Coolant Concentration Problem In Daihatsu Coure?


New Member
i have Daihatsu Coure 07 model.It uses Ethylene Glycol based anti freezing solution as coolant. My driver added water in it. now it is of light pink color. although after driving a while it did not evaporate but its concentration is disturbed.

what is effect of this concentration on engine?
what should i do now?