2013 GMC Savana Passenger 1500 VAN AWD

WE HAVE PURCHASED 20 HIFLY, LT245-75R16 E RANGE 10 PLY TIRES TO USE ON OUR FLEET OF 15 GMC 3500 VANS.YEAR RANGE IS BETWEEN 2007-2014. WE ARE FINDING SEPARATION AND BUBBLING IN THEM. WE WERE ADVISED THAT "WHAT DO YOU EXPECT FROM A CHEAP CHINESE TIRE, YOU GOT WHAT YOU PAID FOR.". NO WARRANTY OR EXCHANGE GIVEN. I STILL HAVE 11 ON SHOP FLOOR DUE TO SUCH FAILURES THESE ARE VERY DANGEROUS AT HIGHWAY SPEEDS WHEN THE TREADS AND SIDEWALLS BUBBLE AND BLOW OUT OR TREAD SEPARATES, THIS COULD CAUSE AN ACCIDENT WHICH COULD CAUSE LOSS OF CONTROL, INJURY, DEATH OR DESTRUCTION OF PROPERTY. WE HAVE PURCHASED COOPER TIRES WITHOUT THE SAME ISSUES ON THESE UNITS, DRIVING THE SAME SPEED, WEIGHT, AND DISTANCE. THE FAULTY TIRES ARE AVAILABLE FOR TESTING AND OR INSPECTION.

WE PURCHASED 18 PINNACLE LT245/75R16 LOAD RANGE E 10 PLY TIRES FROM GRAINGER AND MADE IN CHINA FOR OUR FLEET OF 15 2007-2014 GMC 3500 VANS. I HAVE 6 OF THEM ON SHOP FLOOR DUE TO FAILURES THAT ARE AVAILABLE FOR INSPECTION AND OR TESTING. SOME OF THE OTHERS WERE DESTROYED AND SENT TO BE RECYCLED. THESE VANS ARE DRIVEN UPON THE INTERSTATE, HIGHWAYS AND CITY STREETS, AT OR ABOUT THE SPEED LIMITS AND WITHIN THE WEIGHT CLASS OF A 1 TON VAN. MILEAGE VARIED FROM 5000 TO 10000 BEFORE THE TIRE BUBBLED ON THE TREAD OR AT THE BEAD, SEPARATED OR BLEW OUT. WE HAVE PURCHASED COOPER TIRES IN THE SAME SPEC RANGE PRIOR TO AND AFTER SAID PURCHASE WITH NO FAILURES AS THE PINNACLE TIRES.