2001 Hyundai Sonata recalls and problems

IN A LETTER DATED APRIL 14, 2009, HYUNDAI-KIA AMERICA TECHNICAL CENTER, INC (HYUNDAI) NOTIFIED NHTSA THAT HYUNDAIIS CONDUCTING A SAFETY RECALL OF MODEL YEAR (MY) 1999 THROUGH 2004 HYUNDAI SONATA VEHICLES MANUFACTURED PRIOR TO NOVEMBER 20, 2003 THAT ARE REGISTERED AND OPERATED IN THE FOLLOWING SALT BELT STATES AND THE DISTRICT OF COLUMBIA: CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WEST VIRGINIA, AND WISCONSIN.HYUNDAI IS RECALLING THE VEHICLES TO REMEDY A CONDITION WHERE INTERNAL CORROSION OF THE FRONT SUBFRAME MAY LEAD TO SEPARATION OF THE LOWER CONTROL ARM AT THE FORWARD MOUNTING POINT AND/OR SEPARATION OF THE AXLE FROM THE TRANSAXLE.THIS COULD RESULT IN A LOSS OF VEHICLE CONTROL AND/OR VEHICLE DISABLEMENT. THE SUBFRAMES WILL BE INSPECTED IN THE RECALLED VEHICLES USING A PROCEDURE DEVELOPED BY HYUNDAI TO MEASURE METAL THICKNESS.PARTS WITH PERFORATIONS FROM CORROSION OR WITH METAL BELOW THE SPECIFIED THICKNESS WILL BE REPLACED WITH REDESIGNED SUBFRAMES.IF THE MINIMUM METAL THICKNESS IS MET, DRAINAGE HOLES AND RUST PROOFING MATERIAL WILL BE ADDED TO THE EXISTING SUBFRAME. ODI'S ANALYSIS OF COMPLAINT DATA REVEALED THAT 98% OF THE CONSUMER COMPLAINTS WERE FROM VEHICLES EITHER ORIGINALLY SOLD OR OPERATED IN SALTBELT STATES. SIMILARLY 99.7% OF THE WARRANTY CLAIMS WERE FROM VEHICLES ORIGINALLY SOLD OR OPERATED IN SALTBELT STATES.ODI IDE…

THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED PRELIMINARY EVALUATION, PE08-029, ON APRIL 22, 2008, BASED ON 40 CONSUMER COMPLAINTS ALLEGING FRONT SUB-FRAME CORROSION IN MODEL YEAR (MY) 1999 THROUGH 2002 HYUNDAI SONATA VEHICLES.COMPLAINTS DESCRIBE SEVERE CORROSION OF THE VEHICLE SUB-FRAME IN THE AREA WHERE THE RIGHT-FRONT LOWER CONTROL ARM IS ATTACHED.IN SOME VEHICLES, SUB-FRAME CORROSION HAS CAUSED COMPLETE OR PARTIAL DETACHMENT OF THE CONTROL ARM, RESULTING IN WHEEL COLLAPSE OR SEPARATION. IN RESPONSE TO ODI'S INFORMATION REQUEST LETTER FOR PE08-029, HYUNDAI PROVIDED OWNER COMPLAINTS, FIELD REPORTS, AND WARRANTY CLAIM DATA FOR APPROXIMATELY 197,906 MY 1999 THROUGH 2002 SUBJECT VEHICLES SOLD OR LEASED IN THE UNITED STATES.THE BASE WARRANTY FOR THE SUBJECT VEHICLES IS 60 MONTHS OR 60,000 MILES, WHICHEVER OCCURS FIRST.ACCORDING TO HYUNDAI, PROLONGED EXPOSURE TO THE ROAD SALTS MAY RESULT IN CORROSIVE DAMAGE TO THE SUBFRAME.HYUNDAI REDESIGNED THE SUB-FRAME EARLY IN THE MY 2004 PRODUCTION (NOVEMBER 2003) TO ADDRESS PROBLEMS WITH PREMATURE CORROSION OF THE CROSSMEMBER NEAR THE RIGHT-FRONT SUSPENSION ATTACHMENT. ODI'S ANALYSIS OF BOTH COMPLAINT AND WARRANTY DATA FOR THE MY 1999 THROUGH 2002 SONATA VEHICLES SHOWS THAT THE FAILURE RATES ARE SIGNIFICANTLY HIGHER IN SALT BELT STATES, WHICH ACCOUNT FOR APPROXIMATELY 50 PERCENT OF VEHICLE SALES AND OVER 90 PERCENT OFCOMPLAINTS AND WARRANTY CLAIMS RELATED TO THE ALLEGED DEFECT (NOTE:FOR PURPOSES OF THIS INVESTIGATION THE SALT BELT INCLU…