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Inspecting a Dishwasher Inlet Valve For Leaks:



Testing a water inlet valve

Note:
Disconnect the power source to your dishwasher before you conduct this or any other check. Unplug the unit from the wall outlet, remove the appropriate fuse from the fuse box, or turn off the appropriate circuit breaker in the electrical panel.

The water inlet valve on your dishwasher is normally located to the left side behind the lower access panel. Remove the screws that secure the access panel and locate the valve. Inspect the inlet supply connection to the valve for leaks and tighten if required or replace the connector if damaged. Most modern dishwashers use compression style fittings or hoses that can be replaced easily. Remember to turn off the water supply before attempting this repair. Check the body of the valve and the outlet hose for cracks or damage. If there is evidence of a leak in the inlet valve area but it is not present during your inspection, try starting a cycle and observe the valve area while the dishwasher is filling. Use caution when attempting this repair as there will be live voltage in this area and any repair or parts replacement should only be attempted after power has been removed.

If your dishwasher is leaking because it has overflowed, the water inlet valve may be the cause. A mechanical defect inside of the valve could cause it to stay open even after the float switch has been satisfied. If your dishwasher continues to fill above the heating element, try opening the door latch to see if it stops filling. If it continues to fill, then you have a defective inlet valve that will need to be replaced.