VEVOR Radiator Vacuum Refill Kit, Automotives Cooling System Vacuum & Purge Fill Tool with Gauge, Portable Radiator Coolant Filling Kit with Toolbox, Universal Fit for Most Cars Vans SUVs and Trucks

Dear Customer, Thanks for your inquiry. No, the old fluid needs to be removed from the drain plug or drainpipe and blown clean with air. Our tools only allow vacuum filling.. Thanks for choosing vevor.