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Does anyone know where you can buy distilled water? I'm changing the coolant in my 95 WRX and have coolant to go in, but have read you can't use tap water to dilute it, any info would be great.
Depends how much its lost. i would put water in untill ye find the leak, fix it then drain it and put proper coolant in. they dont hold any more than 5 litres.
Its the Chlorine and other chemicals added to make it safe drinking water, no good for cooling system
i must have just been lucky then,as i have been driving since i was 13 years old(of road to start with).and i am now 38 and out of all the cars i have owned i have always filled up and topped up with tap water + antifreeze,never once have i had a problem with any of the coolant systems.
Nothing wrong with tap water. In areas where there is a high lime or chalk content you can block the screen washer jets and so on but unless you are adding water to your car engine every day, which you should not, then tap water is perfectly OK.