WHILE DRIVING ON THE HIGHWAY SUDDENLY THERE WAS A POP AND THEN A BANGING NOISE. CONSUMER IMMEDIATELY PULLED OFF THE HIGHWAY, LIFTED THE HOOD, AND SAW FLAMES COMING FROM THE ENGINE COMPARTMENT. CONSUMER EXTINGUISHED THE FIRE WITH A GALLON OF WATER. VEHICLE WAS TOWED TO A MECHANIC, WHO DETERMINED THAT ENGINE ROD BEARING DROPPED, AND BLEW A HOLE IN THE SIDE OF THE ENGINE BLOCK, THE SIZE OF A MAN'S FIST. *AK AN OIL CHANGE WAS DONE ON THE CAR A WEEK PRIOR TO THE FAILURE. *NM