Leaks typically develop where the transmission lines connect to the transmission cooler/radiator. The transmission coolant is another essential liquid that removes the excess heat from the transmission fluid. NOTE: Some … The radiator is aluminum. 1996 GMC 2500 with 134k on it. Transmission fluid may leak between the radiator transmission oil cooler and the transmission oil cooler fitting (NOT the cooler line into the fitting), which may result in a residue of transmission fluid on the radiator tank around the transmission oil cooler fitting. I found a small amount under and around the skid plate when I went to change the oil today. $107.99 $ 107. 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. To do this, remove and slide back the secondary plastic clip on the line, attach the tool onto the line, push it into its fitting and then pull the line straight out of its connector. If so, is this an easy fix (just remove If the leak is at the radiator fittings for the transmission cooling lines, the tube end may have debris or may be misshapen. Is it supposed to have a gasket between the fittung and the tubing? After (finally!) My van just developed a leak in the past week or so. Hey, I have a k1500 GM pickup, and I recently got a new radiator drain plug because the old one was leaking a little. the typical connection is a flared end on the metal line, and a special male connection nut that presses the flared end against a gasket or ring on the inside of the radiator female connection. I've had a leak going for a while on the transmission cooler line and have been putting off fixing it. I have seen this problem with some fittings supplied with aftermarket radiators. A few ounces of transmission fluid seeped out from the radiator through the unused lower opening for the transmission cooler line’s compression fitting, causing me to panic. that has developed a leak around the upper oil cooler line fitting where it enters the radiator on the driver's side. This may be 5.0 out of 5 stars 1. My truck appears to be leaking coolant from the transmission line connection to the radiator. Want Answer 0. Got a new one, and now found that coolant is leaking from the oil/tranny cooling lines. Q: My oil cooling line keeps popping out of the radiator and getting oil all over the whole engine My car has 256876 miles. (Radiator has integrated transmission cooler) I’ve had an aluminum aftermarket radiator in the car for the past three months and put on only ~500 miles on it. tank will need to be taken off, & … Frequently, they may get bent or broken during engine or radiator removal. The oil leak can develop to the point that all transmission fluid is lost. If you are leaking engine coolant there, & that is not a threaded pipe fitting, or a machined threaded bung with an exterior gasket, /oring, that can be resealed externally, then it will be a 2 piece connector with the seal inside & the rad. Get it as soon as Fri, Jan 8. In my case (2001, E39, 540i) I replaced the O-ring at the junction of the cooler line with the radiator. Transmission Line Adapter Fittings, Rear Fitting, Female Quick Connect, Male 1/4 in. “Crimp fittings” is too vague. If the leak is between the line and the quick connect fitting then I suspect you have an issue with the fitting. The only tool you's need is a 10mm socket wrench, and a $2 replacement O-ring. If the leaking fitting is a standard Jiffy-Tite removeable fitting you can replace just the fitting. If your truck is an automatic transmission, disconnect the oil cooler lines. I looked underneath, and noticed that it was leaking oil from the front of the engine, and the transmission cooler lines were leaking. Before attempting to remove, replace or rebuild the line, try to locate the source of the leak. Hayden Automotive 397 Transmission Line Fitting … Whether you want to upgrade your OEM lines to aftermarket stainless steel or add a separate transmission cooler, we’ve got the transmission line adapter fittings to get the job done right. Take the hassle out of plumbing your transmission lines with our selection of transmission line adapter fittings. Making headway on my truck. You will not leak any anti-freeze because the fluids are not mixed. If the Snap-In fitting, item # D13035, or the OEM transmission line snap fitting is removed from the radiator on your 2006 Chevrolet Silverado, you will leak some transmission fluid that will need to be replaced. Is there a washer or something that may need replacing inside the radiator? Called the … ... use a spray penetrating oil for corroded fittings. And that fixed the problem. I originally thought the leak was coming from one of the fittings on the right side of the picture, but after cleaning it off it looks like it's coming from one of the fittings toward the radiator. Transmission cooling lines leaking can affect the performance of the entire transmission system. Transmission Cooler Fitting leaks I noticed my 72 Buick was leaking transmission fluid from the radiator fittings when I started it up again for the first time in a little. Learn the roles of the transmission cooler lines, the symptoms of leaking, and the cost of replacing them. If the line unthreads from the radiator ok you should not need a line. I noticed a small oil leak coming from my truck. In the lower tank of the radiator, there is usually a small loop of tubing that is connected to the transmission hydraulic system. Air in the line will just vent out. Hey guys, Thanks for all the previous help. Repair Fitting for 3/8" Transmission Line. The plastic clip that holds the line to the fitting at the radiator will not hold without leaking. One of the nicest things, was the shop put quick disconnect pressure fittings on the new lines, meaning I could separate the lines into pieces, snake the metal lines where they needed to go easily, then drop the other one down from the transmission radiator, … Is it the power steering hose or a transmission line.Honda does not usually attach power steering lines to the radiator, but the transmission cooler lines are attached to the bottom of the radiator. If the leak is indeed coming from a radiator hose, you would want to have that hose replaced asap, to prevent further issues from occurring. 7. The hoses traveling from the transmission to the radiator are called transmission cooler lines. FREE Shipping by Amazon. I believe it is a transmission coolant line, located in front of the lower half of the radiator. It is where the tranny fluid comes out of the radiator and heads back to the transmission. The only thing that should leak from the line is trans fluid. One of the most obvious transmission cooler failure or blown transmission line symptoms is a leak. Been other threads on this issue, Only way to find out if you cant find the issue yourself is have someone look at it. It's a plastic tank by the way. Trans fluid in the radiator can really only have one cause, outside of someone accidentally pouring it in. 2014 Silverado 1500, 5.3L max tow, 82000km (about 51k miles). If you are leaking coolant from the line itself then you have coolant in your trans fluid. Not oil, but coolant is leaking from behind them where the metal fittings meets the plastic. Step 5 - Remove radiator When a line leaks, there will be transmission fluid on the ground near where the leak is coming from. I just finished installing a radiator and new transmission cooling lines. Fuel line will deteriorate there. Engine and Transmission Warranty Claims If you are experiencing problems with an engine or transmission you purchased from Advance Auto Parts, please call (888) 286-6772, Monday through Friday, 8:00am - 5:30pm Eastern Time. They channel hot transmission fluid to the radiator, where it is cooled, then return it back to the transmission. Transmission coolant line is not the same as fuel line. You will likely crack the radiator. Look at your cooling lines running to the radiator for splits and check that they are tight, My 2007 VZ wagon had automatic transmission replaced at 15,000km (warranty) due to oil leaks at the front. Mercedes-Benz cars equipped with a 7-Speed automatic transmission may leak transmission fluid from the O rings fittings. My car has an automatic transmission. Hi there. 5. Can someone confirm this? Disconnect the transmission cooler lines at the radiator and drain the fluid into a drain pan. Thread Size 18mm x 1.5 (male) to 1/2" Tube - Compression (female) NOTE: Some … NPT, Steel, Chevrolet, 4L80E, Each Part Number: ADO-24233367 Not Yet Reviewed I also did not tighten then really tight because it felt like I was about to strip out the radiator. There is an o-ring in the female quick connect fitting on the radiator and you want to be sure the o-ring is present, is the correct size, and is new (re-using the old o-ring will create a leak). Repair Fitting for 1/2" Transmission Line. Transmission Cooler Fittings leaking I noticed my 72 Buick was leaking transmission fluid from the radiator fittings when I started it up again for the first time in a little. if fluid can leak past the flared end pressed up against the radiator, it can leak out both through the threads, or between the line and the special nut. The image is looking through the grill at the lower driver's side. detaching the line from the radiator, I used 2 black rubber plugs to help slow down the transmission fluid from coming out of the lines. Only 12 left in stock - order soon. Designed to repair leaking cooler line located at the radiator in most 2002-up FORD Explorer / Trucks with metric threads into the radiator. If you are talking about the fitting in the radiator, do not try to tighten. I let it warm up and saw coolant leaking from this fitting. A mechanic replaced the fitting and line claiming the the line had a pinhole in it but it is still leaking. How to fix a leak in the transmission line at the radiator? Locate the transmission cooler hard lines that run into the radiator and inspect them for leaks. If you simply notice that a line is leaking, that can be a simple fix depending on the location of the leak and line … Feel free to contact our technical support line at 888-863-0426 with any other questions. I’ve had an aluminum aftermarket radiator in the car for the past three months and put on only ~500 miles on it. No problem at all. Transmission Cooler Lines Hoses with Fittings Adapters For 06-10 Chevy GM GMC 6.6L Duramax Allison Transmission Lines Repair. They typically resemble brake lines and are made of metal. Thread Size 18mm x 1.5 (male) to 3/8" Tube - Compression (female). I did put some teflon tape on the ends of the fittings. 99. Radiator was leaking when I got the truck. Naturally, I just bought tools to do a transmission flush. How difficult is it to replace? Posted by Tommy Gene Locklear on May 05, 2012. 6. Designed to replace leaking cooler line fitting located at the radiator in 2002-up FORD Explorer / Trucks with metric threads into the radiator. Do not try to locate the transmission coolant line, located in of. While on the transmission i have seen this problem with some fittings supplied with aftermarket radiators questions... 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