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. It's a plastic tank by the way. If the leaking fitting is a standard Jiffy-Tite removeable fitting you can replace just the fitting. 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. Hayden Automotive 397 Transmission Line Fitting … (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. Trans fluid in the radiator can really only have one cause, outside of someone accidentally pouring it in. 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. 5.0 out of 5 stars 1. My van just developed a leak in the past week or so. I looked underneath, and noticed that it was leaking oil from the front of the engine, and the transmission cooler lines were leaking. 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. Repair Fitting for 3/8" Transmission Line. Want Answer 0. If your truck is an automatic transmission, disconnect the oil cooler lines. 6. Frequently, they may get bent or broken during engine or radiator removal. 1996 GMC 2500 with 134k on it. Before attempting to remove, replace or rebuild the line, try to locate the source of the leak. 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. 7. Transmission Cooler Lines Hoses with Fittings Adapters For 06-10 Chevy GM GMC 6.6L Duramax Allison Transmission Lines Repair. Disconnect the transmission cooler lines at the radiator and drain the fluid into a drain pan. 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. Is there a washer or something that may need replacing inside the radiator? NOTE: Some … 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, … Leaks typically develop where the transmission lines connect to the transmission cooler/radiator. In my case (2001, E39, 540i) I replaced the O-ring at the junction of the cooler line with the radiator. Radiator was leaking when I got the truck. They typically resemble brake lines and are made of metal. No problem at all. Can someone confirm this? 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. Naturally, I just bought tools to do a transmission flush. Hi there. “Crimp fittings” is too vague. If you are leaking coolant from the line itself then you have coolant in your trans fluid. 5. You will likely crack the radiator. $107.99 $ 107. The image is looking through the grill at the lower driver's side. My truck appears to be leaking coolant from the transmission line connection to the radiator. Locate the transmission cooler hard lines that run into the radiator and inspect them for leaks. Feel free to contact our technical support line at 888-863-0426 with any other questions. The oil leak can develop to the point that all transmission fluid is lost. The hoses traveling from the transmission to the radiator are called transmission cooler lines. Called the … 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. If the leak is at the radiator fittings for the transmission cooling lines, the tube end may have debris or may be misshapen. Thread Size 18mm x 1.5 (male) to 1/2" Tube - Compression (female) NOTE: Some … that has developed a leak around the upper oil cooler line fitting where it enters the radiator on the driver's side. I believe it is a transmission coolant line, located in front of the lower half of the radiator. 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. The only tool you's need is a 10mm socket wrench, and a $2 replacement O-ring. Learn the roles of the transmission cooler lines, the symptoms of leaking, and the cost of replacing them. Designed to repair leaking cooler line located at the radiator in most 2002-up FORD Explorer / Trucks with metric threads into the radiator. I’ve had an aluminum aftermarket radiator in the car for the past three months and put on only ~500 miles on it. Making headway on my truck. I've had a leak going for a while on the transmission cooler line and have been putting off fixing it. Take the hassle out of plumbing your transmission lines with our selection of transmission line adapter fittings. 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. If the line unthreads from the radiator ok you should not need a line. One of the most obvious transmission cooler failure or blown transmission line symptoms is a leak. If so, is this an easy fix (just remove Been other threads on this issue, Only way to find out if you cant find the issue yourself is have someone look at it. 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. 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). 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. How difficult is it to replace? They channel hot transmission fluid to the radiator, where it is cooled, then return it back to the transmission. Hey, I have a k1500 GM pickup, and I recently got a new radiator drain plug because the old one was leaking a little. Around the upper oil cooler line and have been putting off fixing it removeable fitting you can replace just fitting!, Jan 8 oil, but coolant is another essential liquid that removes the heat. The entire transmission system, Male 1/4 in the metal fittings meets the.... 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