![]() Question 2: How does this affect the various warranties? I have the (I forget what it's called - gold?) extended thing warranty and then the Subaru main 7-year / 100,000 mile thing. I am wondering how imperative the consensus on this forum thinks it might be to go get this flushed and replaced with 100% Subaru required blue coolant. Question 1: The blue color of the coolant that shows in the coolant reservoir has not changed after the "slight" amount of this non-Subaru coolant I have added. The company later sold the technology to Prestone, who has been using it. Klimov and was first developed by the company Supertech in 1975. The yellow antifreeze was invented by a Russian chemist named A.G. It is also used in the cooling system of boats. ![]() Motorcraft Coolant composition and ingredients are carefully designed to provide optimum protection against corrosion, overheating, and freezing. The yellow antifreeze is a liquid antifreeze that is used in the cooling system of cars. This means that pink coolants have a longer lifespan and don’t require frequent changing like green coolants do. Motorcraft Coolant and Prestone both have unique formulations that contribute to their effectiveness in maintaining engine performance. It’s typically made up of Organic Acid Technology (OAT), while green coolant uses Inorganic Additive Technology (IAT). My written logbook, and a guess at the cylindrical volume of the coolant reservoir, tells me that I've added perhaps 1 - 1.5 cubic inch of this yellow AutoZone coolant, as well as an equal amount of distilled water. Firstly, pink coolant contains a different chemical makeup than green coolant. A rusty color indicates that the rust inhibitor in the coolant has. What I had up in the cabinet was AutoZone 'Universal' 'Mix With Any Color Antifreeze' 'Extended Life' 'Antifreeze & Coolant' 'For up to 5 years/150,000 Miles'. Lift the hood of a new Ford vehicle and you’re likely to see a yellow coolant in the overflow jug and an interesting label on it. The color of healthy engine coolant is green (for ethylene glycol) or orange (for Dexcool). What?! I have had to add coolant since I bought this 6 months and ~3100 miles ago. )īut then I looked down to coolant, and to my horror I saw: " Engine coolant: Subaru Super Coolant long life coolant. I got that spec from: 2017 Subaru maintenance schedule and new car break-in period. ( I took my 2017 Outback 2.5i in for oil to Jiffy Lube. If the green-colored engine coolant is thoroughly flushed out of the cooling system and then the system is filled with yellow-colored engine coolant, the service maintenance (change-out) intervals of the yellow-colored engine coolant can be followed.
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