Sorry, the web browser you're using is not supported by this website.

Please use Google Chrome, Firefox, Safari, or another browser to access homex.com. Thank you.

Skip to main content

We use cookies to enhance your experience. For details on how we use cookies, collect data, & how to manage your consent please see our Cookie Policy & Privacy Policy.

How do I replace a Motor Assembly in a Dishwasher?

There are a number of situations where the circulation pump and motor assembly need to be replaced. The dishwasher pump will not run if the motor on the circulation pump fails. Sometimes the motor runs but doesn't generate water pressure through the spray arms, because of the damaged pump housing. The dishwasher can leak if the pump housing and seals are damaged. There can be problems with the pump and motor assembly. The pump and motor have to be replaced.

Follow these steps to fix your issue:

  1. Shut off electrical power and water supply to the dishwasher.

    Shut off the house circuit breaker if you want to unplug the dishwasher. The control panel should not light up if you press a control button or the power button. The dishwasher has a water supply valve. Shut off the water supply to the dishwasher.

  2. Remove the spray arms.

    Pull out the bottom dishrag when you open the dishwasher door. Pull out the upper dishrag when the track stops. Remove the spray arm. If you have a dishwasher with a spray arm, it's a good idea to remove the turbocharger. The feed tube clips should be released. Pull out the feeding tube from the pump outlet.

  3. Remove the bottom front access panel and toe panel.

    The screws that hold the toe panel in place should be removed using a nut driver. The access panel and the toe panel need to be removed.

  4. Pull out the dishwasher.

    As you pull the dishwasher out from under the counter, position the dishwasher power cord so it moves freely. If your dishwasher doesn't have a power cord, there is a tip. There is a towel under the water supply line connection. Remove the water supply line from the water inlet valve. The garbage disposal or sink drain has a drain line. The dishwasher is secured in the cabinet opening with 2 mounting screws. The junction box cover should be removed if the dishwasher power supply is hard-wired directly into it. The power cable needs to be released from the junction box.

  5. Remove the drain pump.

    The dishwasher needs to be put on its back to get the drain pump. If you want to catch water, lay a towel under the pump. If necessary, use channel-lock pliers to squeeze the wire hose clamps that hold the drain hose on the drain pump. The drain pump needs to be pulled off. There is a wire harness in the drain pump. Press down on the locking tab and then turn the pump clockwise to pull it out. If you have spilled water, wipe it up and remove the towel.

  6. Remove the circulation pump and motor assembly.

    The diverter motor and circulation pump motor need to be disconnected. The optical water indicator can be removed and hung by the wire harness. The dishwasher needs to be tilted. The mounting tabs need to be released. The dishwasher can tilt forward if the door is not open. Pull the circulation pump and motor assembly out of the dishwasher tub.

  7. Install the new circulation pump and motor assembly.

    The old circulation pump and motor assembly should be transferred to the new one. The old circulation pump and motor assembly should be transferred to the new one. Remove the seal with rinse aid. To prevent the dishwasher from moving, open the door and support the base. Put the new circulation pump and motor assembly in the tub. The dishwasher door should be closed. The tabs are connected to the sump. The dishwasher needs to be placed on its back. Remove the O-ring from the water indicator with rinse aid. The diverter motor and circulation pump wire harnesses can be plugged in.

  8. Reinstall the drain pump.

    Remove the O-ring water seal from the drain pump. The locking tab needs to be put in place when the drain pump is inserted. Attach the wire harness to the drain pump. Attach the drain hose to the drain pump. The drain pump outlet has a drain hose on it.

  9. Reinstall the dishwasher.

    Pull the dishwasher under the counter. Remove the drain hose from the garbage disposal or sink drain. The inlet water valve needs to be connected to the water fill line. Attach the screws to the mounting brackets that hold the dishwasher under the counter. The access panel should be positioned in front of the toe panel on the dishwasher. Attach and tighten the screws. Push the power cable into the junction box if the dishwasher hardwires there. Remove the junction box cover and connect the wires to the junction box.

  10. Reinstall the spray arms.

    You can open the dishwasher door. Attach the feed tube to the clips. If you have a dishwasher with a spray arm, it's a good idea to change the manifolds. Remove the spray arm. Push the upper dishrack into the tracks. Take the lower dish rack out of the tub.

  11. Restore electrical power and the water supply.

    Plug in the dishwasher or reset the house circuit breaker. You can open the water supply valve. Check for leaks when you run a dishwasher.

Time required: 15 minutes.

You would need the following tools: channel lock pliers, nut driver set, Torx screwdriver.

Let's Get It Fixed!

Our virtual experts can diagnose your issue (for free!) and resolve simple problems.

What Did You Think of This Article?

What Did You Think of This Article?

Shop Recommended ProductsShop HomeX Recommended Products