DescriptionThis video provides step-by-step repair instructions for replacing the upper wash arm assembly on a GE dishwasher. The most common reasons for replacing the upper wash arm is when the dishwasher is leaking water or is not cleaning properly.
All of the information in this upper wash arm replacement video is applicable to the following brands: GE
Step-By-Step Instructions1
To replace the upper wash arm in your dishwasher, you will need to uninstall the appliance first.
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To do this, turn off the power to your dishwasher and shut off the water supply valve.
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Use a quarter inch socket or nut driver to remove the screws securing the lower access panel or panels and remove them.
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Use a 5/8 inch wrench to help unthread the water supply line from the inlet valve.
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Be prepared for some water to spill.
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Next, use a 5/16 inch socket or nut driver to unthread the screws securing the junction box cover.
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Then, pull the cover off.
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Note the location of the wires, then untwist the wire nuts to disconnect the wires.
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Unthread the strain relief nut and detach the strain relief from the junction box.
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Next, disconnect the drain hose from the sink drain or garbage disposer and feed it through the cabinet.
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Open the dishwasher door and remove the mounting bracket screws.
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To move the dishwasher, you may need to adjust the legs to lower the appliance.
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Now, very carefully pull the dishwasher away from the cabinet.
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Use the quarter inch socket or nut driver to unthread the two mounting screws securing the upper wash arm.
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Open the dishwasher door, slide the upper dish rack out, and remove the old wash arm.
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Install the new upper wash arm by aligning the screw hole tabs in the top of the tub.
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Rethread the screws to secure.
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Make sure the end of the drain hose is accessible through the cabinet wall.
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Then, gently slide the dishwasher back into the cabinet.
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Adjust the leveling legs if necessary.
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Replace the screws to secure the mounting brackets to the cabinet or countertop.
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Feed the drain hose through the cabinet and connect it to the sink drain or garbage disposer.
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Make sure the hose is elevated above the connection point.
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Fully position the wire strain relief in the junction box and secure the strain relief nut.
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Connect the wires using the wire nuts.
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Align the cover and replace the screw to secure.
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Reconnect the water supply line to the inlet valve.
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Reposition the lower access panel or panels and replace the screws to secure.
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With the repair completed, turn the water supply back on as well as the power, and your dishwasher should be ready for use.