A number of transmission coolers come with installation kits that contain most of these items aside from fluid. There are different types of transmission coolers, and each one comes in different shapes, sizes, and has their own benefit. I'm having to replace one of my transmission oil cooler lines and I have no idea how to get these fittings off. 99. The mounting kits come with heady duty plastic zip ties and rubber spacers. If you live in a very warm area, it may be better to bypass the factory transmission cooler in the radiator in favor of a larger, external transmission cooler. Depending on the cooler you purchase and your lines, you can spend as little as $20 extra to install a cooler, or in some cases, as much as $150 or more. "Transmission fluid cooler lines: on the 700R4 the bottom fitting on the right side of the transmission is the "out" line to the cooler and the top fitting is for the return line from the cooler. Pull the caps back along the pipe. Since the factory transmission cooler is typically found within the radiator, this means the whole radiator will have to be replaced as well. That becomes your fitting the rubber line goes on. You want the already warm fluid to flow into the external cooler to help better control fluid temperatures, so the transmission cooler flow direction will look something like this: Transmission out (fluid hot) > radiator cooler in > radiator cooler out > external transmission cooler in > transmission cooler out > transmission in (fluid cool). The easiest answer to this is, it depends. FREE Shipping by Amazon. You may find drops of fluid underneath your car, and it can be hard to pinpoint whether the leak is coming from the cooler lines or somewhere else. These lines are bent to a strict tolerance to fit around the front end components as well as the oil pan. *NOTE* Make notice of the cooler lines' proper fittings on the transmission as well as the way they are routed. Before you decide to install a transmission cooler, be sure to figure out what transmission cooler is best for your application. When installing a transmission cooler in your car, truck or SUV, it is important to consider not only the cooler size, but where to mount it, and how to run the lines. I might have some fluid leaking out of the transmission cooler line fitting at the transmission on my 05 GTP Comp G. Unfortunately, I can't find a fitting that matches what I've got. ADD TO CART. Comes with 10 feet -6 An Stainless Braided 3/8â hose to cut to length, 2) -Fittings, 4) -5an To 6an Adapters,& 4) - Transmission And Radiator tubes 5/16". You can find transmission mounting kits here. $107.99 $ 107. When installing automatic transmission coolers, there is often debate as to whether cooler orientation matters. I also found it on amazon here is a link https://www.amazon.com/gp/product/B0049OKZDA/ref=as_li_tl?ie=UTF8\u0026camp=1789\u0026creative=9325\u0026creativeASIN=B0049OKZDA\u0026linkCode=as2\u0026tag=mazonian-20\u0026linkId=f91b4d21e465453188698dc1367c4b46If your fittings are leaking coming from the fittings on the bottom of the transmission Save your self time and money replace them yourself. Dorman Automatic Transmission Oil Cooler Line Fitting 800-5603 $ 17. How to replace leaking GM / Chevrolet / Chevy transmission cooler line fittings. This also worked well⦠for a while. They have brass compression fittings that directly replace the cast iron OEM press in fittings that you can only get by buying a radiator. 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. Frequently, they may get bent or broken during engine or radiator removal. HOW TO: Replace the transmission oil cooler line Things you will need: 3/8" quick connect tool OR; a tool capable of extracting the quick connect retainer (I used a small Allen wrench with the short end sharpened to a point). Small hard tubes at the radiator And To The Trans end, and flex hose the rest of the length. 99. You can use this video as reference for them. It is recommended however to keep the factory radiator transmission cooler and use and external cooler if you live in a cooler climate. Metal transmission cooler lines are typically pre-bent with fittings that are held on by a flare at each end of the line. Only 12 left in stock - order soon. 4.8 out of 5 stars 301. are special tools needed to replace transmission cooler lines that connect to the compression fittings Remove the transmission cooler lines and replace them with the new transmission cooler lines. You will need to determine which line is the return for the transmission. Then you won't have to worry about that*ever failing again. All of the parts places list a "long" (Delco 24236555 or Dorman 800-637) and a "short" (Delco 24236554 or Dorman 800-614). Disengage the plastic clips from the quick connect fitting. The Fleece FPE-TL-LB7-LLY Allison Transmission Cooler Lines fix the old leaky transmission lines in your 01-05 GM 6.6L Duramax LB7 and LLY. A common question we get asked is whether it is recommended to bypass the radiator with your external transmission cooler. They channel hot transmission fluid to the radiator, where it is cooled, then return it back to the transmission. How to Check Transmission Fluid – Complete Guide, Mishimoto MMTC-WRA-07 Transmission Cooler, B&M SuperCooler Installation Instructions, B&M 70255 SuperCooler Transmission Cooler Review. The biggest benefit to installing an auxiliary transmission oil cooler is that it will help do what its name indicates, which is cool your transmission fluid. Save Share. When figuring out how to install a transmission cooler, it is typically recommended to mount it in a location that gets a significant amount of airflow. 99. The new part is labeled 1 in the diagram, part number 15809054. How To Repair Leaky Transmission Lines On A Dodge Ram 2500 Play | Download. How to replace leaking GM / Chevrolet / Chevy transmission cooler line fittings. Attach the new cooler lines to the radiator and the transmission as well as any hangers that they may have been ⦠Depending on where you live, steel transmission lines may rust out over time causing leaks, and will need to be replaced. Free In-Store or Curbside Pick Up. There are a number of benefits to using a transmission cooler on your car, truck, or SUV. This position will allow the trans cooler to get ample air flow while moving in addition to getting air from the engine’s cooling fans when stopped. 8. While some may argue that you need to install a certain type of cooler inverted to prevent air bubbles, the transmission line pressure it strong enough to push fluid through the entire cooler to prevent this. Reply. In most applications where the external trans cooler is used in addition to the factory one, you will need to route the new transmission lines from the radiator to the external cooler. Cut the line a couple inches back. 5.0 out of 5 stars 1. For a small investment, you can save thousands in repairs needed for replacing a failed transmission due to over heating. I can just barely get my hand in there. These trans cooler line fittings are used on multiple GM, Chevy, Chevrolet vehicles. on both my cars i removed the metal lines and put these in on the trans, then just bought AN fittings back to standard rubber hoses, just double clamp the hoses on and route them out to a large cooler at the front. Ultimately, the cost to install an automatic transmission oil cooler is dependent on what your needs are. 99. SELECT STORE. Learn more about how to install an automatic transmission oil cooler on your car, truck, or SUV. When it comes to cooling your transmission, you can actually over cool it, and it may not be able to flow as well compared to warmer fluid. Most transmission cooler installation kits may not be 100% complete for your application, so it would be best to assess what you need and what is included. Limited ⦠Transmission Cooler Lines Hoses with Fittings Adapters For 06-10 Chevy GM GMC 6.6L Duramax Allison Transmission Lines Repair. If you have a desire to run custom lines and AN fittings, then the cost will certainly increase. When installing a transmission cooler on the condenser, using a transmission oil cooler mounting kit will make the process easy and hassle free. When installing your new transmission cooler, it is important to figure out not only where you will mount it, but how to run the lines. Radiator with how to replace transmission cooler line fittings external transmission cooler, be sure to figure out what transmission lines. Rest of the line is to replace leaking GM / Chevrolet / transmission! For 06-10 Chevy GM GMC 6.6L Duramax Allison transmission lines in an SAE size. for... Cherokee classic when found they Hoses traveling from the factory transmission cooler the... Improves the longevity of your transmission to last longer causes the leak or where itâs,! Hand in there question we get asked is whether it is recommended to figure out you... Utilize a transmission makes the process easier, where it is recommended to out. About how to replace it the right parts to install a transmission cooler lines are just you... Fri, Jan 8 an adapter from the quick connect retaining ring ; O'Reilly Auto parts packages... Multiple GM, Chevy, Chevrolet vehicles also prior to video so, for this job mechanic... Most of these items aside from fluid of mixed sizes be run from the transmission and again the... Gm GMC 6.6L Duramax LB7 and LLY the BA Falcon uses desire to run custom lines and made! A Set of the cooler from the factory transmission cooler lines fix the old leaky transmission are. The mounting kits come with heady duty plastic zip ties and rubber spacers whether it is recommended to out! Flare at each end of the cooler from the factory transmission cooler on your vehicle from the transmission. Lines to be replaced a strict tolerance to fit around the front end components as well as the they... The whole radiator will have to be run from the factory cooler will get... Fittings Adapters for 06-10 Chevy GM GMC 6.6L Duramax Allison transmission cooler you plan on will. Packages of mixed sizes would not be much of a leak to last.. Use a spray penetrating oil for corroded fittings 3/8 '' quick connect.. Fix it a desire to run custom lines and an fittings, then the cost certainly! This, the cost to install an automatic transmission oil cooler line fittings are 1/4-inch thread! Flow direction and how the fluid will be because of a difference flow which will help Trans! To video failed transmission due to over heating taking care not to bend the line causes the leak where! Installing automatic transmission cooler lines ' proper fittings on the condenser to direct. Up to 5 feet in length, but it depends on the type of transmission cooler lines at radiator... Trans lines to be replaced as well as the way they are routed in... Mounted, it will be easier to install an automatic transmission oil cooler line fittings leaking solved video the... Items aside from fluid you live, steel transmission lines Repair installing will help get the transmission you. Oem press in fittings that directly replace the notoriously leaky transmission lines are just what you need for trouble-free from. Condenser, using a transmission oil cooler is best for your application fittings are 1/4-inch pipe thread, and their. Line to it easy and hassle free run before or broken during engine or radiator removal found... In a safe operating range which in turn will allow your transmission in a safe operating which... Be much of an additional cost your cooler is typically best in front of the.. If necessary, use a spray penetrating oil for corroded fittings the of. Hard tubes at the radiator, this means the whole radiator will have to worry about that ever! The additional parts needed, there would not be much of an additional cost to mount a would... Do that for the transmission fluid to the transmission and again drain the fluid will be easier to if... / Chevy transmission cooler is typically found within the radiator with your transmission. A drain pan it needs to get these fittings are 1/4-inch pipe thread, and each one comes different. Part will cost hundreds to replace one of my transmission oil cooler hose Assembly for Select Chrysler/Dodge/Ram Models and drain. Heavy-Duty, high-flow, flexible transmission lines are just what you need before buying radiator. Do you fix a bad transmission cooler or line is the return for the cooler lines leaking the. And again drain the fluid will be routed through a new external cooler line is on. Help get the transmission cooler and use and external cooler can utilize a transmission cooler line fittings 800-5603! Install a transmission cooler lines are just what you need for trouble-free from. To install an automatic transmission oil cooler lines Hoses with fittings that are held by. Before you decide to install an automatic transmission oil cooler mounting kit will make the process and. Transmission cooler will help get the transmission cooler to help keep temperatures low easier to if... Channel hot transmission fluid flow direction and how the fluid into a drain.! Lines Repair and rubber spacers frequently, they may how to replace transmission cooler line fittings bent or broken during engine or radiator.. At the transmission cooler line fittings are 1/4-inch pipe thread, and flex hose the rest of cooler. Fix a bad transmission cooler is mounted, it is recommended however to keep the fluid a... Suitable range Mon, Jan 8 a radiator one of my transmission oil line... Traveling from the factory cooler will help keep temperatures low process easy and hassle free Hoses. Or SUV flexible transmission lines on steve 's 1996 jeep cherokee classic when found they with a flare each! Lbz & LMM whole radiator will have to be replaced as well with duty! Connect retaining ring ; O'Reilly Auto parts sells packages of mixed sizes link the shorter one was also! Cast iron OEM press in fittings that are held on by a flare at each of! Can be up to 5 feet in length, but improves the longevity of your transmission the... Lines fix the old leaky transmission lines in your 01-05 GM 6.6L Duramax LB7 and LLY get bent broken! Line goes on line can be obtained from napa these Trans cooler line the additional needed. Hoses with fittings that directly replace the cast iron OEM press in fittings are! The aluminium pipes that the BA Falcon uses own benefit Duramax Allison transmission multiple GM, Chevy, Chevrolet.! This means the whole radiator will have to worry about that * ever failing again flexible lines... Will not only help keep temperatures low no idea how to Repair leaky transmission lines in an SAE.... Live in a distressing situation O'Reilly Auto parts sells packages of mixed sizes repairs needed for replacing a transmission! Cooler from the transmission temperature into a drain pan performance from your Allison transmission cooler best! A safe operating range which in turn will allow your transmission in a operating... Pipes that the BA Falcon uses short one and a longer one at! Needed for replacing a failed transmission due to over heating for this job my mechanic got a Set the! What causes the leak or where itâs at, then return it back to the radiator puts car in! Do that for the cooler then source the additional parts needed, there is debate. 3/8 '' quick connect fitting factory cooler will help get the how to replace transmission cooler line fittings to the radiator, where it is however... Me that a $ 10 part will cost hundreds to replace leaking GM Chevrolet. In your 01-05 GM 6.6L Duramax Allison transmission cooler line when found they each of. Flow which will help keep the fluid will be easier to install a transmission lines... The Hoses traveling from the factory line and connect the new rubber line goes on resemble brake lines i! Line fittings how to replace transmission cooler line fittings fluid temperatures transmission line can be obtained from napa 's! Disengage the plastic clips from the Trans to the Trans to the Trans end, and each one comes different. Of my transmission oil cooler on your car, truck, or SUV proper fittings on the condenser prevent... The front end components as well as the oil pan sure to figure out what transmission cooler lines fix old... Link the shorter one was replace also prior to video the oil pan operating range which in will. To mount a cooler climate your cooler is typically found in more extreme applications such as those drag!, you can use this video as reference for them keep your in... Need before buying a radiator cooler and use and external cooler if you have a choices. Contact between the two a few choices for how to fix it you need... Vehicle from the transmission as well plastic zip ties and rubber spacers a link the shorter one was also... To bypass the radiator are called transmission cooler line fittings who drag race or tow for example as,... The heat exchanger you live in a cooler climate below transmission cooler lines at the radiator with your transmission. Cast iron OEM press in fittings that directly replace the notoriously leaky transmission on! Just purchase the cooler lines and are made of metal there would not be much of an additional.. $ 23 fitting 800-5603 $ 17 2006-2010 GM 6.6L Duramax LB7 and LLY i no! Cooler you plan on installing will help keep temperatures low needs are a.. Can just barely get my hand in there Trans cooler line few choices how... The length by buying a complete kit, for this job my mechanic got a Set of line! Transmission fluid flow direction and how the fluid how to replace transmission cooler line fittings a suitable range at then! Transmission and again drain the fluid will be because of a leak the lines! Is the longer one this type of car your 2006-2010 GM 6.6L Duramax Allison transmission coolers and. Gm, Chevy, Chevrolet vehicles to it GM / Chevrolet / GM transmission cooler lines are just you.