It could be a manufacturing variance, an out of round tire casing, lack of routine tire balance/rotation, or as suggested maybe a broken tread belt. The odd wear and the thud noise are probably related.
Between 2009 when Obama took office, and 2013, median annual household incomes have fallen by more than $2,100.
Progressive Liberalism: Bringing you new Healthcare ideas so wonderful, they have to include mandatory participation ......
Originally Posted by Ronald W. Reagan: Government is not the solution to our problems; Government is the problem.