As I type, trying not to get egg on the keyboard, Carbking is correct,, I chatted with my engineer/car buddy,, basically it is a mixture of the two, the electricity will add to the corrosiveness, but yes electrolysis happens without electric, becuase the disimmilar metals have a electron property within themselves,gaskets break the chain but the anti freeze (glycal or something) acts as an accelerant /bridge just as salt does for the passing of electrons,,or something like that,,,change the antifreeze, and ohm the coolant (Griffin) to be sure there isn't any faulty grounds, makes a happy cooling system,, it's always nice to know I learned something today,,mmmm,, back to work,, :.(
