How to Replace the Inlet Valve in a Dishwasher
The water inlet valve controls the flow of water into the dishwasher. If it is not functioning properly, your dishwasher may not fill with water or may fill too slowly. Replacing the inlet valve can resolve these issues.
Caution: Please read our safety information before attempting any testing or repairs.
Important Safety Notice: Before replacing the water inlet valve, unplug the dishwasher or shut off the power at the fuse box or breaker panel to avoid an electrical shock hazard.
Tools and Materials Needed
- Screwdriver (Phillips and flat-head)
- Wrench
- Needle-nose pliers
- Small pan (to catch water)
- Replacement inlet valve
- Safety gloves
Steps to Replace the Inlet Valve
Step 1: Safety First
- Turn Off Power: Ensure that the dishwasher is unplugged or the circuit breaker is turned off to prevent any electrical shock.
- Turn Off Water Supply: Turn off the water supply to the dishwasher. This is usually located under the sink. If you are unsure about the location, turn off the water supply to the house at the main valve.
Step 2: Access the Inlet Valve
- Remove the Lower Panel: The inlet valve is located behind the lower access panel of the dishwasher. This panel is usually held in place with two screws either above or below the panel.
- Open the Door: Open the dishwasher door to access the screws holding the lower panel.
- Remove the Screws: Use a screwdriver to remove the screws. You may need to close the door to fully remove the panel.
- Locate the Inlet Valve: The inlet valve can be identified by the water hoses connected to it. One hose leads from the valve to the pump/motor assembly in the center of the dishwasher.
Step 3: Disconnect the Hoses
- Prepare for Water Spillage: Place a small pan under the valve to catch any water that will spill out.
- Disconnect the Water Supply Hose: Use a wrench to unscrew the water supply hose from the inlet valve. It typically screws on like a garden hose.
- Disconnect the Outbound Hose: The outbound hose is usually held in place with a clamp. Use needle-nose pliers to remove the clamp and then disconnect the hose.
Step 4: Remove the Old Inlet Valve
- Remove Mounting Screws: The inlet valve is usually secured with mounting screws. Use a screwdriver to remove these screws.
- Remove the Inlet Valve: Carefully remove the inlet valve from its position.
Step 5: Install the New Inlet Valve
- Position the New Inlet Valve: Place the new inlet valve in the correct position and secure it with the mounting screws.
- Reconnect the Outbound Hose: Reconnect the outbound hose to the new inlet valve and secure it with the clamp.
- Reconnect the Water Supply Hose: Screw the water supply hose onto the new inlet valve using a wrench.
Step 6: Reassemble the Dishwasher
- Reattach the Lower Panel: Replace the lower access panel by securing it with screws.
- Close the Door: Ensure everything is properly aligned and close the dishwasher door.
Step 7: Test the Dishwasher
- Restore Power and Water Supply: Turn the power and water supply back on.
- Check for Leaks: Inspect the connections for any leaks. Tighten connections if necessary.
- Run a Test Cycle: Run a short test cycle to ensure the dishwasher operates correctly and the new inlet valve functions properly.
Tips and Warnings
- Consult the Manual: Always refer to your dishwasher’s user manual for specific instructions related to your model.
- Use Genuine Parts: If the inlet valve needs to be replaced, use genuine replacement parts for optimal performance and longevity.
- Seek Professional Help: If you are unsure about any step or if the problem persists, consider seeking help from a professional technician.
By following these steps, you can effectively replace the inlet valve in your dishwasher, ensuring it operates correctly and efficiently. Regular maintenance and timely repairs will help extend the lifespan of your appliance.