2000 CADILLAC STS Suspension Problems

1. BALANCE TIRES EIGHT TIMES, ALIGNMENT OF FRONT END TWO TIMES, ROTATE TIRES FOUR TIMES. HEAVY STEERING WHEEL VIBRATIONS BETWEEN 60 MPH AND 75 MPH. NO RESOLUTION OF PROBLEM AFTER SPENDING ALL THIS MONEY. ONE SET OF NEW TIRES TOO. 2. CONTACT CADILLAC DIV. OF G.M. NO RESOLUTION. 3. ALL DATA.COM LIST MANF. TECH. SERVICE BULLETIN #00-03-10-007F AS POSSIBLE SOURCE OF PROBLEM. 4. VIBRATIONS GETTING WORSE, CAN YOU RESEARCH, REPLY, AND HELP HELP! 5. FAILURE OF STEERING EQUIPMENT COULD LEAD TO MAJOR INJURIES OR DEATHS. *NM

EXTREME VIBRATION AT HIGHWAY SPEEDS 65-70MPH. REPLCED 3 SETS TIRES. REPLACED BRAKES , ROTORS, WHEEL, HAD VARIOUS ALIGNMENTS... CADILLAC REPLACED CONTROL ARMS AND VIRBRATION WENT AWAY FOR 2 MONTHS... VIBRATION BACK NOW THEY ARE SAYING IT IS AS GOOD AS IT GETS..*AK THE VEHICLES VIBRATES BADLY, CAN FEEL IT IN SEATS, STREERING WHEEL, FLOOR, AND GAS PEDAL.. IMO IT IS UNSAFE.... CADILLAC INSISTS PROBLEM IS TIRES... THIS VEHICLE PURCHASED WITH2800 MILES AS CERTIFIED USED WITH6YR/100K MILE WARRANTY ON 7/23/2002