Posted 10/8/2008 10:09 (#477650 - in reply to #476922) Subject: Chances are a previous owner did a bubblegum/baling wire repair..
Kittitas Co. Wa. State
Previous owner probably had a leak so poured in Bar's stop leak or some such gunk which only succeeds in plugging the inside lines.
It's a pita but pulling the radiator, taking it to a good radiator shop so they can rod out and patch the holes is the very best way of permenently fixing the radiator.