COMPLAINED OF KNOCKING SOUND ON PASSENGER SIDE FROM PURCHASE DATE. DEALER UNABLE TO FIND PROBLEM. COULD ONLY HEAR IT WHILE VEHICLE IN MOTION. SOUNDED LIKE HAMMER TAPPING ON PASSENGER FLOOR. PASSENGER SIDE SUSPENSION CAME APART WHILE VEHICLE TRAVELING ON HWY. DRIVER COULD NOT MAINTAIN CONTROL TRUCK STEERED OFF ROAD INTO GULLY. TOTAL LOSS. *AK