BUICK ROADMASTER SEDAN TRAVELING AT 30 MPH ON A CLEAR DRY DAY ON A PAVED SMOOTH ROAD AROUND A CURVE, THE LOWER BALL JOINT SEVERED CAUSING THE VEHICLE TO VEER OFF THE ROAD INTO A LARGE YARD. THE BALL JOINT WAS FROM A FOREIGN MANUFACTURER. AS A RESULT, ALL FOUR BALL JOINTS WERE REPLACED WITH HIGH QUALITY PARTS AT AN INDEPENDENT REPAIR FACILITY. GENERAL MOTORS DEALERSHIP WOULD NOT HONOR PROBLEM OR POSSIBLE RECALL ON BALL JOINT UNIT. *TR