VEHICLE HEATS UP AND CAUSES WATER HOSES TO OVER HEAT AND BUST UP. THIS CAN CAUSE A SERIOUS BURN INJURY. APPARENTLY THIS IS A PROBLEM CAUSES BECAUSE OF THE HEAD GASKETS THAT WERE USED.THE GASKETS GET DAMAGED AND START CAUSING THE LINES TO FILL UP WITH AIR CAUSING ALOT OF PRESSURE TO.MOTOR AND THEN OVER HEATS.ALL THE LINES THAT BRING WATER TO THE MOTER BUSTED AND VEHICLE WASNT EVEN SHOWING TO BE HOT. VEHICLE STILL WORKS BUT CANT BE USED BECAUSE IT OVERHEATS. LINES WERE REPLACED TWICE BUT WILL BUST IF TRUCK IS TURNED ON . HAVE READ ONLINE THAT THIS HAS HAPPENED TO SEVEREL OWNERS BUT NOTHING HAS BEEN DONE. HAVE ALSO XONTACTED CHEVROLET BUT THEY SAID THEY CANT DO ANYTHING YET. WE WERE ON EXPRESSWAY GOING HOME