What could cause washing machine drum to bang against housing during spin cycle after a repair?
I discovered that one of the 3 suspension pads was indeed broken, and replaced.  Also, I had previously had to replace the drive block which was rusted out, and in trying to jerk the basket loose from it, had caused the skate plate to rest out of place.  This caused one or two of the plastic "feet" of the outer tub to be resting on top of the skate place which caused the dreadful banging against the side of the cabinet.  Once the skate plate was returned to it's proper place, and the suspension pads replaced, the washer runs smoothly once again.