Sounds like a very $hitty brake job.
Dragging fronts can be caused by the binding of the front(secondary) piston in the MC. This happens quite often on cars that are pedal bled.
It's also posible you bound up the calipers from one or more of the following
Lack of lubricant on hardware
Wrong lubricant on hardware
Trash in the calipers.
Oil swolen soft lines and/or seals.
Rear calipers probably just need to be adjusted manually as described in my cave. It's common for them not to auto adjust properly.
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11-Sept-01, The day the world as we knew it ended.