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Orange vs green coolant8/27/2023 ![]() ![]() It may read, ‘Do not use orange or yellow coolant’. On most Ford models, when you pop the hood and look at the coolant reservoir, you’ll see instructions written on it. Before we start our review of Ford Orange vs Gold Coolant, we need to get over one thing. One can also use the good old fashioned short-life green stuff and replace it more often. Color is often used to differentiate them as well as improve your leak-proofing ability. A complaint has been filed against Prestone for misleading advertising in the use of the word "universal". "yellow stuff") instead which is a hybrid organic acid technology product not based on 2-ethyl-hexanoic acid. Use the Zerex G-05 long-life (Ford specification WSS-M97B51-A1, A.K.A. We can find them in say, purple, blue, green, yellow or orange in the market. The automotive coolants come in a range of colours. The coolant reduces wear and tear, corrosion thereby checking the damage to the engine block. That killed the OAT coolant idea for Ford". It plays an important role in making sure that your car’s engine cooling system is working well. Ford also saw similar issues with other gasket materials. Softening (and the resulting distortion) was reported by Ford, which encountered gasket leakage problems when it tested a DexCool type formula on its V8 engines. From the August 2004 issue of Motor magazine: "All DexCool-approved coolants to date use two organic acid rust/corrosion inhibitors, one called sebacate, the other called 2-EHA (which stands for 2-ethyl hexanoic acid).The rust inhibitor 2-EHA poses another issue: It's a plasticizer (softens plastic), so it has been blamed for coolant passage gasket leakage. The Prestone "Long-Life (5yr 150,000mi)" coolant contains sodium 2-ethyl hexanoate according to the bottle, which is probably the salt formed from mixing 2-ethyl-hexanoic acid with sodium hydroxide base. This is an Organic Acid Technology (OAT) coolant. In a nutshell, green coolant is used mainly for older cars, those models older than the 2000s era, or cars that passed a certain mileage. "Do not use Prestone universal in any Taurus. Carboxylates only interact with metal surfaces that require protection. I was doing a cooling system repair on a Taurus today and had to look up which coolant it was supposed to have (apparently "mud" isn't a color) and ran across this on a Taurus forum. This type of coolant features carboxylates, which is great at anti-corrosion and prolonging the lifespan of an engine. ![]()
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