2011 Chevrolet Equinox Wheels Problems

RATTLE AND NOISE IN THE FRONT PASSENGER SIDE OF VEHICLE AS SOON AS VEHICLE IS TURNED ON AND WHILE IN MOTION, MAKING WEIRD NOISES AND MOVEMENTS WHILE DRIVING, OCCASIONAL HARD SHIFT, BACK REAR DRIVERS TIRE LOSING PRESSURE FOR NO REASON, PULLING CODE FOR P0420, DID A GOOGLE SEARCH AND SEEN MULTIPLE COMPLAINTS FOR THE SAME ISSUES ON THE SAME YEAR, MAKE, AND MODEL BUT NO RECALL ON MY VIN OR HISTORY OF RECALL, WHILE OTHERS SAID DEALERS HAD SAID IT WAS DUE TO A RECALL. JUST BOUGHT FROM BAXTER DEALERSHIP IN BELLEVUE, NE TWO WEEKS AGO.

WAS ALERTED TO THE CONDITION OF MY TIRES WHILE ON AN EIGHT HOUR TRIP FROM HOME. DRY ROT ON TIRES WITH LESS THAN 40,000 MILES. TIRES ROTATED REGULARLY. MECHANIC SAID I WAS IN DIRE DANGER. HAD TO INSTALL 4 NEW TIRES, AN EXPENSE NOT EXPECTED ON MICHELIN TIRES, OF WHICH WAS A SELLING POINT ON MY CAR. HE SAID THEY WON'T EVEN CARRY THEM BECAUSE OF THE DRY ROT PROBLEMS THEY'VE BEEN SEEING. MY HUSBAND LOOKED ON YOUTUBE WHEN I CALLED TO GET HIS TAKE. SAID THERE WAS A STREAM OF STORIES AND VIDEOS FROM FOLKS JUST LIKE ME. THE LORD WAS WITH ME THAT DAY FOR SURE.

TIRE WARNING LIGHT FIRST CAME ON 7/15/15 AS LOW PRESSURE IN PASSENGER SIDE REAR TIRE. PUMPED TIRE TO SPECIFIED TIRE PRESSURE, BUT TIRE LIGHT ILLUMINATED AGAIN A FEW DAYS LATER. AGAIN, PUMPED TIRE TO SPECIFIED TIRE PRESSURE. LIGHT CONTINUED TO ILLUMINATE, THEREFORE, TOOK TO LOCAL CHEVROLET DEALER FOR INSPECTION. DEALER INFORMED US OF TIRE TREAD SEPARATION AND RECOMMENDED IMMEDIATE TIRE REPLACEMENT BECAUSE OF SAFETY HAZARD. SUBSEQUENTLY HAD ALL FOUR TIRES REPLACED ON 8/13/15, MILEAGE ON VEHICLE 50,990. TIRE: MICHELIN LATITUDE TOUR P235/55R18 (DOT M33J007X); THREE TIRES 4110; ONE TIRE 1811.