Whirlpool Dishwasher Repair – How to Turbidity Sensor

Hi, it’s Den. we’d like to explain you how to change the sensor on the pump of your dishwasher. It’s a really easy job. Let me explain you how we do it.

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Now, the sensor on this dishwasher is located on the bottom of the pump closer towards the back. Really the only way that you can replace this is to remove the dishwasher from the cabinets. Before we begin, we’ll need to disconnect the power to the dishwasher first. Locate the electrical panel, turn off the appropriate breaker or remove the appropriate fuses. We’ll also need to turn off the inlet water supply and disconnect the drain hose, and have something to collect any of the water that spills.

Lastly, we’ll need to release the two mounting straps from the top of the dishwasher that mounts to the bottom of your counter. Then we can pull that dishwasher out and lay it on its back. Now we have the dishwasher laying on its back we’ve located the sensor which is located in behind the drain pump. Now to remove thatWe’re going to start by disconnecting the wire harness, the little locking tab that catches the end of that wire harness. We simply need to depress that, just enough to pull the harness up past it.

Just pull that out of the way. NextWe’re going to rotate the sensor counterclockwise about a quarter of a turn until this arrow points against that indicator mark on the pump and then we can pull that out. Verify that the O-ring came with the old sensor. Before we install a new one, we’ll clean this area out.

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When we go to install that new sensor, we want to make sure that we lubricate that O-ring just enough so that it will turn in easily without distorting it. A little bit of liquid dish detergent, sometimes just a little bit of water will do that to lubricate it enough.
Begin by lining up that arrow with the indicator point on the pump itself.
Press it firmly into place and then rotate it clockwise for an eighth of a turn so that arrow points to this indicator on the pump and it’s locked in place.
Then reconnect the wire harness.

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Make sure that presses in far enough that the little locking tab catches over the backside of it. NowWe’re ready to stand the dishwasher back up, put it back into place, reconnect our drain hose if we need to, our inlet fill hose. Turn on the water to make sure that we don’t have any leaks.

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Then we’ll secure that dishwasher to the cabinets. Now that we have the dishwasher secured in the cabinets again, we can turn on the power, and your repair is complete.