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

This dishwasher pump and motor assembly circulates wash water through the tub and spray arms during the cycle. Replacing a worn or failed unit restores strong spray pressure, quieter operation, and consistent cleaning performance. What it does:

• Circulates wash water through the spray arms and filtration system
• Maintains water pressure for effective cleaning throughout the cycle
• Can help with symptoms such as no spray/poor cleaning, loud humming or grinding from beneath the tub, or a cycle that stalls due to a non-running wash motor

• 1 pump and motor assembly

• Disconnect power and water supply before servicing; use gloves to protect hands
• Remove the toe panel/kickplate and access the pump from the bottom of the dishwasher
• Place towels or a shallow pan to catch residual water; release hose clamps carefully
• Ensure seals seat properly and clamps are secure; run a test cycle and check for leaks