tensioner

Got a 2006 Liberty 3.7L, 4WD with 108k miles on it and am getting what sounds like a noise from the smooth idler pulley on the belt tensioner (not the grooved pulley on the tensioner) when the revs get to 2000 rpm. It continues to about 2800 rpm then seems to quiet down a bit. I can rev the...

Can someone tell me how to remove/replace the belt tensioner bracket (bracket w/long bolt) from the power steering pump? Does anyone know the size and length of the belt tensioner bolt my broke when trying to change belt? thanks, 934bangeryj