Transmission cooler lines leaking at radiator


NEED HELP! in-radiator trans cooler to mine and you can see the fittings going into the radiator and the unions After examining the car, I also found that the radiator was smashed into the fan and beyond repair, the aux fan was smashed in and the right steel transmission fluid line got bent and was leaking right at the grommet attaching it to the oil pan. There's an ATF leak coming from the lower transmission cooler line. Finally, he pointed to the transmission lines at the bottom of the radiator and asked what they were for, after I explained that they contained transmission fluid, he asked if that could be the cause??? Anybody have any comments on the causes of oil in the cooling system, could it be from the transmission cooler leaking inside the radiator? I noticed a strawberry colored milky substance leaking out of my coolant resevoir. Parts like Transmission Cooler & Lines are shipped directly from authorized Mopar dealers and backed by the manufacturer's warranty. I've just discovered leaks at multiple fittings along the transmission cooler lines. Designed to repair leaking cooler line located at the radiator in most 2002-up FORD Explorer / Trucks with metric threads into the radiator. Transmission cooler lines are corroded and leaking fluid all around the front passenger side wheel well. There is not much clearance where the lines wrap around right side of the radiator and head up to the cooler. when th car runs and the line is under pressure everything is fine but when the cars off and On my dodge caravan I have leaking transmission fluid just below the radiator. Trying to turn the 28 mm nut resulted in all the radiator fluid draining out. 7lt - Answered by a verified Dodge Mechanic Hi there. It may be leaking into the other part of the radiator and mixing with coolant there. The transmission fluid cooler can be further checked for leaks by disconnecting the lines from the cooler fittings and applying no more than 345 kPa (50 psi) air pressure to the fittings. the lines attach to the radiator with fittings make sure the new lines have the o rings on them no need to use Teflon tape as the threads do not seal only the o ring does. I just had my '99 Sub's radiator replaced under a parts warranty a few weeks ago. I was lucky to have enough hose and tools to bypass the oil cooler and get to my destination / home. It is possible that when the dealer fixed the front engine mount last time they actually damaged I have just purchased an external transmission oil cooler for the roadster pickup, and the recomendation is that it be hooked in series with the cooling loop in the bottom of the radiator, downstream from the radiator, which would be in the return line leading into the turbo 350. This time it was transmission cooler line on radiator leaking. When replacing the transmission coolant line or reattaching it make sure that you attach it right. OK I'm fed up with this dang transmission cooler line. com offers the lowest prices for genuine 2013 Dodge Durango parts. This kit comes complete with everything needed to get the job done right the first time. I replaced the radiator in my 97 GMC Sierra yesterday and after a short test drive I see a lot of transmission fluid all over the place under the upper fitting. Analysis of the failure: • The radiator is a top to bottom coolant flow. Kit Contents: Transmission Lines. The metal transmission cooler line connects to the radiator with a set of flare fittings. I was not aware of this problem with the radiator/transmission lines. Unscrewing them could be tricky especially ones on radiator The original automatic transmission cooler pipe is terrible. I decided to take the radiator oil cooler out of the circuit and just use the big oil cooler that's used for the towing package. Step 1 Locate the area of the transmission line where fluid is leaking. The automatic transmission fluid flow is side to side inside the transmission cooler which is inside of the bottom tank of the radiator, immersed in coolant. At least if the dealer screwed up there wouldn't be issues/delays with a return, but of course, a premium was paid. Application - 1983-1995 Mustang 1999-2003 jeep grand cherokee 4. the cooler inside the radiator can have a hole in it and the oil could be going into the anti-freeze. . The part itself is relatively inexpensive, but it does require removal of that lower radiator hose to gain access. Re: Trans cooler line leak Dec 26 2011, 10:40pm It's slow enough to were you can't see it drip but if I drive for a little while there is a drip or two on the skid plate. I replaced the radiator in my Dodge Dakota and now I'm leaking transmission fluid from my cooling lines, what do I need - Answered by a verified Dodge Mechanic I was under my truck this weekend to fix a power steering line leak and noticed the transmission cooler line was wet, its not dripping fluid or anything its just wet and its definitely coming from that line. I just picked up a 91 LX 5. 7L. 29. Ford might still have them available to order. I recently had to replace the radiator on my 06. I don’t recall if this model has a separate cooler or an internal radiator cooler or not, you will have to ask someone who can look and see for me. This kit runs close to $300 looks like lines easy to route but have to put new fittings on cooler radiator and trans. Truck transmission repair is not an effortless task. Locate the transmission cooler hard lines that run into the radiator and inspect them for leaks. cut and flare lines and use rubber hoses with hose clamp. The factory radiator had one fitting that was threaded onto the cooler line with female thread and a second that appeared to be soldered in place. Re: Major Auto Transmission Fluid Leak Under Radiator Yes - all auto transmissions have a fluid cooler in or near the rad. Looks like 2 bolts that hold the OEM trany cooler to the radiator, and 2 screws that hold Thanks to the OP for bringing this issue up. It is common for these to either come loose or to become warped and start leaking. how much for the lines 1998 1500 3. Your leakage may be at the quick connect seal between the line and the connector on the radiator (rather than between the connector and the radiator). if the anti-freeze is leaking into the One of the transmission cooler line is leaking, in particular, the one that goes on the top of the radiator. pontiac forum at Car Dealer Forums; Hi!I have a 1999 pontiac grand am SE, 3. There is no coolant lines that go into the transmission. It is very common to see leaks at this connection. 6L Duramax LBZ and LMM. Correct me if I'm wrong, but coolant should not come out of the transmission cooler line If the lower one is leaking it's a real pita, unless the rad and fan assembly is out of the car. It replaces the fittings that are located at the bottom of the radiator where the transmission cooler lines connect to the radiator. The transmission oil line, at the fitting, now has a slight leak. So you are sure its an oil cooler and not a transmission cooler - follow the lines. 1983-1995 Mustang Cooler Line Connector Repair your Mustang’s leaking transmission cooler lines with the following connectors and repair kits. Get threerubber lines and new connectors from Alligator. If it is the transmission cooler line leaking, simply replace the line from the radiator to the transmission with 1/2 inch transmission line and Hi there. If it's leaking at the radiator, then you are looking at replacing the radiator. I had to replace the OEM radiator with a radiator from a local  11 Jul 2019 The oil cooler is an essential component of any vehicle may it be a sedan, The oil can either leak near the transmission outlet, near the radiator joint or at The hose used for oil transfer is usually very rigid and tough, which  My trans cooler lines were leaking slightly the rubber hose to metal line replaced the whole fitting #8. autos. these oem factory new transmission cooler lines on radiator are a direct fit for listed vehicles. It is just a bad design, I don't like the crimps. I don't know if it is possible to just replace the section that is corroded/leaking but it was fairly easy to cut the line with a pipe cutter. Got it all mocked up, and mounted to satisfaction, ran the new lines down through the hole in the passenger side like many other people have done. Honda does not usually attach power steering lines to the radiator, but the transmission cooler lines are attached to the bottom of the radiator. Parts like Transmission Oil Cooler & Lines are shipped directly from authorized Mopar dealers and backed by the manufacturer's warranty. Fix your leaking transmission fluid lines These are a big improvement over OEM, install these to eliminate transmission fluid cooler line leak at the radiator. When installing coolers, make sure lines are clear of anything that can rub them. While replacing those look at the oil filter adapter thats probably leaking as well . 0 vert with an AOD and the transmission cooler lines are leaking by the radiator. The passenger side of the radiator is the transmission cooler side and the coolant is leaking from the transmission lines. We used something like this: I have a crack, or nick, in my rubber transmission cooler hose back by the transmission. It is made like a A/C line. 7lt - Answered by a verified Dodge Mechanic Is it the power steering hose or a transmission line. Usually, these hoses will have “O Again I took the car in for a leak. I did not have enough clearance. It will be the responsibility of the purchasing adult as to the disposition of all products purchased from chp will adhere to the guidelines of hr. I end up unscrewing it from the radiator and coolant came out. In most cases, the radiator cools the automatic transmission fluid. 3L max tow, 82000km (about 51k miles). There should be two lines, one on top which is the inlet and the bottom one which is the return line. I have a new radiator, checked the cooler lines for blockage, added a new extra high performance transmission cooler and ran the cooler lines thru both the radiator and extra external cooler to make sure the fluid was cooling properly. 10 Nov 2017 Introduction. This will be very noticeable, especially if the transmission, transmission fluid lines, and transmission cooler are cleaned prior to inspection. At the time I was leaking fluid I was unsure really to what exactly was leaking. 3 later years had one but went to the radiator drivers side tank assembly) then you can unbolt the aftermarket adapter at the block where the lines come off and see whats left - call the dealer and ask parts what they show - in fact with your VIN # call the dealer first I just replaced my radiator, which went fine, except that the transmission cooler lines are leaking where they connect to the radiator. I recently purchased a 1997 4door with 4wd and 5-speed manual at roughly 120,000 miles. The crimp at the barb is not serviceable and there are no 'O' rings at that point. the radiator ASAP or face a 3k That is where the Mustang transmission cooler lines come into play! Ford Mustang transmission cooler lines are those sturdy, metal lines that connect your muscle car’s transmission to the radiator. If it is the line, it looks like you can just replace that short piece from the radiator to the longer line. You will need to replace the hose that is leaking. Transmission Oil Cooler Lines. The radiator has a transmission cooler built in and it is separated with a wall of aluminum - the coolant and trans sides should never mix. Sometimes these lines start to leak right at that flare nut. If that's the case then a new radiator is the only way to fix the leak unless you can find a radiator repair shop that can press the old ends back onto the repaired core. If the radiator hasn't been replaced recently then check  Tubes in the radiator are submerged in engine coolant and as a Locate the area of the transmission line where fluid is leaking. I figured if i just cut the fittings off and used 3/8 fuel line, would i be ok. The cooler is a coiled line inside of the side tank. Transmission cooling lines leaking can affect the performance of the entire transmission system. MoparPartsGiant. After a week, it started leaking transmission fluid from the trans cooler lines where they connect into the radiator. If the line is leaking, you need from the transmission side, you need to replace the cooler line set. After much torquing, the line linked and the hex nut was then immediately locked on . Looks like you would need to replace the entire lines from the cooler back to the transmission. Noticed some leaking around the crimp on the lines from the transmission to the radiator. Line of the radiator and transmission was a little tricky to get it in but it fit just right . Any tricks you guys have to assist will be greatly appreciated. If that line was leaking you'd have trans fluid in the coolant. Hello everyone Hope all is well. I got everything torn apart, reinstalled, and when I started him up my lower line was leaking. Hello everyone hope all is wellhas anyone done transmission cooler lines on a 2007 chevy silverado 1500 classic. Some sites showed the lower line with the upper line part number. I think you need a special tool to unlock the tube from the fitting. 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 1983-1995 Mustang Cooler Line Connector Repair your Mustang’s leaking transmission cooler lines with the following connectors and repair kits. Leave a Reply: Recent Posts. there are 'O' rings at those points but very rarely leak unless mishandled at some point. Everything was OK for about 2 weeks, then noticed transmission fluid on garage floor. One of the most common times to get a transmission coolant leak at the radiator is when you just replaced the radiator. IMPORTANT: This procedure is warrantable only if the quick-connect fittings that attach the transmission cooler lines to the radiator are leaking fluid, and the repair is performed within the applicable base or extended coverage warranty period. The new radiator had two male fittings-I went to a radiator shop and was given a female fitting with brass nipple identical to the other existing fitting. If you have leaks where the lines go into these fittings, this part will fit and work. The coolant in the radiator has a separate reservoir than the ATF so they don't actually mix. I put 4 gallons of ATF through it this way. This o-ring is either left out, lost or damaged causing the cooler line to leak even though it's tight. It is an aluminum elbow-shaped tube that feeds into a rubber tube that in turn, goes to the trans cooler. When I saw the fluid stop coming out the cooler lines I shut it off and refilled it again. I'm guessing this would be a dealer only replacement item. After that, place a drip pan under the transmission. I have developed a transmission leak where the upper transmission hose goes into the radiator. 5 Disconnect the transmission cooler lines at the radiator and drain the fluid into a drain pan. The only way we were able to fix it was installing an external oil cooler and by passing the original pipe. On yours it is a seperate small rad at the bottom between the main rad and the AC condenser. How does one go about getting a pro just replaced radiator I put the bottom oil pipe on before I fit the new radiator and I thought it was good but now when car is started it starts leaking from the back of the transmission pipe connector where the oil pipe goes through the nut not leaking at all from the other 3 connectors should I just take radiator out and re fit the pipe? the pipe was easy to take off from old radiator and It really depends on a few things, and whether the radiator has been replaced recently. 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. Do these lines carry coolant back to the transmission, or oil to the cooler in front? I need to know if I should buy coolant or CVT fluid to replace what will will be lost. I could replace them for $80 but I'd like a more permanent fix. Im going to go on a limb and assume its a transmission cooler line? And if so is it ACDelco 25999419 Transmission Fluid Cooler Pipe Assembly? if so do i need to flush the radiator since both the tranny coolant lines are running to the radiator or is this a seperate system where all i am dealing with is the tranny fluid leaking out once i take those lines off the radiator? any help would be appreciated i need to start cracking on this asap i am mooching rides to get to work Trans fluid leaking from trans cooler lines by radiator. Have you ever encountered a case like the transmission cooler lines leaking at the radiator? What are the symptoms of such  3 Feb 2018 It really depends on a few things, and whether the radiator has been replaced recently. the origination of leak and repair Could be transmission cooler line 2014 Silverado 1500, 5. Pull the line out with a little twisting and pulling. Repair Fitting for 1/2" Transmission Line. I cut the aluminum/ steel transmission cooler line , removed the radiator and was then able to forcibly back off the connection. If the transmission cooler lines are leaking, the leak will originate at the cooler, a connector, or a soft line. Transmission Cooler Lines Leaking. when th car runs and the line is under pressure everything is fine but when the cars off and Tranny Cooler Line Leaking at Radiator I'm putting a new radiator in my truck because my old one was cracked and leaking coolant. Probably the cooler, a couple months ago I put a radiator & tranny cooler in a '03 Neon with 70k, it was leaking like mad and Some vehicles have an external transmission cooler separate from the radiator, and some coolers are part of the radiator itself. The lines from these ports go to either the bottom of the radiator or to the aux cooler. If you simply notice that a line is leaking, that can be a simple fix depending on the location of the leak and line just replaced radiator I put the bottom oil pipe on before I fit the new radiator and I thought it was good but now when car is started it starts leaking from the back of the transmission pipe connector where the oil pipe goes through the nut not leaking at all from the other 3 connectors should I just take radiator out and re fit the pipe? the pipe was easy to take off from old radiator and When I was under my car doing other work with the front panels removed, I noticed the transmission cooler lines were leaking around the metal barbs. Bypassing the radiator is the way we prefer a cooler be set up. stupid me, forgot to make a note of which line from tranny goes to radiator. When it comes to cooling the coolant or radiator fluid, the radiator of your engine plays an integral role. This and the fact that the thermostat did not have its anchor bolt to the radiator frame let the tube and radiator rub. Re: Input and Return Lines from Transmission to Radiator Post by Topaz2 » Mon Mar 27, 2017 1:12 am I think it should be the same with the radiator and your new cooler. You can check to see if the connections are loose and tighten them up until they are snug. 3. I believe it is a transmission coolant line, located in front of the lower half of the radiator. The best part is, our Ford Ranger Transmission Oil Cooler Line products start from as little as $21. GM Duramax trucks have a history of leaking trans cooler lines, this is the 3rd  When transmission fluid becomes too hot, the cooler lines lower the temperature. Usually, these hoses will run from the cooler to the transmission, where they will screw in. If the lower one is leaking it's a real pita, unless the rad and fan assembly is out of the car. These heavy-duty, high-flow, flexible transmission lines are just what you need for trouble-free performance from your Allison Transmission. Use liquid teflon sealant on this fitting and screw it back in and then a little on the fitting where the line screw onto it. 2014 Silverado 1500, 5. 1999 Chevrolet S-10 transmission cooler line is leaking. Chevy Transmission Cooling Lines, Turbo Hydra-Matic 700R4, Small Block, With Radiator In V8 Position 2000 malibu I changed the radiator recently and the transmission cooler lines have a slow leak at the flare fitting on the radiator. Be sure to check all parts of the Plumb the transmission oiled lines into the transmission cooler of the radiator FIRST, then route the cooling line into the external transmission cooler SECOND. My buddy Ryan King had never ending issues with his transmission leaking. Most vehicles that I am familiar with have at least a rubber section to the transmission cooler lines because the transmission is mounted on rubber mounts and can move relative to the frame of the vehicle, where the radiator moves less with the frame as its rubber mounts are much smaller. Make sure its not the cooler itself or something else dripping onto the line. However, this created a new problem as I cracked a hole in the metal line that runs from the cooler and meets the rubber hoses underneath the car. Replaced transmission oil cooler lines today (2001 ram 2500). I can tell you that the line that attaches to the left side of the radiator is the return line. Re: New transmission lines leak at new radiator. The reason of this route is the stock trans cooler in the radiator cools it down first. You will also protect the parts of your car that could be damaged by leaking  Results 1 - 24 of 102 The automatic transmission oil cooler line connector provides a link between the oil cooler line and the transmission oil cooler. I took it back, they tightened the lines, and everything was okay. Symptoms of a Bad or Failing Oil Cooler Hose (Automatic Transmission) to replace your oil cooler line is oil leaking around the fittings of the hose. Im afraid that i might get some air into the lines and mess my transmission up Transmission oil cooler lines are typically routed along the passenger side of the vehicle under the hood. There are two types of transmission coolers, the type found inside the radiator or the kind that is external to the radiator that usually sits in front of the AC condenser. When you tighten up the lines, make absolute sure that your hard lines DO NOT rub anywhere!! I was 200 miles from home on the highway when one of the hard lines coming from the radiator rubbed itself through on the power steering hard line. Learn the roles of the transmission cooler lines, the symptoms of leaking, and the cost of replacing them. I'd prefer to do a permanent fix and not just replace the lines with OEM parts that will just leak again in the future. these oem factory new transmission cooler lines set of 2 on radiator are a direct fit for the following. I looked carefully at all the washers on all 4 banjo bolts that secure both oil cooler linesno detectable leaks there. I. Au to Trans ATF level is fine. If you look at the center of the front bumper opening that is your transmission cooler. The little fitting on the bottom of the radiator which the transmission cooler hose connects to has broken off. 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 brass fitting came out of the radiator still mated with its brass fitting seat component . That is the bottom line with oil on it feeding into the radiator on the passenger side. If the line is leaking from the radiator side, you need to replace the radiator. transmission to lose fluid. I tightened it up with a bit more torque (used a flare nut wrench), it helped at stopping the leak at idle, but after a test drive I noticed it still leaking. 6L, 8 Cyl 5. 2005 Chevy Impala Leak From Transmission Cooler Line Not a lot of info but it says something like $100 and that if you let the transmission fluid get too low, it could damage the transmission internally. and you can add an aux trans cooler, bypass the radiator and buy brass fittings to plug the lines so you have no leakage of coolant out the unused trans heat exchanger in the radiator. Anyone know if there is a gasket seal in the transmission cooler line on the radiator cooler side not the transmission side. The problem is where the transmission cooler lines attach to the radiator there is an e-clip that holds the flared line into a pressure fitting and a plastic gromet that is suppose to snap over the e-clip and I can't get the gromet to snap back over it. I noticed a small oil leak coming from my truck. hot transmission fluid blowing out and getting on a really hot exhaust manifold will cause instant fires. It keeps the engine functioning at the right temperature. Putting a flare on the end of the lines will surely help the seal, but not 100% needed. Transmission cooler lines So I replaced the transmission lines that were leaking on my Ciera. 1. No more leaks from that location on the 2000+ mile round trip. I plan to replace both cooler lines, so here are my questions: 1) Anyone used the following parts? If so, what is your feedback? Dorman 624-366 Right Inlet Transmission Line and Dorman 624-367 Left Stuck Trans Cooler Lines I trying to remove the same transmission lines to replace my leaking radiator. I didn't see an o-ring in the old radiator and I don't recall seeing any fall. The lines never seal very good. It almost has to be coming from outside of the radiator. Installing the bolt would have put even more stress on the tube to rad contact point. Transmission leaks can come from several places: Leaking gaskets or seals (including transmission fluid pan) Transmission cooler or cooling line leaks; A hole or puncture in your transmission casing; If you develop a leak in any of these locations, you need to act quickly – time is not on your side. This is because the hoses may not have gotten connected correctly. Specially designed to work in tight places, and so simple to operate you can do it with just one hand. The cooler in the radiator must not be leaking, if coolant is not coming out of the fittings in the bottom of the radiator. Transmission Cooler Lines Leaking At Radiator. If the side tank was leaking you'd have a coolant leak. When it leaks, coolant mixes with the transmission fluid, making the transmission fluid on the dipstick look like a strawberry milkshake. they are the lines with the clips in them, at the transmission it actually looks like transmission would have to be lowered to gain access where they go in tranny. Also, vehicles with automatic transmissions have a transmission cooler inside the radiator that can leak. They used to be inverted flare, and I'm probably wrong, and still are. What Is The Average unless there are hard parts damaged, figure the low end. The other 3 lines came off easily. Just another way to save some more money. I looked underneath, and noticed that it was leaking oil from the front of the engine, and the transmission cooler lines were leaking. It leaks at about a drop or two a day when sitting. There is an upper and a lower port on the transmission itself. I'd find out which is leaking and pull it off, if it's an O-ring fitting they probably just snagged and cut the ring, will be simple to fix. Always use line that is approved for transmission/hydraulic fluid. Engine: 6 Cyl 3. The frame is soaked with transmission fluid and this is a potential fire hazard if the fluid leaks onto the exhaust or catalytic converter. I have seen where a fellow cut the hard line right before the crimp, took a flaring tool, flared the two ends. At least one CF member had coolant contaminate his transmission fluid. The oil can either leak near the transmission outlet, near the radiator joint or at the back-end of the transmission. I wouldn't worry about it unless it's leaking or the transmission is acting abnormally. These are designed to repair or replace the factory 5/16" quick connectors found on AOD cooler lines where they attach at the radiator and transmission. Parts fit for the following vehicle options. Removing the cooler lines from the transmission. Some people bypass the coolers in the rad and just run the aux cooler straight to the gearbox. If the radiator hasn’t been replaced recently then check for tightness of the line fittings near the radiator. We're not entirely sure how they even held together, but one thing was beyond a doubt: they wouldn't fit with headers in It is automatic transmission fluid, leaking from the transmission cooler line. I will be making this mod soon since I bought my Armada to tow a travel trailer. our cars have a transmission, not a transaxle, and it's a 4L60E, not a 4T60E, but the meaning was clear Hey guys, I'm working on the Grand Cherokee ZJ's radiator. My lines are also leaking, looks to be where the steel line attaches to the rubber part of it. The GM oil/transmission cooler lines are prone to leakage after a few years. Anyone have any idea if this is so? The transmission coolant is another essential liquid that removes the excess heat from the transmission fluid. Can someone confirm this? How difficult is it to replace? The image is looking through the grill at the lower driver's side. Radiator of Manual Transmission Leaking This is my first manual transmission car that I have owned and it seems to be leaking from the radiator at the bottom. I just replaced my radiator which had cracks in the end tank. On my dodge caravan I have leaking transmission fluid just below the radiator. Both problems require professional help. if its leaking from the hose, replace that stupid spring clamp with a regular hose clamp. - What is your experience: O-ring vs your lines can,t leak into the radiator. Its a Dorman Transmission Dip Stick Tool. Rob Leaking coolant from one of the transmission lines? Help! So I was making my way to get my B&M 70264 transmission cooler put in. get three replacement lines 3. The radiator is hot at around 200*’s. If the hose is leaking, just replace the hose and clamp. our cars have a transmission, not a transaxle, and it's a 4L60E, not a 4T60E, but the meaning was clear I noticed a leak with is coming from the Trans Cooler line that runs under the lower front of the radiator. You will lose a small amount of transmission fluid but this is an easy and quick job. After inserting into the quick connect fitting, a quarter turn of the tool quickly and easily releases the fitting on the transmission end of the transmission-to-radiator oil cooler line. I believe you have a transmission fluid cooler that is part of the bottom of the radiator. I am not sure if it has came loose or if it may have a pinhole in it somewhere. You should not loose anything out of the transmission itself. The transmission will generally run cooler this way Once the transmission cooled, lift the car with a floor jack and place jack stands under the vehicle's frame. I went out and looked at my 07 and it does seem that the cooler lines dissappear into a space between the evaporator and the radiator,so the cooler just might be inside the radiator. If that doesn't work you may have to replace the fitting and have a flare done to the line. If you have a transmission leak, you may experience transmission slippage or incorrectly timed shifts. pull the hose off and see if fluid runs out. Question = Oil cooler lines leaking at fittings. Transmission fluid is red when new, so if you find red-colored fluid leaking around transmission line connections, this is most likely your problem. Do not unscrew the big nut on the radiator, that is the part that holds the cooler in place. You can do a q&d "patch" by adding a transmission fluid additive that is meant to stop leaks by increasing the viscosity slightly (try Lucas Transmission Fix). Why did I suspect this A thorough inspection of the car had shown that the seller's wife had smacked the front of the car into a few parking blocks one too many times, and had damaged the underside of the car, right behind the radiator. I cleaned up all the oil that was on it and checked the fitting. The next few articles will cover the different types of “Quick Connects” used by original equipment manufacturers to attach transmission and engine oil cooler lines to the heat exchangers in the power train cooling system. As was said, do not drive it like this. Chevy transmission cooler lines diagram. If an oil cooler and not a factory one (4. I assume these are the rusted lines of which they are speaking. Naturally, I just bought tools to do a transmission flush. No ATF on the garage floor whatsoever. There are several places that the cooler line could have failed. I asked to look at it, lines lead from radiator area back to transmission, small leak. Thread Size 18mm x 1. Look at this thread in the Knowledge Base To see the fill procedure. Ford 6R80 Transmission Cooler The Fleece FPE-TL-LBZ-LMM Allison Transmission Cooler Lines fix the old leaky transmission lines in your 2006-2010 GM 6. But then in mid-January, 2009 I began seeing fresh spots of transmission fluid on the garage floor. Automatic transmissions in certain 2005-2010 Nissan SUVs and Trucks are under attack from their radiators. They said I would have to have the "front end" of the van taken out, including (I thought he said) the radiator, AC condenser, and tranny cooler. To stop leaks on those fittings the best fix is a thin o-ring that is only slightly smaller than the nut on the line. Just follow the lines from the transmission to the transmission cooler and look for leaks or any breaks. Seems like a new radiator & Tranny cooler would be much more affordable than a ruined tranny. It's almost impossible. Has anyone done transmission cooler lines on a 2007 chevy silverado 1500 classic? I purchased new lines they go to radiatorfrom transmission. My question is: Would your stop leak product have been any good to help seal these lines. 0l. Upon inspection, it appears there is small crack in the tube that I'm guessing connects the trans to the cooler. 2. Sometimes transmission coolers are part of the same assembly as the radiator or somehow linked to the engine's cooling system. Discuss replacing transmission oil cooler lines in the alt. 4L V6 that is leaking trans Buy a 2002 Ford F150 Auto Trans Oil Cooler Hose Assembly at discount prices. THis sounds like the fitting that is in the radiator is leaking. Ford 4R7xx Transmission Cooler Lines; Figure 3. The only non-ghetto solution is a new radiator. Check your fluid level and monitor how much its leaking. Again I took the car in for a leak. it threads into the radiator then the line  13 Dec 2017 Leaking coolant is mixing with transmission fluid through the cooler lines to into the five-speed automatic transmission through the cooler lines. Some Comments Regarding Removing Transmission Oil Lines. If necessary, place newspaper under the lines and start the car. I suppose you could remove and send to a hydraulic hose repair facility, but the cost savings would be minimal. I have just slipped the rubber trans cooler hose on cut off and deburred steel line, put a clamp on each side and went. Part number is 164-500-50-72. You may also see black smoke from under the hood or exhaust should the oil land on hot parts of the engine or get into the engine. Hi Eric, I have a 2006 Chevy Uplander with 82,000 miles on it. Please select your proper model year designation, as well as if you currently have an aftermarket radiator . I've tried to loosen and retighten to get the torque right but have had no success. Good chance it's the transmission fluid. My van just developed a leak in the past week or so. com! Find the new, used, and rebuilt Case dozer parts your looking for today. if your leaking coolant from that fitting, its time to change your radiator. A transmission cooler is a kind of small radiator that is filled with hot Automatic Transmission Fluid (ATF) that is pumped from the automatic transmission to the front of the vehicle for cooling. There is a metal wire clip that keeps the line from pulling out of the fitting. One of the transmission lines had been damaged, and was leaking a slow, but steady drip of transmission oil. That would mean a new radiator. 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. Any idea how to repair this or is a new radiator in order? Original rad - dealer changed clamps to worm gear style but did not see crack. either the transmission oil line to radiater is not tightene or the oil cooler tank at bottom of radiator has a leak . Sometimes cross-threading or not properly tightening the lines  19 Jan 2019 My transmission cooler lines are leaking fluid where they plug into the radiator. In any case, the line(s) need to be repaired or replaced since the transmission needs those lines to keep the transmission from over heating. Dripping transmission fluid pretty quick. The cooler lines are on the passenger side of the transmission on most vehicles; both lines are made of brass. Ok first of all I noticed the leak under the radiator and took it to a mechanic. I torqued them down pretty tight. The fluid is running down the line and dripping on the ground under the passenger side of the truck. The transmission cooler has nothing to do with the A/C . The heat that comes out of the transmission will end up in the same place whether you have it go thru the radiator, or thru a cooler in front of the radiator, or both. I wanted to scrap the car and find another but my wife would sooner part with me than with her baby. com offers the lowest prices for genuine 2010 Jeep Patriot parts. Took a look and oil filter and oil plug are all dry. That failure typically involves a new radiator so $300 would not come close to covering that type of failure. You want to use rubber transmission cooler hose. Find our best fitting transmission cooler line assemblies for your vehicle and enjoy free next day delivery or same day pickup at a store near you! The GM oil/transmission cooler lines are prone to leakage after a few years. Use the procedure in this bulletin to inspect and repair the connections. The car currently has barbs screwed into the radiator with rubber lines (about a foot long) that connect to hard lines. The two hoses from the cooler go through a gap on the passenger side,around the radiator and connect to the transmission lines that go to the rad from the transmission. I went to a jaguar dealer for a tire rotation and was told that my transmission cooler lines are leaking. The anti-freeze coolant is circulated around the outside of a small transmission cooler that is installed in the radiator tank. I hooked While working on some other projects (installing headers and a torque converter), we made a painful discovery: One of the custom touches left behind by a previous owner was a lovely hack-job set of transmission cooler lines. The Fleece FPE-TL-LBZ-LMM Allison Transmission Cooler Lines fix the old leaky transmission lines in your 2006-2010 GM 6. In October 2010, Nissan extended their radiator assembly warranty from 3  15 May 2018 While none of us want to suffer from a radiator leak (they suck, trust us, Some leaks in your radiator and cooling lines can be hard to access. Just make sure to replace the fluid every so often. If you look between the radiator and the transmission, you will see two rubber hoses coming from the radiator connected to metal lines. Fix your leaking transmission lines with these heavy duty, high flow, flexible transmission lines. A week ago my transmission cooler lines broke and I did not notice this till I was about 20 miles from the house and luckily the Toyota dealership was within a walking distance. This leak can happen in many numbers of places. Leaking coolant is mixing with transmission fluid through the cooler lines to create a toxic hell stew that irreversibly damages everything around it. Most threaded transmission cooler fittings have a O-ring down inside of them. 6L Duramax LBZ & LMM. Although oem radiators are notorious for leaking internally. if you have a line leaking then it will leak on the ground. If necessary, place  29 Aug 2019 Depending on the transmission cooling system routing, it is not too uncommon to get a transmission cooler line leak at the radiator if the lines  12 Nov 2016 Hi there. Is it the power steering hose or a transmission line. Get the job done with the right part, at the right price. Those engine cooler lines always leak. When it comes to your Ford Ranger, you want parts and products from only trusted brands. The ATF goes into the bottom portion of the radiator to help cool down the transmission fluid via the radiator. Also, see repair breakdown by problem area and cost. I ended up cutting out a section of the line to insert the cooler. The lines that connect it are leaking around the crimp fittings. Unless you have flaring tool kit forget about DIY. i have a transmission cooler attached to my transmission. and as far as running the 2 lines together "bypassing" the cooler, will cause Fix your leaking transmission lines with these heavy duty, high flow, flexible transmission lines. They said there was a transmission fluid leak in the area of the AC condenser, where the transmission lines share the same space. The lines have been puttied with some kind of JB weld I think it is still. I'm leaking transmission fluid when I start the truck. I damaged the tube and fitting on the transmission line. Click Here to Leave a Comment Below 0 comments . If you can fix the loose or leaking trans line you can buy a dip stick at Local Parts store . Line leaks are caused by pin holes from rust. I have a 2011 Tahoe LT 4WD. I have a 2004 Jaguar XJ8, 55,000 miles. Its not a severe leak, more like a few drips once in a while on the driveway. sounds like a leak in your transmission cooler lines Diagnosis: Failure of transmission cooler inside of radiator. Advance Auto Parts has 6 different Transmission Oil Cooler Line for your vehicle, ready for shipping or in-store pick up. Application - 1983-1995 Mustang Most vehicles that I am familiar with have at least a rubber section to the transmission cooler lines because the transmission is mounted on rubber mounts and can move relative to the frame of the vehicle, where the radiator moves less with the frame as its rubber mounts are much smaller. Transmission Oil Cooler line (lower) part # I had to replace this earlier this year and ended up buying if from my MB dealer ($$). It seems to have a large puddle of fluid leaked just under the middle of the radiator and also smaller puddles on the right and the left side under the radiator. Repair: Tow car to home, remove and replace radiator. Figure 2. Ryan Harvey . I have very very very slight amount of oil on Trans Cooler Lines, just a verytiny hint of wetness. Radiator seemed OK, was not leaking anything, so I used a plastic welder to weld and fabricate new upper plastic tabs that secure the radiator to the cross member and the main fan shroud. What would cause this? If transmission fluid is present in the coolant, the transmission fluid cooler (7A095) in the radiator is probably leaking. Choose top quality brands Dorman, Sunsong. I recently noticed the transmission cooler lines were leaking. See real-world Chevrolet TrailBlazer transmission problems and repair histories as reported by other Chevrolet TrailBlazer owners. Do I need to replace oil lines or is there another fix. He said it was leaking from the quick disconnect on the lower line on the radiator, and it would need a new line to fix it. I'm not very good at repairing cars myself, so it took the Thunderbird to the shop to have it replaced. There is an Oil Leak. The brackets and cooler sit behind the bumper,infront of the A/C condensor. it might be sucking the fluid up into the intake and burning it. That would mean just new lines…or a repair piece installed. The oil cooler hoses are made of both rubber and metal. But the line could be leaking and the fluid migrating to that fitting. These lines will need replaced before the transmission fails. Transmission Cooler Leak. I also dropped the valve body and replaced the solenoid pack to get rid of an obd 2 code. m afraid I'm going to damage the line trying to remove it because it is stuck. Transmission cooler lines? my truck and noticed that it was leaking. The transmission cooling lines are very tricky on a Mitsubishi Eclipse. Again, I took it to the dealer who told me that I needed to replace the transmission and the radiator. I recently had a leak in my radiator. It looks like my top transmission line is leaking, that goes to the cooler in front of the radiator. MW: Replacement of the hose assemblies is required. Here's what actually came out on the bill. Your other option - Could cost as much or more - Would be to buy an external transmission oil cooler that would eliminate the radiator part of the trans cooler. It is a rubber and metal line built together or at factory it might be pressure or transmission cooler line not sure. Fuel line will not work and will break down in transmission fluid. In our first two tech tip articles we reviewed radiator cap functions and application considerations. But where it leaks I believe is from the bottom plug where the automatic transmission coolant lines would plug into. If it is the transmission cooler line leaking, simply replace the line from the radiator to the transmission with 1/2 inch transmission line and Transmission Oil Cooler line (lower) part # I had to replace this earlier this year and ended up buying if from my MB dealer ($$). check the transmission vacuum modulator. Do not over tighten either with or without an o-ring and antiseize on the threads will help get thrm actually tight without ruining them. Leaking fluid will be red. On my most recent oil change when I was do my typcial rounds of maintenance checks, I noticed that I had a leak where the transmission lines run into the cooler on the driver's side of the oil cooler at the top of the radiator. The leak is coming from the rubber high pressure line at the crimp. Transmission cooler lines leaking at the radiator puts car owners in a distressing situation. After 30 seconds, turn the car off and look for leak traces of red transmission fluid on the paper and the steel lines. 6 x 7/8"-14 O-ring to -10AN fittings Shop our wide variety of Case dozer parts available online at BrokenTractor. 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. Turns out, that my worst nightmare came true and the transmission cooler failed allowing transmission fluid and radiator fluid to mix. Transmission cooling line leaking at radiator after rad replacement. I disconnected the trans cooler lines from the radiator, put them in a 5 gallon bucket, drained the transmission pan, refilled the trans, and started it. At the radiator it looks pretty straight forward, just remove the clip with a pick and pull the hose out. IF YOU HAVE AN OEM REPLACEMENT OR AFTERMARKET RADIATOR YOU WILL NEED THE SETRAB FITTINGS. One of the first signs you will notice before your oil cooler stops working is leaking oil. When a line leaks, there will be transmission fluid on the ground near where the leak is coming from. Those lines are ATF lines. Find Automatic Transmission Cooler Lines and get Free Shipping on Orders Over $99 at Summit Racing! Transmission to Radiator (Upper) (28) Auxiliary Cooler Inlet Trans fluid leaking from trans cooler lines by radiator. It is possible that when the dealer fixed the front engine mount last time they actually damaged there is at idle between 20-50 psi but during use pressures in transmission lines can reach 100 psi or more. Is there an oil cooler on a 2000 M and if so are there two high pressure lines, on the passenger side of the radiator, one goes into the bottom and one into the top of the radiator, Are these oil cooler lines or transmission cooler lines. The transmission is a high pressure unit. Confirm their suspicions: follow the transmission line and see where its leaking - see if its at a connector or if there might be a hole in the line somewhere. I know its not serious now but I would like to fix it before it gets serious. Transmission Fluid Leak One of the most obvious transmission cooler failure or blown transmission line symptoms is a leak. on the engine side the lines snap into couplers i would replace these couplers as then tend to leak I have a 2011 Tahoe LT 4WD. So, for those of you with leak at Trans Cooler Lines (Radiator side): - I am thinking about changing only the O-ring and not the hoses. This is  First start up, I checked for any leaks and sure enough, both transmission coolant lines leading into the radiator started squirting out  Discovery II - Transmission Cooling line questions - Hey Guys, just finished up I noticed the tranny cooler line on the drivers side is leaking (leaking in the Hey Guys, just finished up replacing my radiator and after getting . if you are going to use rubber lines be sure to use barbed fittings so the hose does not blow off. 2 Answers. Its definitely not going to the dealership as they quoted me ~ 1000 CAD to make the repairthey want to replace the entire lines front to back, etc, et My lines are also leaking, looks to be where the steel line attaches to the rubber part of it. Me with my OCD, I would look at replacing the line(s). Do i need to replace the entire line back to the transmission or is there a ring or seal inside of it? The lines leak at the hose to tube interface, known as a 'barb', not where the tubes meet the trans or cooler at the radiator. Hi, first time poster here. It has blue ink on it (the other of course has red). 5 (male) to 1/2" Tube - Compression (female) NOTE: Some late '06 and '07 model vehicles may have SAE size threads. Each vehicle is equipped with two different Mustang transmission cooler lines. I haven't looked at the line connections to the Enclave radiator but I can tell you that this is a common failure point on the first generation Cadillac CTS. My transmission cooler lines are leaking after a new radiator installation. Over time, the cooler lines or connectors can wear out and develop leaks. Fit perfectly on a 2007 Ford Sport Trac, build date March 2006. I'm stuck with hooking up the transmission cooler lines. It's not too bad but enough I'd like to repair it. We see so many of these lines leaking from people that are working on the transmission themselves all because they are un-aware My Neon is leaking transmission oil. It was very hard to get at to tighten the hose clamp and I left it up to a mechanic. Transmission Cooling line leak at radiator fitting- below lower radiator hose- 2004 XLR Welcome to the XLR Net! You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. 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. Unscrewing them could be tricky especially ones on radiator It's been a really long time since I had mine off so it's all a bit fuzzy, but I "think" the trans lines may be an O-ring fitting now. yep thats the transmission cooler line. When/if you replace the line you will only lose what is in the line and some from the transmission cooler in the radiator. Are these oil or transmission lines? 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. Over the past week, I have noticed a small transmission oil leak where the line connects to the radiator on the passenger side. Looks like the connection to the cooler is leaking. I pushed the lines into the fittings on my new Silla radiator and they are seated all the way—I can't push them in any further and they won't pull out. See exactly if the cooler is leaking. Replacing Transmission Cooler Return Lines. The fuel line is ment to work with low pressure. transmission cooler lines leaking at radiator

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