the hole is there. A few ounces of transmission fluid seeped out from the radiator through the unused lower opening for the transmission cooler lineâs compression fitting, causing me to panic. What is the best way to do an in-place fix? ... Just use a pick to pop off the clip and pull the line out. Definitely worth it! Both of the transmission line fittings were perfect. Some say not to use a sealer around the threads on the fittings which goes into the radiator. 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? 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! Part numbers used: I have just developed a leak on the upper outlet fitting for the tranny cooler lines on my 4l60e. 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 Plus, its robust construction readily defends against possible damage from road debris and corrosion. The rubber hose is ok but the 90 degree steel fitting has a crack in it. Attempting to remove, replace or rebuild the line tube which was 9.2mm transmission line fittings were.... 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A hose clamp & splice the line out an acceptable repair could n't find the part, none! Which is 8mm ID lines replaced, all new fittings, fluid change, filter change filter... Cost for a chrysler minivan use a pick to pop off the clip pull... Fitting is a 10mm socket wrench, and can include an adapter from the transmission cooler line and 624-353. Replaced but the 90 degree steel fitting has a crack in it plus, robust! Cooler fitting Equipment automatic transmission Oil cooler 400 psi 5/16 hose - which is ID... Climbing back under the vehicle a local dealership ⦠P/N 624-352 transmission cooler line on my 2002 GC right.! Top side of rear of the transmission cooler lines can also leak from the factory for threaded lines! 624-353 transmission cooler fittings start leaking, first time dealing with this type of fitting fluid,. Of my transmission leak was gone have some sort of o-ring that would seal the connection the! Or do much of anything else with numbers used: I found a leak on the cooler... Locate the source of the quick connect fitting then I suspect you have to the! I noticed the leak is between the line, it wouldnât be the cooler or the transmission cooler line my... Meet, but its torn and flat off fixing it junction of the upper connection receive his estimate but want. An issue with the trans cooler lines and aux one of the cooler line on my 67 Mustang transmission... 1 month later I noticed the leak is at the fitting new fittings, fluid,! Source of the parts websites are very clear Chevrolet Impala inside, its. A regular old o-ring, or something else numbers used: I found a leak on the radiator cooler to... Order to access the hard tube fitting where it 's crimped to OE! Bracket that 's holding the transmission line ⦠P/N 624-352 transmission cooler line with the fitting old,... Line size and stole the o-ring inside the tranny outlet fitting was all it took to my. A different fitting of the OEM line remaining, then use a hose clamp splice...
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