Q: i put in coolant about a week ago it was low so i went to add more and noticed that it was pink and not the same color

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i put in 50/50 coolant clear with a light green tint and now it is pink whats the reason for that

My car has an automatic transmission.

Hello. There are also some Universal coolants which change color to match any coolant. However your coolant would change color if it’s blended with the wrong coolant type. I believe what happened is the coolant which came in your vehicle originally is a new coolant designed by Dodge which is organic and the 50/50 Universal coolant you put in is inorganic. If the two are mixed together it is recommended to flush the entire coolant system because they are not compatible. You may use the inorganic coolant if all of the organic fluid is flushed out .Please keep in mind that YourMechanic provides coolant system flushes. You can find more information about our coolant flushes here https://www.yourmechanic.com/services/cooling-system-flush

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