TL*THE CONTACT OWNED A 2000 CHEVROLET BLAZER. WHILE DRIVING APPROXIMATELY 55 MPH THE STEERING WHEEL BECAME VERY STIFF. WHILE COMPENSATING FOR THE STIFF STEERING THE VEHICLE WAS INVOLVED IN A ROLLOVER CRASH IN WHICH THE AIR BAGS DID NOT DEPLOY. THE CONTACT WAS INJURED. A POLICE REPORT WAS FILED. SHE WAS TAKEN BY HELICOPTER TO THE HOSPITAL. THE VEHICLE WAS TOWED AND WAS NEVER EXAMINED TO DETERMINE THE CAUSE OF FAILURE. THE FAILURE AND CURRENT MILEAGES WERE 120,000.