I came here specifically to check on this issue before adding to my neighbor’s coolant reservoir. I figured it had been flushed basically from the water I put in it. I got home, my FIL who informed to get orange stated it was green and I did not need to put green in it. Now I have had a new water pump put in, and I went to the store to purchase coolant, and the gut said the colors didn’t make a difference, but told me the one I was purchasing was orange. Prior to this issue it had orange coolant in it, but again I began putting water in it for about two weeks that leaked right out. Since it became to leak daily, sometimes twice a day, I began putting water in it, because I couldn’t afford to continue adding coolant and it leak out. Reason I ask, I have a Jeep GC Leredo (horrible car, I would only recommend to those big trucks that crush cars) and the water pump was going bad, and the coolant was leaking, and I had to wait about a two weeks to have it repaired. When you state it is bad to mix them, do you mean mix as in “I have a container of orange, and a container of green, and I mix them together and put them in the vehicle?” Or “The vehicle has orange in it, but I bought more and it was green, and I added it in.” Posted in : Coolant, Cooling System Tagged : coolant dexcool green coolant mixing coolant orange coolant It is better to take care of the problem before it gets much worse. Failure to perform this flushing can, and often does, lead to engine failure and costly repairs. This is the only way to be sure that the system is clean and not at risk. If mixing happens, it is best to have the entire system flushed before driving the vehicle. The engine itself will encounter major damage.Īs you can see, mixing the two is not a good idea. In severe cases, head gaskets can blow, and heads may warp. The water pump may overheat and stop working. As the coolant stops flowing, other problems can occur as well such as happens with radiators, water jackets, and even heater cores. When mixed together they can form a thick, jelly-like substance that can completely stop all coolant flow which can lead to overheating. The two coolants should never be mixed together as they do not react well. This is a mistake and can lead to expensive repairs. Some people believe that they can mix the two. OAT coolants use organic acids in order to prevent corrosion.
These were created for newer vehicles that had more nylon and aluminum parts in them. The orange coolants are organic acid technologies (OAT). There are some IAT coolants that use propylene glycol instead of ethylene glycol.
This helps to protect the metals that are in the vehicle’s cooling systems from becoming corroded.
With this type of coolant, phosphates along with silicates are added to ethylene glycol. The green coolant is an inorganic additive technology (IAT). Today, there are two: The green coolant and the orange colored coolant, which is also known as Dexcool. In the past, there was only one kind of coolant (anti-freeze) and that was the green liquid. Vehicle engines require coolants to keep them from overheating.
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