Try loosening the bleeder vale and see if it has pressure or not If it has pressure you may have a residual valve in the brake master cylinder keeping pressure on the front disc brakes, not really needed if the master cylinder is mounted above the calipers If the master cylinder is mounted below the brake calipers you will need a 3 lb or so, not 10 lbs residual valve to prevent the calipers draining back into and overfilling the master cylinders. Let us know what you find out