Cooling system

Remove radiator drain plug, remove top hose and heater hose, remove thermostat, flush block, radiator and heater core until water runs clear, fit a new thermostat and gasket, re fit hoses and drain plug, add correct coolant by ratio, check for this on the container of coolant, run with heater open until car reaches temp, and both heater hoses are hot to touch, check coolant level and allow to cool, re check level and fit radiator cap, drive till hot and check for leaks.