Leaking water from the discharge hose and pump gasket

1) Remove the lower dish rack.
2) Use towel to soak up any water in the dishwasher.
3) Remove the bottom plate on the dishwasher front.
4) Remove clamp from around the discharge hose. Some water will drain out so have towel handy.
5) Dishwasher will need to be pulled out from its built-in area in order to feed the old discharge hose out and the new one in. MAKE SURE THAT THERE IS ENOUGH PLAY IN THE ELECTRICAL WIRES AND THE INPUT WATER LINE TO THE DISHWASHER TO ALLOW IT TO BE PULLED OUT.
6) Loosen, all the way, the white plastic locking arm that clamps the pump housing. It clamps on a white corrugated plastic piece.
7) Remove the spindle arm inside the washer by unscrewing the "tower" piece.
8) Remove the screws from the pump housing on the inside of the washer.
9) Lift the pump housing carefully and remove the rubber gasket from around the housing. There is enough play to remove the gasket and put the new one on.
10) Clean the area around the housing so that the new gasket seats properly.
11) The new gasket will have to be installed before re-installing the discharge hose.
12) Re-install screws in pump housing.
13) Re-install the spindle arm.
14) Tighten the white plastic locking arm underneath the washer that locks down the pump housing.
15) The new discharge hose can now be reconnected between the sink drain and the dishwasher.
16) Dishwasher can now be put back into its place.
17) Before closing up the bottom plate of the dishwasher, it should be run and checked for leaks before finally closing up. My advice - let it stand overnight before checking for leaks. after running.