Abstract: A system for cleaning radiator systems waste coolant, including a filter, a flush tank refinery, a source of cleansing chemical, a pump to circulate radiator coolant from the vehicle through the cleaning system back to the vehicle, a quick-connect conduit extending between the vehicle and the filter, a conduit extending from the filter to the flush tank refinery, a fill tank reservoir, a conduit with valve extending from the flush tank refinery to the fill tank reservoir, a quick-connect conduit with valve extending from the flush tank refinery to the vehicle, a conduit with valve extending from the fill tank reservoir and interconnecting with the quick-connect conduit extending from the flush tank refinery to the vehicle, a conduit with valve extending from the cleansing chemical source to the flush tank refinery, a source of basic chemical, a conduit extending from the source of basic chemical to the fill tank reservoir, a pH sensor in contact with a coolant conduit and a computer to regulate cleansing and