Customer Questions and Answers for Filter Assembly by Whirlpool

Jack, The "accumulator assembly plate" is basically the pump cover, you will need to remove it, inorder to access the interior components, that are making the noise. You most likely have something down inside the sump, chopper blade or protector. Hopefully not in the impeller, but possible Here's some help : Components inside the sump can be accessed without removing the sump from the dishwasher tub. 1. Remove the four (4) screws securing the soil accumulator from the sump base. 2. The soil accumulator will now lift free of the sump base.3. Remove the screw securing the foreign objects protector to the sump base and remove the protector. 4. Remove the screw securing the inlet protector to the pump base and lift the inlet protector out. 5. Remove the chopper assembly from the impeller shaft and lift it from the sump base. 6. The check valve, located between the wash motor and the drain can be removed with a pair of needle nose pliers.7. With the wash motor removed, the separation screen can be removed from the sump base.