Corrosion can eventually lead to radiators leaking water, as sludge collects within the device to form holes on their surface, and cause them to rot from the inside out. Such blemishes are commonly known as pinhole leaks.
There are a few means to tend to a radiator leaking water as a result of corrosion, some with a more lasting effect than others. Our blog, How To Fix A Leaky Radiator, details the measures you can take.