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			You have said that the tires have been rebalanced several times?  Were they wrong the second time, third time?  
 I had a truck that had a bad tire- it would shift weight/ balance.  The shop could balance tire and I would drive it 10 miles or so and vibration would start go back in and tire would be off at least a 1/2 ounce.  They swapped tire out and fixed problem.
 
 Have your wheels checked with out taking of wieghts to see if they have changed.
 
				__________________If your not LIVIN now, then when?
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