2007 KEYSTONE COUGAR Tires Problems

EXPERIENCED RAPID LOSS OF AIR PRESSURE ON A BF GOODRICH COMMERCIAL T/A LT225/75R16 ALL SEASON LRE TIRE WHILE TRAVELING ON A 4-LANE HIGHWAY. TIRE WAS ONE OF A SET OF 4 INSTALLED ON A 5TH WHEEL. BOTH MYSELF, AS WELL AS THE ROAD SERVICE THAT CAME TO MY AID, THOUGHT THE PROBLEM WAS CAUSED BY APPARENT TREAD SEPARATION. THE TIRE WAS LESS THAN 3 YEARS OLD AND HAD AROUND 16000 MILES ON IT. I RETURNED THE FAULTY TIRE TO MICHELIN FOR INSPECTION. THEIR REPORT CONCLUDED THAT THEY COULD NOT FIND THE EXACT CAUSE OF FAILURE. SPECIFICALLY, THEIR REPORT STATED "WHILE WE DID NOT FIND ANY DEFECTS IN DESIGN, MANUFACTURE OR MATERIALS IN THE TIRE WHICH WOULD HAVE CAUSED IT TO BECOME UNSERVICEABLE, NEITHER COULD WE FIND ANY EVIDENCE OF MISAPPLICATION OR MISUSE". IN THE INTEREST OF CUSTOMER GOODWILL, MICHELIN AGREED TO REIMBURSE ME FOR REPAIR COSTS TO MY 5TH WHEEL,...

VERY VIOLENT TIRE BLOWOUT ON TRAILER----THIS IS THE SECOND TIRE BLOWOUT UNDER SIMILAR CIRCUMSTANCES IN LESS THEN 3 MONTHS. BOTH TIMES WE WERE NOT OVERLOADED AND TIRE PRESSURES WERE 73 TO 75 LBS ON THE FIRST ONE AND 80LBS ON THE SECOND BLOWOUT. ( I HAVE PICTURES IF YOU WANT THEM). *TR

WHILE PULLING MY 5THWHEEL TRAILER EXPERIENCED A VERY RAPID BLOW-OUT OF R/H REAR TIRE. AND EXTREME DAMAGE TO THE TRAILER, THE TIRES WERE POWERKING TOWMAX ST225/75R15 TIRES THE MANUFACTURE IS GPX INTERNATIONAL TIRE CORP, TWO INDEPENDENT TIRE DEALERS CONFIRMED IT WAS A DEFECT, AND NOT CAUSED BY LOW TIRE PRESSURE CONDITION AND THERE WAS A QUARTER SIZE HOLE IN THE UPPER TREAD AREA.WITH NO SIGN OF SIDE WALL FAILURE. I'M ALSO A AIRCRAFT MECHANIC AND KNOW IT WAS NOT A LACK OF MAINTENANCE ON MY PART,I CAN ACTUALLY BE ACCUSED OF OVER MAINTENANCE OF MY VEHICLES, ALSO I'M POSITIVE NOTHING WAS HIT ON THE FREEWAY HAVE BEEN PULLING TRAILERS FOR 20 + YRS AND FIRST BLOW OUT LIKE THIS. ALSO HAD THE L/H REAR TIRE GO FLAT 20 MILES LATER WITH NO DAMAGE TO THE TRAILER BUT ATTRIBUTED THIS TO THE STRESS FROM R/H TIRE RAPID BLOW-OUT, AGAIN IT WAS...

TL*THE CONTACT OWNS A 2007 KEYSTONE COUGAR TRAILER WITH MILESTAR ST 225/75D-15 TIRES. HE NOTICED GOLF-BALL SIZED BUBBLES ON THE SIDEWALLS OF THE TIRES. THE CONTACT STATED THAT HIS TIRES WERE REPLACED. UPDATED 02-01-08. *KB THE CONSUMER STATED THE TIRES HAD VERY WEAK SIDEWALLS.