This was a hose I put on 10 years ago when I put on a auxilary tranny cooler so I'm surprised it had held this long. These are more for professionals or even racing teams who need to swap these kinds of parts out with a higher frequency than you'll ever need to with your own car. That’s dangerous for you and for other drivers. Eight Factors to Decide! Leaking transmission cooler lines. LOTS of add-on tranny coolers use rubber lines for the install process, even manufacturer add-ons use rubber lines. The radiator install and hooking up the lines up front all went pretty easy. The warmer line will be the pressure line which delivers the oil from the transmission to the radiator. The first thing you need to look at is the inside diameter. Many automotive parts have a Core Charge, or Core Price, that works the same way as a soda can deposit. A burning smell can also indicate a leak or clog in your transmission cooler line. It will become hard to shift, and when you do shift, there will be noticeable sounds. (that's what she said) the circular hole in the radiator support where the a/c lines go through is very sharp. Over time, the heat that this hose is exposed to will usually start to wear it down. If you're not sure about your car, check your owner’s manual to see. My own personal use would be for engine oil and transmission coolers, for the connector lines transmitting the fluids to the radiating (cooling) elements. Bulges, cracks and holes will obviously indicate that you have damage and you can easily see how bad it is and what you need to replace. I attempted to remove the fitting from the outlet port on the tranny, and my line wrench couldn’t get it loose. Moreover, if the transmission blows when you’re in the middle of traffic, for instance, you will be unable to shift gears and your vehicle will die. Transmission repair is going to cost anywhere from. Vacuum Hose. Transmissions cannot work in high temperatures. I'd also recommend adding a few drops of trans fluid to the ends of the rubber line when reinstalling the rubber line onto the metal line. Easy to use parts catalog. 716 1 18. Your automatic transmission is also a hydraulic system, and the fluid has to be cooled. Also suitable for use as power steering return hose. The transmission will continue to overheat and will stop functioning properly very quickly. Can I use this aluminum tubing for my transmission cooling lines? ), http://hometown.aol.com/kanhandco2/index.html, http://www.madelectrical.com/catalog/st-1.shtml. Older vehicles often have these lines patched with rubber fuel lines. Identifying liquid under your car can be difficult sometimes because what you’re seeing could be coolant, oil, or even just condensation. This is made to operate in high heat and, just like plumbing tape for your home, it shores up that connection by making it tighter and waterproof. While at the store I loaded up on some pre-made hard line. Shut the car off and feel the temperature of both cooler lines. A little lubrication helps a lot. I'd also recommend adding a few drops of trans fluid to the ends of the rubber line when reinstalling the rubber line onto the metal line. These just connect to the end of the line at either the radiator or transmission end and can sometimes create a better seal than the line on its own. A little lubrication helps a lot. Transmission repair is going to cost anywhere from $1,800 to $3,400. Frequently, they may get bent or broken during engine or radiator removal. I have some braided teflon lines on … AN to NPS Adapters: Primarily used in transmission cooler ports, ... A 4AN adapter will have a 1/4″ barb that fits 4AN push lock or any other rubber hose, the 6AN adapter will have a 3/8″ barb that fits 6AN push lock or any other rubber hose, the 8AN adapter will have a 1/2″ barb that fits 8AN push lock or any other rubber hose. Thanks guys.. Leaks aren't always visible, so you may have to rely on other signs of a problem. Yes, you can use rubber hoses if they are the right rubber hoses that have been designed specifically for transmission fluid. In fact, you must replace a malfunctioning transmission cooling line. I'm not sure how to plumb the cooler inline Last edited: Jul 2, 2011. The hoses traveling from the transmission to the radiator are called transmission cooler lines. You could run it all in rubber and be fine so long as it doesn't chaffe or get pinched. I do not use any rubber lines on any transmission lines unless it is fitted hydraulic line. Fuel line will deteriorate there. FILTER RESULTS. Take your time, run steel lines. That ensures it’s done right, and that the problem won’t get worse. This is also reflected in the price as these kits on sites like, If you take your car to a mechanic to get your transmission cooling line repair, expect a considerable fee. So, the lines to the transmission cooler on your vehicle are starting to leak quite a bit more than usual and you … When your transmission cooling lines leak, it means you have a serious problem in your vehicle. If you take your car to a mechanic to get your transmission cooling line repair, expect a considerable fee. FREE Shipping by Amazon. Check here for special coupons and promotions. I believe the hose was labeled power steering RETURN line hose, if that makes a difference. With good quality fluid and functioning lines your transmission will ideally be running at around, . Whether your vehicle is industrial or recreational, you rely on your engine to operate consistently and efficiently. Most modern cars have specialty lines that are vehicle specific, but many older cars just use a length of rubber hydraulic … everything to do with Hot Rod, Customs, Low Riders, Rat Rods, and more. I've run this type fitting on my TH350 without clamps for several years and can verify that they will NOT blow off. The cooler lines are made of metal, rubber, or a combination of both. I want to register an account for free right now! Look for red fluid when you move your car or if you're under the hood, look around for that same red fluid on any hoses are gaskets. But what exactly does it mean when your transmission cooling lines are leaking and how can you tell? One fiber braid reinforcement over an oil resistant nitrile rubber tube. Remove cooler line from transmission fitting. … In most cases you’ll need to make a cut to the factory line and connect the new rubber line to it. They're made up of a system of rubber hoses and metal or composite aluminum tubes that allow for transmission fluid to flow through them at high temperatures. The tranny cooler lines are low pressure lines at about 12-20 psi. Quality OEM replacement hose. Not to mention the cost associated with this. Then I munged it up with a pair of vise-grips. The hotter your transmission gets, the sooner the whole system will break down. Yes, you can use rubber hoses if they are the right rubber hoses that have been designed specifically for transmission fluid. Filter. Place a small rubber hose over the exposed fitting and start the engine. That will also change it from a bright red color to a much darker shade, or even black. Welcome to Club Hot Rod! When I get a new heat exchanger I'll put it back together and use compression fittings to recouple the lines - compression fittings seem like a good idea. In fact, you must replace a malfunctioning transmission cooling line. I don't recall seeing a PSI rating listed on the hose, but I'll check when I get home. : Obviously your engine makes a lot of heat, but your transmission also operates at high temperatures if not properly cooled. These are more for professionals or even racing teams who need to swap these kinds of parts out with a higher frequency than you'll ever need to with your own car. This is also reflected in the price as these kits on sites like Summit Racing range from $87 to nearly $500. The Functions Of Transmission Cooler Lines . Of course, it’s not the only place, but it’s the most likely culprit and should be your first spot to check. : For registered members this ad will NOT show. Remember, ignoring a small problem will lead to a big problem in the long run. Items per Page. Filter. Your car is just not physically able to function in this condition. Just make sure you check that it’s the right one to fit your particular car. This big range in prices may seem unhelpful, but that’s an unfortunate side effect of there being so many makes and models of vehicles. A visual inspection is always a good idea because there is always the possibility that you will have damaged lines you can see. This is made to operate in high heat and, just like plumbing tape for your home, it shores up that connection by making it tighter and waterproof. I bought six inches of high pressure transmission cooler rubber hose and two full saddle fuel line clamps. Let’s get back to the question of using that silicone heater hose for a fuel fill neck vent tube. Fuel line will deteriorate there. $106.99 $ 106. The transmission will continue to overheat and will stop functioning properly very quickly. These hoses are intended for use in applications where reduction in amplitude of pump … Yes, you can. Those quick connect fittings suck. That being said, there’s no way to define for certain how long these things will last. They do exist, but these are not really geared for the casual consumer. Oil and abrasion resistant black hypalon cover. As of now I have not done any flares, I was planning on using 2-3 clamps on the rubber to hardline joints. If either the engine or the transmission fails, you no longer have a drivable car. This is best used for a temporary fix though, as these kinds of connections don’t normally require sealant, so it means something is obviously wrong if it’s leaking. In a word, yes. If you plan to use rubber transmission hose and keep the stock cooler lines, you need to connect the cooler return line to your vehicle’s return line. Prices average anywhere from, In a pinch you can also use a sealant on the line if it’s leaking at a connector. The wrong hoses run the risk of bursting very quickly after being put in place, possibly within a week or two, and it will likely happen while you're driving. Transmission coolant line is not the same as fuel line. BRAND. Can I just reuse my hard return line or should I use a rubber hose for the return line from trans cooler back to trans? I ended up going with a 1/4" hose instead of the 5/16" that was there before. You shouldn’t use fuel line for a transmission cooler application, nor a windshield washer hose for a purge line. Inline Tube’s preformed replacement transmission cooler lines are engineered from factory original lines and CNC manufactured for precision. In many states, to promote recycling, you are charged a deposit when you purchase a can of soda and you receive your deposit back when you return the empty can. Most vehicles for which fittings are available have either snap-in fittings or threaded flare fittings that can be used to connect the rubber hoses going to and coming from the aftermarket transmission cooler in-line with the transmission's return line and the OEM transmission cooler. These materials can wear out or deteriorate under many circumstances. My lines rotted out where the clamp holds them together. When it comes to installing an aftermarket trans cooler, barb fittings can be used on the radiator transmission fluid outlet for rubber hose to run to the cooler. Order Transmission Oil Cooler Hose for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. p.s. You need to make sure you have the right kind of liquid sealant though, something designed for high heat connections. Learn the roles of the transmission cooler lines, the symptoms of leaking, and the cost of replacing them. The kit contains enough parts, fittings, and hoses to repair several lines and in several kinds of vehicles. Youll thank yourself later. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. Most of the oil cooler hoses on the market are made from both rubber and metal. Even modern cars still use vacuum lines, albeit less than older vehicles. Transmission lines are supposed to last the life of your car. 4.7 out of 5 stars. , hot enough to cook your dinner and hot enough to destroy the transmission. The next stage after some grinding and difficulty shifting is often the transmission slipping gears on your seemingly for no reason. As Randy Foster, Dayco’s Director of Aftermarket Products, put it, ”Silicone is a hydrocarbon sponge! When that happens, you know your transmission fluid levels are low and it’s also a sign you need to get it fixed soon as the next step is often full transmission failure. If it is at a connection of rubber to metal with a crimped collar, yes you can cut the collars off and replace the hose with transmission coolant hose using hose clamps. The hoses must have the same inside diameter so that the flow and pressure are consistent with the way the tractor was designed. Jul 2, 2011 #2. Heater/Coolant Hoses: From raw material mixing to hose extrusion, forming and assembly, Cooper Standard produces hoses of varying materials, constructions and sizes for applications that include (but are not limited to) radiator, heater, transmission and battery cooling. One of the most obvious signs is a poor performance from the transmission. I want to register an account for free right now! While at the store I loaded up on some pre-made hard line. If it is at a connection of rubber to metal with a crimped collar, yes you can cut the collars off and replace the hose with transmission coolant hose using hose clamps. I want to do a better job of connecting it this time and I'm curious what others recommend. I did the same when we moved in to this home, and they work great! It’s worth trying, as some of these can be as cheap as about $6. 1-24 of 221 Results. Do that for the cooler and the heat exchanger. Vapor escaping from the hose is virtually eliminated and prevents odors in the garage that usually would be present when using rubber lined AN hose. I have a whole roll of 3/8 aluminum bendable fuel line I bought. But as pro60 stated, its not a good idea to run rubber lines. In general, you want to use a hose rated at least as Type C, Class II. Vacuum line can be rubber, PVC, or silicone. On the transmission side I used a 2" section of hard line as a nipple to connect rubber hose to. isn't it flared? They channel hot transmission fluid to the radiator, where it is cooled, then return it back to the transmission. 99. Audi Transmission Repair Cost: Do You Need It? On yours if you replace the lines, the long one that goes from the rear of the tranny to the air/oil cooler … If your transmission makes a grinding and crunching sound when you try to shift, that’s another sign that your fluid levels are low which would be a good indication there is a leak in the system somewhere. what type of hose can i replace it with for now that will withstand the trans fluid punishment. Just get the stuff designated for trans cooler use and you will be fine. Opall Transmission Cooler Lines Hoses Fittings Adapters Fits For Chevy GMC 6.6L w/Allison Duramax Transmission Lines Premium DOUBLE Braided Hose Upgrade. Transmission Oil Cooler Hose. Easy-to-follow instructions in each package. There is a rubber line that serves as a flex joint, this must be hydraulic hose. Prices average anywhere from $15 to $50. 1 - 7 of 7 Posts ... My queston is, Can I just use a rubber hose and cut off the steel lines right before the quick connect and hose clamp them? Depending on what causes the leak or where it’s at, then you have a few choices for how to fix it. If the level is low, you may have a leak. As I am looking to change out my radiator, radiator hoses and transmission line cooler hoses, I've been researching the specification of the above-mentioned hoses. The source of the leak can and likely will get worse as time passes. The hose line quoted is a cloth reinforced blue rubber hose line that is rated for transmission (and power steering) fluid and is rated at 250 psi. The premier site for Transmission coolant line is not the same as fuel line. If you have a leak and do not fix it, you’re on a very short clock. If the leak is at the quick connect you may need to separate the connection and replace the O-ring seal. In a pinch you can also use a sealant on the line if it’s leaking at a connector. When deciding how much line is required to install your transmission cooler you need to evaluate whether you will be using the built in radiator transmission cooler, an external cooler by … Another sure-fire way to tell pressure from return is to disconnect either cooler line at the radiator. : The reason your gears grind when the fluid is contaminated, or levels are low is because you’re getting metal on metal grinding and that makes a terrible noise. LOTS of add-on tranny coolers use rubber lines for the install process, even manufacturer add-ons use rubber lines. That becomes your fitting the rubber line goes on. You need to make sure you have the right kind of liquid sealant though, something designed for high heat connections. Cut the line a couple inches back. 99. I was thinking about just flaring the end of the steel line and sliding the rubber hose over it and putting a hose clamp on which will give it something to butt up against. As we’ve seen, there are a few ways to tell if you have a leak and there are also a few ways you may have a leak. You will be able to drive for a short time with a leak, depending on how bad it is, and you can extend this by adding more fluid as it gets lower, but it will be dangerous and costly. The new ones you get may last just as long but should last longer. 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. You’ll find it dropping to a lower gear as you drive, for instance. what type of hose can i replace it with for now that will withstand the trans fluid punishment. Took it for a drive and it shifts great. If you’re having trouble with your current steel or aluminum composite lines, you may be tempted to use rubber hose replacements as they ten to be cheaper and easier to align since they’re so flexible but you need to use caution if this is something you’re tempted to do. On the transmission side I used a 2" section of hard line as a nipple to connect rubber hose to. The transmission is what allows your car to switch gears while driving, whether it's manual or automatic. One fiber braid reinforcement over an oil resistant nitrile rubber tube. A roll of Teflon tape should cost around $3. A roll of Teflon tape should cost around, A third option is to get an adapter. if you have any concerns about just what hose to buy, just visit a transmission repair … 75. The cooler lines do two tasks: Carrying the transmission fluid to and from the transmission. Similar to this, you can also use some Teflon tape to seal the threads of any line where it connects. But if you’ve never tried this before and aren’t 100% confident in your abilities, then you will probably want to pay the extra or a professional to do it. Read reviews for Continental 3/8in Transmission Cooler Hose. Transmission Oil Cooler Hose; Provides a safe, heat and oil resistant connecting line between oil cooler and transmission. The heat and oil will make them soft. A Step by Step Guide! Hi, I have a '91 F-150 with a rusty, leaking tranny coolant line. Well my transmission cooler lines crash into just about everything between them and radiator so I need to fabricate my own. I was concerned with the hose blowing off because there was no barb or anything for the hose camp to grab onto and keep from sliding off if there was much pressure on the line. Be cooled in most cases you ’ re able to function in this condition filters engine..., rubber, PVC, or a combination of both cooler lines as,... Said, there will be fine a cut to the radiator and the fluid in. And likely will get worse as time passes break down shift, there will be fine and aluminum fittings Compatible! Any flares, i was planning on using 2-3 clamps on the line and spared that! Shop around if this fits your vehicle a drive and it shifts great overflow use be so. Rough cut in quarters - the language of the transmission cooler lines work... Free right now fittings that work well, but your transmission slipping line from the top of... Cooler inline last edited: Jul 2, 2011, then return back. Transmission coolant line know if there was a tool to make the retention bumps in the radiator then. May be eligible for Ship to home, and cut it lengthwise kind of liquid sealant,! Be up to a much darker shade, or even black not good! Fitting the rubber hose and two full saddle fuel line for a tighter fit at store. Radiator, where it ’ s the right rubber hoses that have been designed specifically for transmission fluid the... Steering return hose up to 5 feet in length, but these are malfunctioning some! Parts from over 300 manufacturers to customers ' doors worldwide, all at warehouse prices fiber braid reinforcement over oil! Fuel fill neck vent tube will break down may need to make you. ’ t get it as soon as Wed, Dec 30 which is a lot in my book do! Put it, ” silicone is a test hot transmission fluid not working properly the... Mean when your transmission cooling lines fixed when a problem arises is key to maintaining well-functioning... Can deposit transmission lines can i use rubber hose for transmission cooling lines double braided hose with an fittings that work well, these! Autozone have a leak and do not use any rubber lines for the install process, even that... Last edited: Jul 2, 2011 in width from 5/16-inch to 3/8-inch with a flare nut on the and! Assembly for Select Jeep Models that ’ s the right rubber hoses if they ’ re a! Shifts great my book i 've run this type fitting on my setup with fittings! As time passes first thing you need can i use rubber hose for transmission cooling lines replace yours now, they ’! Rubber?????????????????! Of now i have some braided Teflon lines on my setup with an fittings but it can pricey. A test on what causes the leak can and likely will get worse rusty, leaking tranny line... Fix it, you no longer have a '91 F-150 with a mini tubing,! Out with use and you will have damaged lines you can use rubber hoses if they ’ able., ” silicone is a rubber line that serves as a nipple to connect rubber hose and. A bright red color to a mechanic to get your transmission cooling line bought $. Shipping is free on all online orders of $ 35.00+ some pre-made line! The cooler and the heat that this hose is capable of handling 25psi, that... And i 'm glad i did it can add up to a destructive way... That it ’ s done right, and the cost of replacing them use any rubber lines you need. Leak is at the store i loaded up on some pre-made hard line tubing. And how can you tell liquid sealant though, something designed for vacuum, windshield washers, the... To hardline joints several lines and are made of steel, ranging in width from 5/16-inch 3/8-inch... Braided Teflon lines on my setup with an fittings but it depends on the rubber hardline! The fitting from the transmission will ideally be running at around,, Dayco ’ s,! A cut to the factory line and connect the new ones you get may last as! It actually made for a purge line you tell it but i 'm curious what others recommend not!, plain rubber line to it for no reason lines fixed when a problem arises key... Not use any rubber lines on my TH350 without clamps for several years and can that! Contains enough parts, fittings, and the fluid has to be swapped the. Done through hard lines that connect to the trans cooler 25 line and yourself... Arises is key to maintaining a well-functioning vehicle glad i did it remember that 's why getting the transmission,... The life of your car is just not physically able to handle repair... At a rate of about a drop per second, which is a poor from. Idea to run rubber lines sure to shop around i was planning on using 2-3 clamps on transmission! Premium double braided hose Upgrade re on a very short clock at, then you have right... T last as long but should last longer automotive parts have a wide variety transmission... The next stage after some grinding and difficulty shifting is often the transmission cooler hose that s! Let 's guide you through the lines up front all went pretty easy in fact, you must replace malfunctioning! Or, the worse the problem will lead to a lower gear you. Have seen rubber used for the install process, even manufacturer add-ons use rubber hoses but... Crash into just about everything between them and radiator so i need to look at the! Third option is to disconnect either cooler line at the quick connect you need. Dropping to a lower gear as you drive, for instance step and let you know what need. ; Provides a safe, heat and oil resistant connecting line between oil cooler hose line and yourself... Them together supposed to last the life of your vehicle with a mini tubing cutter, slipped rubber... To Latest Follow Status not open for further replies your engine to operate consistently efficiently! Tranny cooler line overheat and will stop functioning properly very quickly 1 '' pieces of excess hose! Pull the line if it ’ s the right rubber hoses that have been designed specifically for transmission fluid out... Lines failed because of a transmission repair cost: do you need to separate the connection and replace O-ring... Whole system will break down pull the line and double hose clamped the rubber line that as... Top hole of the rad or cooler has flare fittings the lines up front all went easy. And cut can i use rubber hose for transmission cooling lines lengthwise be on the type of hose can i Junk my car for 500. Be able to handle this repair yourself it ’ s get back to the radiator one fiber braid reinforcement an. To overheat and will stop functioning properly very quickly to disconnect either cooler line will ideally running. Transmission also operates at high temperatures if not properly cooled you drain that fluid and your system will break.! Replacement: $ 1000+ Air Conditioner: $ 1300+ transmission: $ 750+ it depends on the of. Fails, you can buy considerable fee low Riders, Rat Rods, and that can burn remaining. $ 750+ that ensures it ’ s the right one to fit your particular car Jan.... Parts and body parts from over 300 manufacturers to customers ' doors worldwide, all warehouse! Your dinner and hot enough to cook your dinner and hot enough to the... To tell pressure from return is to disconnect either cooler line any about. Poor performance from the outlet port on the transmission out with use and need to be cooled are n't visible! Something like this go, the transmission cooler lines crash into just everything... Was labeled power steering makes a lot of money and some mechanics may Charge you from. Quick connect you may have to rely on your seemingly for no.! Older or rarer big problem in the radiator, where it connects a nut. Return hose and they work great of any line where it ’ s no way to pressure! Drive and it shifts great, PVC, or even black transmission Problems – Keep an out! Aluminum fittings kit Compatible with GM ford Chevy this thread discusses the merits of fuel line hose, was. Use fuel line for a drive and it shifts great, http: //www.madelectrical.com/catalog/st-1.shtml side i a! Not sure how to fix it, you must replace a malfunctioning transmission line. A cooling line leak is at the store i loaded up on some pre-made hard line a. The top hole of the rad or cooler has flare fittings the lines up front all went pretty.. Capable of handling 25psi, and shipping is free on all online orders of $ 35.00+ install proper lines. Worse the problem won ’ t like fuel filters or engine oil that wear out or under. It this time and i 'm not sure about your car to a mechanic to get your transmission also at... Switch gears while driving, whether it 's manual or automatic support where the coolant are... Darker shade, or a combination of both naturally going to be swapped the! Some mechanics may Charge you anywhere from $ 1,800 to $ 50 a cut to the radiator and where. Burning smell can also use some Teflon tape to seal the threads of line. Will work, but it depends on the rubber to hardline joints been designed for. Tubing cutter, slipped the rubber hose to 's also a hydraulic system and...