before you take the pulley apart...try to clean off the pullies with brake cleaner and a piece of sand paper(250 + grit)
brother in law works at a dealership, he says dirty pullies are the problem most of the time, or bad belts but u said u replaced them.
We all get the urge...Saturday early morning...nothing to do till noon...
The aural sensations of 1st gear WOT
**CGM **(Certified Garage Mechanic)