Flush your radiator if you've determined that ... Mix any new, undiluted antifreeze 50/50 with distilled water. Top off your coolant if it's low but hasn't gone bad. Pour coolant into the radiator ...
Coolant or antifreeze is one of the most important fluids for keeping your engine healthy. We explain what it is and why it’s essential for you to use it. AS ITS NAME SUGGESTS, antifreeze is ...