2012 FORD F-450 Steering Problems

I TOOK MY FORD F-450 LARIAT FOR ITS 60,000 MILES SERVICE. AFTER THE SERVICE WAS DONE, WHILE DRIVING IT HOME FROM THE FORD DEALERSHIP (AUTONATION FORD IN CORPUS CHRISTI, TX), ON THE FREEWAY AS SOON AS I GOT TO AROUND 50 MILES PER HOUR THE VEHICLE'S FRONT STARTED TO SHAKE/WOBBLE VERY VIOLENTLY. SPEEDING UP TO THE SPEED LIMIT (60 MPH) DID NOT HELP AND THE SHAKING GOT ACTUALLY WORST, I HAD TO STOP FOR THE SHAKING/WOBBLING TO STOP, THANKFULLY I WAS STILL ON THE RIGHT LANE AND THERE WAS A WIDE ENOUGH SHOULDER FOR ME TO STOP. AS SOON AS I RESTARTED AND GOT TO ABOUT 50 MPH THE VIOLENT SHAKING RESTARTED, AND I HAD TO STOP AGAIN FOR THIS SHAKING TO STOP. I EXITED THE FREEWAY AT THE FIRST EXIT AND DROVE BACK TO THE DEALER. ON THE WAY BACK THE VIOLENT SHAKING REPEATED AT LEAST 5 MORE TIMES,...

WHILE DRIVING DOWN A PARKWAY AT THE SPEED LIMIT, WE TRAVELED OVER SEVERAL BRIDGES AND ALL OF A SUDDEN AFTER HITTING A ROUGH SPOT IN THE ROAD AND OVER THE BRIDGES THE TRUCK BEGAN TO SHAKE VIOLENTLY AND WE HAD TO ALMOST COME TO A STOP TO HOLD IT IN THE ROAD. IT CONTINUED TO DO THIS ALMOST EVERY TIME WE HIT A BUMP IN THE ROAD. WE HAD JUST RECENTLY BOUGHT THIS TRUCK USED, I AM SCARED TO RIDE OR DRIVE THIS TRUCK ANYMORE, IT IS MY HUSBANDS AND HE DOES. WE PULL A HORSE TRAILER AT TIMES AND I AM SCARED TO DO SO BECAUSE IT PUTS OUR LIVES AS WELL AS OTHER MOTORISTS LIVES AND MY HORSES IN DANGER. THIS NEEDS TO BE RECALLED AND CORRECTED ASAP....HE PURCHASED SOME EXPENSIVE PART AND HAD IT PUT ON UNDER THE FRONT END AND IT HAS HELPED BUT LT STILL...

DRIVING DOWN THE HIGHWAY IN THE RAIN TRUCK STARTED SHAKING COULD NOT HOLD STEERING WHEEL . TRUCK STARTED GOING SIDEWAYS ON HIGHWAY FROM SHAKING/ WOBBLE. TRUCK SHUTS OFF DRIVING DOWN THE ROAD WITH NO WARNING NO STEERING OR BRAKES TOWING EQUIPMENT. I HAVE HAD MY 1 YEAR OLD DAUGHTER IN TRUCK ALMOST IN A ACCIDENT 2 TIMES NOW FROM TRUCKS DEATH WOBBLE AND MOTOR SHUTTING OFF TOWING EQUIPMENT.