hey.i have a 98 grand am.temp gauge shot up to red on a short drive.pulled into lot checked anifreeze level,was nothing in tank that i could see.added full gallon,ran engine for a few,seemed fine drove home.next morning check again,level was low again.added 1/2 gallon more.let car warm up,seemed ok.pulled out of drive way,noticed steady stream following,thought it was over flow.pulled into street noticed steady drip from under car.how do i find promlem?not too auto inclined.can somebody help.have a newborn baby,not too much cash to spend on mech.