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Can I Mix Coolant With Tap Water? [Solved]

No, you should use distilled water or better yet, de-ionized water. The reason for this is that tap water has minerals that can deform deposits inside the radiator and the cooling system passages of your engine. And over a long period of time they can lead to over-heating.18 Oct 2012

CARCHEX Asks: Can You Mix Tap Water with Engine Coolant?

Headquartered in Hunt Valley, Md., CARCHEX is the premier provider of Extended Vehicle Protection and Mobile Vehicle …

Can You Mix Tap Water With Anti-Freeze (Coolant)? - CRP Automotive

Is it okay to use

Can we use tap water instead of antifreeze coolant in the car engine? Calcium deposits in pipes

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