![]() ![]() For a professional test, purchase a coolant system pressure tester. Be cautious when looking under your vehicle, as your radiator leak may be spraying hot radiator fluid. The bearings will then soon go out and dump coolant. Usually the coolant coming out the weep hole is the indicator warning the internal waterpump seals are shot and coolant is now hitting the waterpump bearings. You may have to inspect your radiator on all sides to find the source of the leak. Also if the waterpump is original and you have over 125K, its likely at end-of-life. Do not mix two different types of coolant/ antifreeze. A leaking radiator may be hissing, dripping or spraying coolant.While it is okay to switch to a new coolant, here are a few points to keep in mind: Note When You Switch to a New Coolant/ Antifreeze This article will analyze Mopar coolant as equivalents in these two categories. Chrysler specified HOAT coolant, which if I recall correctly, stands for Hybrid Organic Acid Technology. But, are there any equivalent options to Mopar? Mopar is a famous coolant/antifreeze brand used across the board. However, OAT and HOAT are more popular these days. It does this by ensuring that the cooling system does not freeze when it is cold and removes excess heat that can cause corrosion.Ĭoolants are classified into three main types: IAT, OAT, and HOAT. If there is an alternative, please list it thanks.Coolant, also known as antifreeze, protects your engine from effects of extreme temperature. I am just replacing the radiator, SOO, do i really need to do a flush since the fluid is still good? can i just put the radiator back in and top it off 50/50 with OAT (which is what is required).Īlso is there an alternative to the MOPAR OAT or do I need to specifically buy MOPAR. i am a little bad at reading like dyslesic and cannot properly read things correctly unless they are written like for a 3 year old THEN since there is 1.5 gal left of clear water and the rad takes 3 gal, put in 1.5 gal of concentrate in radiator? put in concentrate and water 50/50 in overflow tank to level mark?ĭid i get it right, if i am not write, instead of replying where i am not write, please rewrite entire post i wrote with corrections. Second, antifreeze has a lower freezing point than water, which keeps it in. Low coolant levels can lead to overheating, which can damage your engine. First, it is circulated throughout the engine to the radiator to keep your engine at a stable operating temperature. So drain radiator, pull out overflow tank drainįill with 1 gal of distilled water, close cap, run 5 minutes, drain, pull overflow tank, drainīasically repeat until water comes out clear Your engine coolant, also called antifreeze, serves several purposes. ![]() I am replacing the radiator and thermo (might as well) because the rad has a leak on the drivers seam. Ok so please tell me where i am not correct. ![]() The only reason I noticed this is because I just finished up swapping engine oil and front and rear diff fluids. Replace your coolant while you are doing this. The water pump, Lower hose and 2 clamps are available everywhere and not expensive. The metal coolant tube is pictured in the instructions at the bottom. I don't have any over heating issues, no shifting issues, nada. To be safe replace the Lower radiator hose, metal coolant tube and the water pump. The other pic you'll see some pinkish stuff, it was worse than this because there was quite a crud of crusty build up and it wiped all that off (circled part of the image, it was a nice build up, kinda like an ant hiil)īacking up, I noticed that the hoses and everything have white lines to where they connect everywhere because I guess the tech needed to mark everything so he or she could put everything back correctly (actually it's all over the engine bay) when they replaced the sensor in the back of the block. The one pick shows the overflow tank extremely low, normal? The other pic is hard to see but its some build up, not sure if it's been there all it's life or what from standing in front of the jeep on the drivers side taking the pic. So I noticed this today, pinkish purplish crust build up. The only time it went to the dealer was for the oil pressure sending sensor which is in the back of the block that needed to be replaced, there was a TSB on the 13s and 14s and that really sucked see your oil pressure at 99 psi all the time. It currently has 39k miles, yah I know I don't drive much lol. ![]()
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