![]() Check out this informative article regarding the top reasons for vehicle overheating.Īn engine coolant also acts as a lubricating and protective agent for engine parts such as the water pump, head gasket, etc. The vehicle's cooling system is responsible for regulating this heat. Without an effective cooling system, a running engine can overheat and melt itself. A common material for modern engines, aluminum melts at 1,200 degrees Fahrenheit. This third translates to heat levels between 600 and 1,500 degrees Fahrenheit. Sometimes called antifreeze, a coolant helps reduce the heat of an active engine and helps prevent the freezing of an inactive one during frigid weather.įor reference, an active engine retains a third of the heat that it produces. Continue reading, and we will do our best to help you understand better.Īn engine coolant is a specially-formulated liquid solution that regulates the engine's temperature. ![]() You may be wondering what the differences are among these colors, and with good reason. Different Toyota models and variants use different colors of coolants. So what color/s of coolants does Toyota use? Here's what we found in our research.Īs of April 2022, Toyota uses five different colors of coolants, namely red, pink, blue, green, and clear. Toyota is one such brand, and its vehicle's manuals state the specific coolants recommended for each model and variant. Green coolant is the last thing that will harm a 5VZ's cooling system.Most car manufacturers develop their own engine coolants for their vehicle line-up. I used to be all for red coolant, but after using green on pretty much everything without issues, I don't feel like bothering with the hassle of spending big bucks on a harder to find coolant that makes no difference. Point is, either coolant is fine but if you've already got green why hassle flushing it all out? Recently we opened up a 1986 5.0 that had been run on green coolant all of its life and there was some corrosion and calcium build up but no where near serious and that's on a motor that's 29yrs old with God knows what kind of maintenance done on it if any. No water pump failures, no radiator failures, no thermostat failures. ![]() In all of the years I've been driving, of all of the hundreds of thousands of miles myself and my family have been driving, none of us have had a single issue with the green coolant and we never change it out. Avoid the hassle of potentially mixing the two coolants if you don't get all of the other stuff out. Wish I could help you more on the flush part of your question. Also, I have ONLY mixed DISTILLED water with the Toyota red. I have always drained the radiator, pull the hoses and let everything run out. ![]() To flush your coolant system, look around the forums. The red coolant isn't inexpensive but I think it is worth it. He said when they opened up the engines, there was a lot of corrosion on the engine with the green.and none with the red. He said they went to a training and they had two engines there: One had run the "green" off the shelf coolant and the other ran only Toyota red. I have a friend who is a Master Toyota Mechanic and I trust him. How many miles on your rig? I have ONLY used Toyota red coolant. I would just drain and fill when I felt like they needed it. I've never flushed coolant before in any of my cars. Is it best just to stick with the green stuff or swap to Toyota coolant? If I swap, is it necessary to flush the block of the green stuff? If so, what's the best way to do this? The previous owner had been using green coolant, which was quite clean considering it's been well over 2 years since it's been changed. I know I don't have to pull it for this, but I've decided to go with an external trans cooler, so might as well just get it out of the way. I'm going to pull my radiator as I'm in the process of doing my timing belt and water pump.
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