Inside is a plastic clip and an o-ring. Or, if you have a small hand pump and a long small diameter hose you can pump Hello. You can run flex lines, but they have to be made for transmission oil. It’s worth trying, as some of these can be as cheap as about $6 . What is the trunk width for 2020 Ford Fusion ? One is a metal clip that bridges the two lines at the bottom of the radiator. Your oil lines may be easy to remove but many or not and if yours is one of the hard ones it is no joke. This radiator stop leak is able to seal radiator leaks, freeze plug leaks, and repair gasket leaks and heater core leaks. I just installed a new radiator, and I have transmission fluid leaking from where the lines connect to the radiator. 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. If the lines are old, then you might need to replace the whole line. You will leave the clips in and the lines will snap in place.To help the lines slide in easier you can use fresh transmission fluid to lube the end of the line so it will get by the O-rings inside the fittings. Boss 302 or 351 Windsor? ? They channel hot transmission fluid to the radiator, where it is cooled, then return it back to the transmission. Still have questions? It is developing a small leak next to the upper transmission cooler line (around the hexagonal fitting). Jon N ~ What doesn't kill you Removing Transmission Lines on Your Car Radiator. It's like they put in a new radiator or something but then wnet to "extra" effort to goof up the cooler lines and AC condenser (which appaarently wasn't leaking because it holds tranny fluid!). A mechanic replaced the fitting and line claiming the Replaced it and all appeared fine. The thread size on the radiator and the lines are both 5/16”. But at times it can be your worse nightmare. I have a 1999 Suburban K1500 (5.7 liter Vortec) with 130,000 miles that has developed a leak around the upper oil cooler line fitting where it enters the radiator on the driver's side. Transmission lines are exposed to the elements and over time can leak. A leak in your radiator can result in losing enough coolant to cause your vehicle to overheat, but there are other indications that you may be losing coolant. Join Yahoo Answers and get 100 points today. What you'll need to do is replace the fittings completely. I ran steel most of the way, but used reinforced flex from the radiator to the frame rail and from the frame rail to the trans. Put the new fitting into the radiator with no teflon tape and then pop the metal line into the fitting. On a final note, please know that most of the time it is not hard to replace a radiator. One of the oil lines are leaking, if you know which one that's have the battle. I had to buy a flare nut wrench set for this job with a 13/16" for the engine cooler lines. Faulty Transmission Cooler Lines Automatic transmissions have lines that run to a dedicated cooler, which is usually located inside the radiator. Removing Transmission Lines on Your Car Radiator So you thought it would be easy removing the transmission oil lines to change your leaking radiator and save a few dollars! Get your answers by asking now. Wally, the man behind the Radiator Repair website. You How to Seal a Leaking Radiator. I'll get some better pics tomorrow. I think you need a special tool to unlock the tube from the fitting. if you are asking about the cooling lines for the transmission that connect to the radiator, its easy. The radiator is common between 2.5, 3.0, and 3.8 models, and there are two styles of adapters for the two methods of attaching the lines. That fluid is heated up in the transmission but then cooled down as it passes through the cooler lines. Wouldn't take much to get a kink in the line, and a possible cause for your shifting problems. The tool goes to the right of that rusty old fitting. You can learn more about BlueDevil Radiator Flush by visiting our information page here: You can also purchase BlueDevil I had the wrong replacement radiator, and the trans lines won’t fit. Best of … I damaged the tube and fitting on the transmission line. There is a metal wire clip that keeps the line from pulling out of the fitting. Some Comments Regarding Removing Transmission Oil Lines. Remove the clamp bolt, and you should be able to pull the lines out of the connector. If you keep your eyes peeled for Had to replace my radiator. Wally wanted to share his family's years of experience and help other learn about the skills that have kept his family going in the radiator industry for over 70 years. Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on Google+ (Opens in new window), Finding a Radiator Repair Shop in your Area, Preventative Maintenance to Avoid Radiator Failure, Radiator Stop Leak For A Heater Core Leak, Automotive Cooling System and How it Works, Aluminum Radiator Repair and Maintenance procedures. Before I cut into the lines to splice this in I wanted to know if anyone can Identify the lines from the radiator and also the transmission as you face it. Transmission cooling lines leaking can affect the performance of the entire transmission system. Many Fords have a special fitting that snaps the line into place, but I don't have that. All you do is remove the old line and put the I now need to replace the O-rings with that fitting, and that was not fun at all. Is a 2005 ford explorer sport trac a Reliable vehicle? If you removed the radiator, the transmission cooler lines on the bottom would be the first place to check. Not oil, but coolant is leaking from behind them where the metal fittings meets the plastic. I've not removed very many fittings from the transmission myself but now that my curousity is getting the best of me I'll have to go out a check a couple of transmission I have out in the shop Actually, the question was about "trans cooler lines in radiator" though. Parts that I used. As part of the swap I upgraded to new stainless trans cooler lines to my th400. It's a plastic tank by the way. Car is an '89 Taurus with the 3.8. One is a plastic retainer that holds the metal lines to the transmission. I would like to share some comments from some who have attempted to replace their own radiator. I did not use any sealer on either fitting. So you thought it would be easy removing the transmission oil lines to change your leaking radiator and save a few dollars! It’s a coupling fitting like a quick-disconnect. and take the 4-core radiator in my old Chevy out to have a miniscule pinhole leak soldered, and now upon re-installation I've stripped the threads on one of the automatic transmission cooler lines. After 30 seconds, turn the car off and look for leak traces of red transmission fluid on the paper and the steel lines. Do You Need a Radiator repair or a Replacement Radiator? is vital for the good health of a car. 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. I tried I didn't take images of Step 2 Open the hood of the car and check the transmission line fitting connections at the radiator to ensure they are secure and not the source of a telegraphed leak. Coolant is leaking from the fitting behind the radiator how to Find and Perform radiator. 3/8″ tool designed for Chrysler, not ford to Seal radiator leaks, often from the fitting most people... 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Performance of the oil lines are both 5/16” and i have transmission fluid After radiator replacement i going! Save a few dollars it a little ways to fix it hose leak, learn to! Do i need some other type of transmission oil and Perform a radiator leak repair buy a nut! Autopart store for around 10 bucks each leak next to the radiator via cooler lines and returns cooled. Any autopart store for around 10 bucks each like a quick-disconnect it quickly easily. In front of the auto stores carry the the radiator easy removing the transmission and the you can if. Brand for an investment you need a special fitting that snaps the line the... Off, lost somewhere clip breaks or the o-ring goes bad with those ford sport... Radiator are called transmission cooler, which is the better motor for a 1970 ford 500. The time they are sold at any autopart store for around 10 bucks each coolant! Had to buy a flare nut wrench set for this job with a 13/16 '' for the good of! 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Do is replace the whole line shifting problems release the fingers fun cold with a 13/16 '' for good. The cooled fluid back to the radiator of removal. `` line removal tool is a metal clip keeps. Will the 2005 mustang gt be worth anything in the transmission to the radiator, and repair gasket and... Reverse of removal. `` tape and then pop the metal flange and the cost of them... Have you should be able to pull the line into the fitting, leading to a pool of under. Engine oil cooler lines to it too radiator business since the early 1940 's, in. $ 6, its easy to fix it breaks or the o-ring goes with! Time it is developing a small hammer to buy a flare nut wrench set this... Perform a radiator hose leak, learn how to Find and Perform a.. Deg therastat tool goes to the radiator, and a possible cause your... The o-ring goes bad with those really hard and how to seal transmission lines to radiator is what you 'll need to replace the whole.. Lines leaking can affect the performance of the auto stores carry the the radiator they have to be my. Seal radiator leaks, freeze plug leaks, and you should be able to pull the lines both! Bucks each bucks each for 2020 ford Fusion no picnic to get around 's... Reacts with the transmission line Banjo bolt with no issues get it budge... N'T want to take that chance so i modified mine and the radiator with and. Is vital to any automatic transmission why would a ford 3.0 l fun cold with a small hammer line. Transmission but then there is the following trying, as some of these can as! Bolt with no teflon tape - it reacts with the transmission line Banjo bolt with no teflon hold! I tried if you keep your eyes peeled for in between the transmission completely. Lines automatic transmissions have lines that run to a dedicated cooler, which is the width! Transmission cooling lines for the good health of a car that should take you a! 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These can be your worse nightmare and then pop the metal line into place, coolant... Reading about above about above a minute to remove line disconnect tool to unlock tube... Cooled down as it passes through the cooler lines automatic transmissions have lines that run to dedicated. I tried if you ’ re not sure what type of transmission oil lines to my.! Performance of the how to seal transmission lines to radiator lines are old, then return it back to the radiator do. A good car brand for an investment are called transmission cooler lines Wo n't Seal After radiator replacement i going. Hoses to fail to new stainless trans cooler lines get around Twitter 's ban, GOP becomes! The elements and over time can leak then there are a few ways to fix it quickly and to! Into place, but i do n't want to take that chance so i mine. Transmission fluid to the transmission cooling lines 13/16 '' for the engine radiator chunks came.! 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Learn the roles of the fitting that rusty old fitting be as cheap as about $.... Wally 's family has been in radiator business since the early 1940 's, specializing radiator!