Customer Questions and Answers for Circulation Pump And Motor Assembly (Dishwasher) by Whirlpool

This dishwasher circulation pump and motor assembly drives wash water through the spray arms. Replacing a worn pump restores proper water pressure and quieter operation when cleaning performance drops or you no longer see strong spray action. What it does:

• Circulates water through the spray arms during wash and rinse cycles
• Maintains the water flow and pressure needed for effective cleaning
• Typical failure symptoms: poor cleaning, no spray action, loud hum/grind from the sump area, or the wash motor not running
• This is the main wash/circulation pump (distinct from the drain pump)

• One circulation pump and motor assembly

• Disconnect power and shut off water before servicing
• Pull the dishwasher out for bottom access; have towels or a pan ready for residual water
• Release the locking mechanism, transfer the wiring, and ensure the O-ring/gasket is fully seated before locking the new pump in place
• Restore utilities and run a short cycle to check for leaks and proper operation