Turn your off the water running to your dishwasher by turning the water supply valve, located under your sink, clockwise to the off position.
Turn off the power supply to your GE dishwasher by unplugging the machine from the wall outlet or turning off the circuit breaker.
Open the dish GE dishwasher door and pull the top and lower racks all the way out the unit so they are removed.
Turn the lower sprayer arm, located at the bottom of the inside of the dishwasher counter-clockwise and then lift it out of the dishwasher.
Locate the sump pump and motor assembly in the middle of the dishwasher beneath where the spray arm was located.
Remove the 5/16 screw, using a wrench, from the from the front of the sump pump, then remove the sump pump from the dishwasher.
Open the sump cover, then pull out the filter from the system.