2007 ISUZU ASCENDER Tires Problems

AFTER NORMAL, MOSTLY RURAL, PERSONAL, NON-COMMERCIAL USE IN CENTRAL TEXAS, THE LF TIRE FAILED AFTER 16 MONTHS AND 27000 MILES OF SERVICE. THE TREAD/BELT SHOWED AN OBVIOUS LARGE BULGE AND SEPARATION FROM THE CARCASS OVER APPROXIMATELY 10% OF THE CIRCUMFERENCE OF THE OUTSIDE TREAD PORTION OF THE TIRE. THIS WAS ACCOMPANIED WITH AUDIBLE EXTERNAL NOISE (AT SLOW SPEEDS) ALONG WITH A FELT BUMP IN THE TIRE AND A SHIMMY ON THE STEERING WHEEL. THE SYMPTOMS WERE REDUCED AT HIGHWAY SPEED. THIS WAS NOTICED AROUND THE LAST WEEK OF OCTOBER, 2009. IT WAS REPORTED TO CONTINENTAL VIA A LOCAL CONTINENTAL TIRE DEALER AND THE ADJUSTMENT WAS 25% OFF OF A NEW REPLACEMENT TIRE. CUSTOMER SERVICE AT CONTINENTAL APPARENTLY DETERMINED THAT 16 MONTHS AND 27000 MILES WAS 3/4 OF THE TIRES LIFE. THREE WEEKS AND 400 MILES LATER, THE LR TIRE EXHIBITED THE SAME SYMPTOMS AND MY EXAMINATION REVEALED AN IDENTICAL BULGE...