THE VEHICLE WAS BEING DRIVEN ON A WINDING COUNTRY ROAD AT SPEED ABOUT 35 MPH. THE LEFT REAR WHEEL BEGAN TO WOBBLE AND CAUSED THE CAR TO FISH TAIL. DRIVER ATTEMPTED TO KEEP VEHICLE ON THE ROAD BUT RAN OFF SIDE TWICE BEFORE LEFT WHEEL TOTALLY FELL ON SIDE AND VEHICLE CAME TO STOP. VEHICLE ON SIDE OF FAILURE NEVER LEFT ROADWAY OR HIT CURB ETC BUT CAR SEVERELY DAMAGED. FAILURE FROM REAR LEFT SUSPENSION BOLT PULLING THROUGH UPPER CONTROL ARM HOLES (STAMPED METAL BRACE).*AK