2003 SUBARU LEGACY Engine And Engine Coolingcooling System Problems

NOTICED THE SMELL OF COOLANT WHEN EXITING THE CAR AFTER DRIVING. I INVESTIGATED THIS AND FOUND A SMALL COOLANT LEAK COMING FROM THE BACK OF THE LEFT CYLINDER HEAD. THE CAR IS A 2003 SUBARU LEGACY GT W/ THE 2.5L ENGINE. I HAVE OWNED THE CAR SINCE NEW,AND HAD THE FIRST FEW SERVICES PERFORMED @ THE DEALER PURCHASED,AND EVEN HAD A TRANS RECALL REPAIR PERFORMED THERE AS WELL.THE CAR HAD AROUND 65000 MI. ON IT WHEN THE LEAK WAS FIRST NOTICED BY ME NOT THE DEALERSHIP,EVEN THOUGH IT IS A KNOWN ISSUE AS TOLD BY A SERVICE REP WHEN I QUESTIONED THEM ON IT. IT TOOK SEVERAL VISITS TO GET INFO FROM THEM ON THIS BECAUSE THEY "DIDNT WANT TO REVEAL TOO MUCH INFO" TO ME,THE CONSUMER.APPARENTLY IF SUBARUS COOLANT ADDITIVE WAS ADDED BEFORE 100,000 MI. AND DOCUMENTED @ A CERTIFIED SERVICE CENTER,SUBARU WOULD COVER THE BILL FOR A NEW...