Reply: You must thoroughly clean the area from the radiator that has a wire brush to remove any Grime rust or paint. In addition, solder may be used together with other components which include steel or brass and can be utilized on other surfaces for instance cast iron or aluminum https://deangkmnn.blogozz.com/26958302/not-known-facts-about-types-of-solder-to-use-on-aluminum-radiator