Hi Mr. Scotty, hope everything is well:-)

My coolant level is low and i want to refill the system with coolant& water mixture. Do I have to use destilled water in the cooling system?
Theres no leak.
It's a Ford fiesta 2015 modell, 1.0L.
Is it important to use destilled water is the system?

Comments
No. 1-2
Techsus
Techsus

I buy Distilled Water to mix my coolant to 50/50. A gallon of distilled water sets me back 82-cents. For less than a dollar I buy that much peace of mind.

ScottyKilmer
ScottyKilmer

Editor

it is better, but using normal water really doesn't hurt much. I often use it

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