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Step-by-Step Instructions and Pictures of How to Replace a Dishwasher

Step-by-step guide for pulling out the old, sliding in the new and reconnecting the new appliance. Read an overview on how to replace a dishwasher.

How to Replace a Dishwasher-Step 1
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1.Turn off the power, remove the front panel and use a voltage tester to make sure the power is off. Disconnect the wires and pull the cable from the box.

How to Replace a Dishwasher-Step 2
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2. Remove the compression fitting nut from the water supply line (water turned off). Note which way the 90-degree elbow points, then unscrew it.

How to Replace a Dishwasher-Step 3
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3. Slide the dishwasher drain tube and off the inlet arm on the sink drain. Drain it into a bucket. Remove the screws securing the dishwasher to the countertop.

How to Replace a Dishwasher-Step 4
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4. Lower the dishwasher and slip cardboard under the feet. Then gently lift and slide the dishwasher out. Work the drain tube out through the side of the cabinet.

How to Replace a Dishwasher-Step 5
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5. Wrap the 90-degree fitting twice with Teflon tape and screw it into the new water valve. Tighten it, aiming the elbow as on the old machine.

How to Replace a Dishwasher-Step 6
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6. Thread the new drain line into the sink base cabinet. Loop it higher than the inlet arm on the sink drain or garbage disposer. Slip it on and tighten the clamp.

How to Replace a Dishwasher-Step 7
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7. Lay the water supply, drain and electrical lines flat on the floor. Measure the height of the opening, then adjust the wheels and feet according to the manual.

How to Replace a Dishwasher-Step 8
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8. Grasp the sides of the dishwasher, lift slightly and roll the dishwasher into the opening. Protect the kitchen floor with a tarp or cardboard.

How to Replace a Dishwasher-Step 9
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9. Slide the dishwasher back until it’s flush to the cabinets. Positioning may vary slightly according to dishwasher styles and the style of your cabinets.

How to Replace a Dishwasher-Step 10
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10. Adjust the leveling feet with a wrench until the dishwasher is level (side to side) and plumb (up and down).

How to Replace a Dishwasher-Step 11
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11. Align the water supply line so it slides straight into the 90-degree fitting. Thread on the compression nut (no Teflon tape needed) and tighten with a wrench.

How to Replace a Dishwasher-Step 12
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12. Clamp the drain hose to the dishwasher. Then clamp the electrical wires and connect them. Finally, screw the dishwasher to the countertop bottom.

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