Sometimes when you wash the wheels specially with those wheel cleaners, the grease applied to the pad backing gets washed away. Since your brake job was recent you should have whoever did it check what's going on.

__________________
joE
1993 300e-2.8 - gone now <sigh>
"Do not adjust your mind, it's reality that's malfunctioning"
http://banners.wunderground.com/bann...L/Key_West.gif