Draper 23257- Expert Quality, block or combustion leak tester for determining if CO2 is present in a vehicle's cooling system. CO2 in the cooling system can indicate a head gasket leak, cracked block or a warped head, etc.
Simple to operate by adding blue detector fluid to the tester and placing tester onto the radiator; air is drawn through the liquid which will change colour to yellow if CO2 is present.
Can be used in conjunction with a cone adaptor or an adaptor within the Draper Radiator Pressure Test Kit. Supplied with detector fluid.
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