RADIATOR OVERFLOW IS TWO PIECES AND THE TOP IS GLUDED ON. IF VEHICLE OVERHEATS TOP OF PLASTIC RADIATOR OVERFLOW CONTAINER WILL EXPLODE SENDING BOILING ANTIFREEZE ONTO ANYONE IN VINCITY. THIS HAPPENED TODAY. DRIVER RAISED HOOD AN SAW COOLANT OVERFLOW BOTTLE SIDES WERE BULDGING AND AT THAT SAME INSTANT THE CONTAINER BLEW UP CAUSING SECOND DEGREE BURNS FROM FACE TO WAIST.