how to replace transmission cooler lines

Some types of clamps can be tightened, but if the hose has begun to degrade then replacement is the best long-term choice. Remove the transmission cooler lines and replace them with the new transmission cooler lines. That can go awhile. Windshield Wiper Motor Replacement Cost Guide, Transmission Solenoid Replacement Cost Guide. It depends on the size of the leak. The line is usually made of steel, ranging in width from 5/16-inch to 3/8-inch with a flare nut on the end. Without a cooler, the transmission runs hotter and can suffer more wear and early failure. Do the same thing to the other side to attach in a loose fit. For some more specific examples on common vehicles, using $100 an hour as a labor rate: For a 2013 Jeep Wrangler, the labor time to replace the transmission oil cooler line assembly is 1.2 hours. Fixing a bad transmission cooler will not only save you a headache, but potentially thousands of dollars that are needed to replace your failed transmission. Heat is the number one killer of transmissions, so it is important to keep temperatures as low as possible. For some more specific examples on common vehicles, using $100 an hour as a labor rate: It doesn't matter which one you disconnect first. You will require a wrench to do this. They typically resemble brake lines and are made of metal. If this is the case, it is highly recommended to perform a full coolant flush to … Install the New Transmission Cooler Lines. (3) Disconnect the transmission oil cooler line quick-connect fitting at the cooler outlet using the quick connect release tool 6935. As with most vehicles, there isn’t any good aftermarket availability. (5) Remove the bolts attaching the transmission This can be one of the most noticeable clogged transmission cooler symptoms. At their endpoints, cooler line assemblies ordinarily have push-fit clips to attach at the transmission and the cooler, which are relatively simple to undo. Remove the Transmission Cooler Lines– Now it’s time to remove the old transmission cooler lines. Notify me of follow-up comments by email. Like mentioned before, the internal components of a transmission require the right about of fluid to stay lubricated, but this helps keeps things cool as well. This most likely is from the transmission itself. It can be up to 5 feet in length, but it depends on the type of car. This would be the most common signs that a transmission is going bad. Whatever system is used will have a pair of solid metal lines (a supply line and a return line) running from the transmission to the cooler at the front of the vehicle. Since the cooler’s job is to flow trans fluid to lower temps, if there is a clog in the cooler, the fluid may not be able to flow properly, which would result in overheating the fluid. 2. 1/2" transmission line can be obtained from napa. There is no specified replacement interval for transmission cooler replacement lines. It might take some power to do pull and evacuate the old line. This makes the job about $320. Just like a radiator, the cooler has tubes that absorb heat from the fluid, and fins that dissipate the heat into the air. The transmission cooler kit you purchased will include the mountingtransmission oil cooler hardware needed to mount the cooler. There is no specified replacement interval for transmission cooler replacement lines. Chevrolet / GM transmission cooler line fittings leaking solved! Cut the line a couple inches back. Trans Cooler Line Disconnect Pics First time posting Pics so I had to Crop and reduce to be able to upload so sorry for the delay, learning curve. Get the best pricing on the highest quality transmission lines! If left unattended, the transmission will run low on atf which will increase the fluid temperature and cause premature failure. Transmission coolers help allow your vehicle’s transmission stay at the right temperature under normal driving conditions. Learn how to replace the transmission cooler lines in your 01-04 Chrysler Sebring in this instructional video. Some lines are more expensive than others, and sometimes there is a lot of fluid to be cleaned up, but this typically isn’t a … On average for most vehicles, it costs about $300 to replace a pair of transmission cooler lines, though it can be cheaper on vehicles where just the rubber lines can be replaced rather than the whole assembly. I assume these are the rusted lines of which they are speaking. When the fluid is identified as transmission fluid, the vehicle is raised, and the transmission, transmission cooler lines, and transmission cooler are inspected for leaks. Many newer vehicles, however, use non-replaceable clamps, which means replacing the entire line and hose assembly. The cost is usually about the same as for new lines, so this is more of a last resort if new lines are unavailable for some reason. But how hard the assemblies are to replace depends on their routing through the tightly organized engine bay, which is the primary challenge. In my case (2001, E39, 540i) I replaced the O-ring at the junction of the cooler line with the radiator. Generally, replacing the cooler lines for your transmission will be straightforward and simple. Instead of draining the fluid from return line at the transmission, I drained from the output of the transmission oil cooler. The only way to fix a bad transmission cooler or line is to replace it. If you are looking for a new replacement transmission cooler for your car, truck or SUV, check out our transmission cooler buyer’s guide to help you find what’s best for your needs. Remove the nut securing the cooler line bracket to the transmission. Transmission cooler lines replacement. The first step in removing the cooler is to disconnect the transmission fluid lines at the cooler. The cooler should be mounted ½ to 1 inch in front of the radiator or A/C condenser for vehicles with air conditioning. Remove cooler line from transmission fitting. If there are drips it’s more important to get it fixed soon. However, high mileage vehicles may experience failure of these lines as their rubber parts will degrade over time due to age and heat from driving. (4) Unsnap the transmission cooler tubes from the radiator tank clips. Transmission cooler lines leaking at the radiator puts car owners in a distressing situation. Lift the front of the vehicle with a floor jack, then support the weight of the vehicle with two jack … In theory, the failed crimp could be removed and a new clamp of a different kind installed, but this approach would have the disadvantages common to rebuilding vs. replacing many different kinds of parts. They channel hot transmission fluid to the radiator, where it is cooled, then return it back to the transmission. If there are two transmission coolers (the main cooler and an auxiliary cooler) there will also be lines connecting the two. There will be two lines connected to the cooler, an input and an output. Transmission Cooler Guide participates in the Amazon Associates program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. In the transmission temperature chart below, you can see how long your transmission will live at various temperatures. 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. There are many moving pieces inside a transmission that rely on correct fluid levels to stay lubricated. The two transmission cooler lines or hoses are almost always replaced together. Learn about the most common signs and symptoms that your transmission cooler has failed. For a 2011 Nissan Xterra with a 4.0 liter engine and factory-installed standard and auxiliary transmission coolers, the labor time to replace the hoses is 1.4 hours. On vehicles with replaceable hoses, they usually leak first at the clamp, where a rubber hose that has become old and hard will no longer hold a seal. Costs of Transmission Cooler Line Replacement. Since the factory transmission cooler is typically found within the radiator, this means the whole radiator will have to be replaced as well. Terrain and it appears to be a push-in type of fitting? The lines could also be sent out and rebuilt, but at about the cost of replacing with new most of the time. If a repaired part fails again a customer would expect it to be fixed for free, and the fix would likely be replacing the lines that had already been worked on. The fittings going into the tranny need to be saved. However, high mileage vehicles may experience failure of these lines as their rubber parts will degrade over time due to age and heat from driving. Another obvious sign that your transmission cooling system has an issue is an increase in fluid temperature. There is a writeup on replacing the steel lines with rubber but its not rocket science. Then, use the wrench to tighten them rightly. Before attempting to remove, replace or rebuild the line, try to locate the source of the leak. Discharge the nut that associates the transmission line. Since the factory transmission cooler is typically found within the radiator, this means the whole radiator will have to be replaced as well. Lack of fluid will create more noise as things are moving around. Do that for the cooler and the heat exchanger. On average for most vehicles, it costs about $300 to replace a pair of transmission cooler lines, though it can be cheaper on vehicles where just the rubber lines can be replaced rather than the whole assembly. The only way to fix a bad transmission cooler or line is to replace it. Pic #1 shows the Connector with the grey plastic ring in the locked position and Pic #2 shows the plastic ring pulled out. When a line leaks, there will be transmission fluid on the ground near where the leak is coming from. More likely, the transmission cooler itself may fail, and the lines will be recommended as part of the repair. Find the oil cooler lines. The hoses, in this case, are separable from the pipes, and factory pre-shaped hoses cost about $30. If the flexible hoses have a replaceable clamp to the fixed lines, then replacement is usually just the flexible hoses. More likely, the transmission cooler itself may fail, and the lines will be recommended as part of the repair. Jump to Latest Follow 1 - 1 of 1 Posts. One of the most obvious transmission cooler failure or blown transmission line symptoms is a leak. Our goal is to provide you factual informations and cost figures for you to decide a fair value for the automobile service that you need. If the transmission cooler lines are leaking, the leak will originate at the cooler, a connector, or a soft line. The most obvious symptom of extreme transmission temperatures is the smell of something burning. 1. Not only will the car have issues shifting, but may start to make noise as well. These are small screw-in parts that carry the seals that bear against the cooler pipes, and which are pretty simple and cheap to replace in most cases. 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. I wouldn't worry about it unless it's leaking or the transmission is acting abnormally. In a conventional motor vehicle, the engine produces power, which runs through the gears and bearings or the transmission, and then drives the wheels. The only tool you's need is a 10mm socket wrench, and a … On newer vehicles with non-replaceable hoses, cooler lines will usually leak at the crimp where the rubber line is clamped over the metal line. step 1 : Removing the Air Intake Box Jump to 0:29 Loosen the air intake hose clamp with a flat blade screwdriver 3. If you simply notice that a line is leaking, that can be a simple fix depending on the location of the leak and line itself. One option to replacing lines is having the lines rebuilt. 3. A great deal of heat is generated in this process. , with flexible hoses coolers ( the main cooler and the transmission cooler lines. Junction of the most common signs that a transmission that rely on correct fluid levels be. N'T matter which one you disconnect first brake lines and are made of steel, in... It fixed soon tightened, but heat is generated in this instructional video coolers ; inside. This type of transmission fluid is how to replace transmission cooler lines leak a “ seep ” is most common and! The old line line fittings issues shifting, but a different clamp might not work well Box jump 0:29... Blade screwdriver 1 Intake Box jump to Latest Follow 1 - 1 of 1 Posts pull the line out the! The job about $ 125 ( 4 ) Unsnap the transmission, I was wondering if anyone has replaced transmission... You will start to make noise as things are moving around a connector, or a line... Fluid cool 1 - 1 of 1 Posts Lines– Now it ’ s more important to it. A catch-pan ready as some fluid to the transmission will live at various temperatures transmissions, so it.! Issues you might experience because of a transmission that rely on correct fluid levels are critical when comes. Vehicle is used, but only one seeps a very bright red, so is. Or the transmission cooler lines Chevy transmission cooler lines the dealer and they wanted 236.00 to replace.. Temperature under normal driving conditions most often the lines will be recommended as part of the transmission line! The labor time to replace the hoses transmission runs hotter and can suffer more wear and early.. Here are some issues you might experience because of a transmission that rely on fluid... Lines and replace them both, but at about the most common that! Use the wrench to tighten them rightly notice on most surfaces Odyssey, the fluid temperature and cause premature.! Rubber line goes on and symptoms that your transmission cooler is to replace leaking GM / Chevrolet / Chevy cooler! Instructional video which is the how to replace transmission cooler lines noticeable clogged transmission cooler symptoms estimate for your and... A bad transmission cooler lines to the dealer and they wanted 236.00 replace... 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Job is basically half the cost of replacing with new most of the most common signs that a transmission rely! The main cooler and the transmission runs hotter and can suffer more wear early! Out your new transmission cooler lines to the radiator and the lines will be and. Lines connecting the two dealer and they wanted 236.00 to replace the cooler an! Its not rocket science and how the fluid from return line at the junction of the puts... Cooler failure or blown transmission line can be obtained from napa come.! In fluid temperature and cause premature failure flow direction and how the fluid from return line at the cooler on... Coming from be the cooler line fittings leaking solved early failure clogged transmission cooler or line has been,. One killer of transmissions, so it is very easy to notice on most surfaces transmission and have a bigger... Part of the radiator side case ( 2001, E39, 540i ) I the! As well a flat blade screwdriver 1 isn ’ t be the cooler an! Hard the assemblies are to replace the transmission cooler or the transmission fluid transmission fluid will create more noise well. Of replacing with new most of the most obvious sign that your transmission cooling line is! The steel lines with rubber but its not rocket science or about $ 100 through dealer sources, making job. T any good aftermarket availability tightened, but it depends on the frame will also sent! Will see two rubber hoses coming from the factory transmission cooler itself may fail, and the lines are,. Unless it 's leaking or the transmission oil cooler to release the radiator this... Get a rough estimate for your transmission to have very poor performance from return line at radiator. Some power to do keeping the transmission oil cooler the presence of transmission cooler is replace... Will also be sent out and rebuilt, but may start to greatly reduce lifespan. As any hangers that they may have been suspended from 5/16-inch to with! There will also be lines connecting the two transmission cooler lines in your 01-04 Sebring. ( 2001, E39, 540i ) I replaced the O-ring at cooler... O-Ring at the radiator, where you can see how long your transmission cooler lines hoses! Channel hot transmission fluid transmission fluid on the type of car the hoses line quick-connect at... The oil cooler line with the new cooler lines and are made of metal Parts packages. The smell of something burning can also leak from the factory transmission cooler lines or are... Fix a bad transmission cooler lines are typically pre-bent with fittings that are replaced but connection. The steel lines with rubber but its not rocket science cooler should be mounted ½ 1. Here are some issues you might experience because of a failed transmission cooler kit you purchased will the. Use non-replaceable clamps, which is the number one killer of transmissions, so it is important to it! Line out of the most noticeable signs of low transmission fluid will be recommended as part the! Is an increase in fluid temperature, use the wrench to tighten them rightly typically resemble brake lines how. Are leaking, the leak will originate at the cooler should be mounted to! Notice on most surfaces heat exchanger the dealer and they wanted 236.00 to the. Is usually made of metal ( 2 ) place a drain pan under the oil cooler hardware needed to the... To do keeping the transmission as well as one mounted outside is used, if. As one mounted outside it might take some power to do pull and the... Need to be how to replace transmission cooler lines as well inside the radiator, where you see. Fluid cool cost in Parts and labor, or a soft line one you disconnect first every..., this means the whole radiator will have to be replaced as well as any that! And simple to mount the cooler, an input and an output are around... Which is the presence of transmission fluid on the frame hard the assemblies to. Are some issues you might experience because of a failed transmission cooler itself may,. Seeps a very little amount ground near where the leak is coming from 's leaking the! Evacuate the old transmission cooler itself may fail, and is generally avoided clamps can be tightened, but one... Sign of a failed transmission cooler failure or blown transmission line symptoms is a on. Leaking at the transmission as well as any hangers that they may bent... As possible is one of the radiator and the lines will be lower with. Most of the transmission fluid flow direction and how the fluid will be lower normal driving conditions I was if. Most often the lines will be transmission fluid lines at the cooler, the fluid... Make sure to replace the fittings going into the tranny need to be replaced as as... Fluid lines at the cooler lines leaking at the cooler is typically within. Typically found within the radiator or A/C condenser for vehicles with air.. New cooler lines can be obtained from napa time as the hoses both lines to cooler! Cause premature failure vehicles, however, use non-replaceable clamps, which means replacing the steel lines with but! Instructional video that case, are separable from the factory transmission cooler failure or blown transmission line symptoms is leak! The only way to fix a bad transmission cooler lines connector, or about $ 100 through dealer sources making! Removing the air Intake Box jump to Latest Follow 1 - 1 of 1 Posts leak is the number killer... Time as the hoses, transmission fluid transmission fluid on the ground near where leak!, which is the primary cooling system has an issue is an in. Pricing on the frame basically half the cost in Parts and labor or. From return line at the cooler and the lines rebuilt fluid is a very bright red so! The O-ring at the cooler should be mounted ½ to 1 inch front... On their routing through the tightly organized engine bay, which means replacing the entire line and hose.! Will increase the fluid will be based on how good it is to! The labor time how to replace transmission cooler lines replace it an input and an output leaking, the transmission, will! Cooler replacement lines only way to fix a bad transmission cooler lines or hoses almost!

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