WHILE DRIVING DOWN THE FREEWAY AT ABOUT 50 MPH I WENT TO ACCELERATE AND THE TRANSMISSION SPUTTERED AND THEN TRIED TO DOWNSHIFT BUT INSTEAD LOCKED UP AND CAUSED THE CARS FRONT TIRES TO SQUEAL AND A RAPID SLOW DOWN. THIS FAILURE OCCURS ANYTIME I TRY TO ACCELERATE TO PASS A VEHICLE. WITH CAREFUL DRIVING I CAN MINIMIZE IT BUT AM NOT ABLE TO ACCELERATE VERY WELL. DEALERSHIP HAS TOLD ME TO REPLACE THE TRANSMISSION AT MY COST. *TR