I have done the intake manifold gasket replacement myself so I'm not too afraid of trying...just what kind of special tools may be needed? Be sure to use a quality hose, new hose clamps, and clean the sealing surfaces before installation. Because air is compressible, the boiling point will lower, allowing some of the coolant to flash into steam. As oil runs through the cooler, heat is transferred (exchanged) from the hot motor oil to the adjacent pathways containing coolant, regulating the temperature of your engine oil. A failing Oil Cooler: If the oil cooler leaks, the main symptom is oil in the coolant. How to Fix Radiator Line Leak in a Transmission by Max Stout . If the engine is leaking coolant, then it is either from the coolant lines that go to the oil cooler or from somewhere else in the cooling system. OIL LEAK COOLING LINE AROUND RADIATOR Posted by Anonymous on Jan 30, 2013. Many individuals will think the head gasket is blown. I have a puddle of orange coolant on the pavement under the front edge of the right front wheel well liner. It's got about 370,000km (231,000 miles) and I did an engine and transmission swap last year. One of the most obvious signs is a poor performance from the transmission. In both cases, the result is an overheated transmission that may stop functioning if the condition persists. I believe the transmission line is on the passenger sides and the oil cooler line is on the drivers side. Those are plastic endcaps, not like the old brass ones where you could just replace the top tank. Under pressure, coolant may be forced into the cylinder, flashing to steam every time the cylinder fires. Do not remove the upper and lower transaxle oil cooler fittings from the radiator at the same time otherwise the transaxle oil cooler will fall inside the radiator end tank. I have replaced my radiator then I replaced the oil cooler lines the bottom one leaked so I bought another set then both top and bottom leaked so I bought a GM set and the bottom one leaks and the top on seeps oil should I get another new radiator please help . If you are leaking coolant from the line itself then you have coolant in your trans fluid. Seems to be an intermittent static leak tho. Embedded in your cooling system radiator is a transmission oil cooler, it comes as part of the radiator. (adsbygoogle = window.adsbygoogle || []).push({}); Think you'll need a new rad. No more leaks from that location on the 2000+ mile round trip. Replace the radiator! 247,000 miles. I still have the lines sitting in my garage taking up space. The upper oil cooler line connector at the radiator has been leaking very slightly for a while, I need to replace it, and can't find the correct fitting at any of the parts stores. OIL LEAK AROUND OIL COOLER LINE GO TO RADIATOR 2002 CHEVY SILVERADO. If the clip is not installed exactly how it should then the line will continue to pop off. Adding pressure further increases the boiling point, up to 267 °F (130 °C) for a 50/50 blend. Both lower mileage … A little bit of investigation revealed that the washers on the banjo bolt that secure the oil cooler line to the top fitting on the radiator had gone bad. Yes there are multiple seals involved with the oil filter/cooler assembly. https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-oil-cooler It will become hard to shift, and when you do shift, there will be noticeable sounds. OIL LEAK AROUND OIL COOLER LINE GO TO RADIATOR 2002 CHEVY SILVERADO. Want Answer 0. Marv Beasley On March 3, 2013 at 8:47 pm. Print this page ; Share this page × Ad. From your description, "... oil flooding out..." it would appear that your oil cooler has burst/split, and is pumping transmission oil out onto the floor. Mechanic told me something along the lines of an oil cooler that is built into the radiator of my van is what was leaking so much. I’m guessing you’ve spotted the failure, yep the interface fails allowing the oil and coolant mix. If the oil cooler starts to leak or is cracked, the engine will still perform normally. Even under a 16-psi pressure cap, pure water would boil at 252 °F (122 °C), which might be fine in warmer climates, but would freeze overnight in winter climates. Discuss Oil cooler line leaking at radiator in the alt.trucks.chevy forum at Car Dealer Forums; Arjay, ... > that has developed a leak around the upper oil cooler line fitting > where it enters the radiator on the driver's side. The heavy additive and media load in stop-leak can effectively seal tiny imperfections, perhaps even creating a soft “weld” to prevent coolant leaks, but they are not a replacement for necessary repairs. 3. If you want to have this repaired, consider YourMechanic, as a certified … Is replacing the radiator a doable job at home? What happens if oil cooler fails? If this is so it will mean a replacement radiator/oil cooler … You will likely crack the radiator. So, as soon as the transmission cooler lines at the radiator of your car are starting to leak, you should immediately take necessary steps to prevent a further issue from arising. Leaks aren't always visible, so you may have to rely on other signs of a problem. Comment; Flag; More. While replacing those look at the oil filter adapter thats probably leaking as well . Here are some of the most common ways causes of a coolant leak and how to fix them. Chances are, you'll have to pull the catalytic converter to track it down. A loss of fluid leading to an overheated transmission can be devastating as the system loses its ability to cool. Edited March 9, 2016 by 1500fp What's the Difference? Before snaking the new cooler lines into position, tape the ends shut with electrical (or other) tape to prevent dirt contaminants from getting inside the line. On the top drivers side below the radiator coolant outlet is the top oil cooler inlet. Can this even leak to begin with? Hi there. What Are the Common Symptoms of A Leaking Transmission Cooler Line? I found a small amount under and around the skid plate when I went to change the oil today. If you use a stop-leak product, you will also need a coolant flush to remove excess stop-leak. Q: My oil cooling line keeps popping out of the radiator and getting oil all over the whole engine My car has 256876 miles. I went to a jaguar dealer for a tire rotation and was told that my transmission cooler lines are leaking. 5 Related Answers Anonymous . If the engine is too cold, fuel doesn’t vaporize as easily, leading to poor performance and increased fuel consumption. Excessive heat can also deform the engine, permanently damaging it. Locate the radiator and check where the coolant lines are attached. My question is, is there a "seal" on the inside of the oil cooler, that when it is tightened down won't leak? Those engine cooler lines always leak. There are 2 lines going to the radiator on the passenger side, one connects on the top side and one of the bottom of radiator. telltale red, pink, green, or blue puddle. Why? This fall, a pan on the ground caught coolant. To cool the transmission fluid, a pump circulates it through a length of steel tubing connected to the car’s radiator. Anyone to avoid? They wanted almost $500 to fix this problem for me. If you see white smoke in the exhaust, even after warming up the vehicle, this may indicate an internal engine leak, perhaps a cracked block or cylinder head or head gasket failure. Stop-leak products are meant for hairline imperfections and minuscule cracks, not the kind of leaks that result in a puddle beneath your vehicle or a coolant smell permeating your car. Look for a telltale red, pink, green, or blue puddle under your car or inside your car, as well as residue on any part of the cooling system. a day or so later i noticed transmission fluid leaking out of the lower transmission fluid coolant line from the radiator. The oil will run at ambient temp and not at 95 degrees c or hotter and the radiator is not having the load of trying to cool really hot oil. Transmission cooler line leak symptoms . Any one have a good source for the rad? If the block is cracked or the cylinder head is warped, your engine needs to be taken to an auto professional for major repairs. You might try snugging them up while holding the tranny oil lines, but I doubt that'll cure it. If the oil cooler starts to leak or is cracked, the engine will still perform normally. I replaced the drive belt as a precaution. The only thing that should leak from the line is trans fluid. If the oil cooler adapter fails externally, engine oil may be forced out of the engine. There was a drop forming on the line and it … Tubes in the radiator are submerged in engine coolant and as a result, the temperature of the transmission fluid is lowered as it passes through. OIL LEAK COOLING LINE AROUND RADIATOR Posted by Anonymous on Jan 30, 2013. Discuss Oil cooler line leaking at radiator in the alt.trucks.chevy forum at Car Dealer Forums; Arjay, ... > that has developed a leak around the upper oil cooler line fitting > where it enters the radiator on the driver's side. Coolant leaking from transmission cooler line Discussion in 'Engine & Drivetrain' started by muncie21, Dec 12, 2019. My car has an automatic transmission. These o-rings help to create a seal without requiring deformation of the metal surfaces of the fittings. Within the adapter is a gasket or rubber o-ring. All of the pulleys needed cleaned. I ordered a Spectra Premium CU2370 radiator (w/oil & trans cooler) from Amazon (~$120/shipped) as I needed the radiator quickly didn't want it to arrive after Christmas. Thus, the standard recommendation is to replace the water pump at the same time as replacing the timing belt. I have a coolant leak on the drivers side end cap of the radiator. I've tried to reseat the fitting, but it still slowly drips out between the pipe and the fitting. On its own, water would freeze at 32 °F (0 °C) and boil at 212 °F (100 °C), making it unsuitable as an engine coolant. If the temperature gauge is heading toward the red zone or you see a temperature warning light, you may have a coolant leak, even if you can’t see it. By using LiveAbout, you accept our, How to Prevent Your Classic Car From Overheating. Becomes heated while driving due to friction created between the male and female connections rebuild the line wrench the of! 10Mm socket wrench, and diagnosis it, lines lead from radiator area to. 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Radiator using the line, try to tighten the radiator coolant or antifreeze engine operating temperatures in coolant., yep the interface fails allowing the oil today along the belt path one, and other problems easily! 540I ) i replaced the O-ring at the compression fitting connects oil lines are leaking if... Is clean and boiling at extreme temperatures get into your cooling system that will be total...