2010 KEYSTONE MONTANA Wheels Problems

GOOD YEAR MARATHON 235/80R16 TIRES. DURING VACATION LAST YEAR 4 OF THESE TIRES DEVELOPED TREAD SEPARATION. 2 WERE DISCOVERED BEFORE THEY CAME APART AND WERE REPLACED, 2 OTHER TIRES THE TREAD SEPARATED AND CAME APART WHILE DRIVING ON THE HIGHWAY, ONE WAS THE SPARE WITH LESS THAN 400 MILES ON IT. THESE 2 TIRES CAUSED OVER $6,000 DOLLARS DAMAGE TO THE 5TH WHEEL. I CONSIDERED THIS A PRODUCT LIABILITY ISSUE AND KEPT ALL TIRES AND RIMS. I CONTACTED GOOD YEAR AND THEY REQUESTED ALL TIRES BE SENT TO THEM BY WAY OF THE LOCAL GOOD YEAR STORE AND I COMPLIED WITH THIS REQUEST. GOOD YEAR SENT THE 2 SHREDDED TIRES BACK SAYING THEY COULDN'T IDENTIFY ONE AS THEIRS HOWEVER THERE WAS NO PROBLEM WITH THE TIRES THEY LOST PRESSURE. GOOD YEAR KEPT THE OTHER 4 TIRES (2 WITH SERIOUS TREAD SEPARATION) AND NEVER ADDRESSED THESE. I QUESTIONED THE STATUS OF...

ON INTERSTATE 85 ABOUT 20 MILES SW OF ATLANTA AT 60 MPH, TOWING MONTANA 5TH WHEEL, THE STREET SIDE TIRE ON THE FRONT LEADING AXLE HAD A SUDDEN BELT AND TREAD FAILURE. TIRE CASE DID NOT DEFLATE AND WE WERE ABLE TO PULL OVER TO THE ROAD SHOULDER. TIRE WAS A GOODYEAR MARATHON ST235 80R 16 LOAD RANGE E WITH ABOUT 3000 TO 4000 MILES AND CAME AS OEM TIRE ON THE UNIT. THE TIRE ON THE TRAILING AXLE ON THE SAME SIDE HAD JUST BEEN REPLACED WHEN I FOUND A 2 IN LONG SECTION OF THE INSIDE, WHERE TREAD MEATS THE SIDE WALL, COMING APART DURING A PRETRIP INSPECTION. I HAD CHECKED ALL THE TIRES AT A FUEL STOP JUST NORTH OF ATLANTA AND ALL TIRES WERE FOUND TO BE INFLATED TO CORRECT PSI AND NO PROBLEMS I COULD SEE BY SIGHT. THIS IS NOT THE FIRST TIME I...