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Customer Questions and Answers for Washer Drain Pump by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM18024330
Manufacturer Part Number: WP3363394

Washer leaking water underneath or not draining? This drain pump removes water during the cycle. DIY repair typically takes 10-15 minutes with basic tools.

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Questions & Answers

For Whirlpool Washer Drain Pump (Part Number: OEM18024330)

Mitch for Model Number WTW5540SQ0

Washer was running fine. Then when I put in the next load, nothing happened. No clicking, no humming, no water intake. I thought the problem was electrical so I replaced the fuses in my fuse box, but nothing happened. Then I plugged the washer into a different outlet and it ran fine for about 10 minutes. Then it stopped, there was a small amount of water on the floor and a bad smell. I unplugged the machine and was told it could be the "belt," but research now shows that this is a beltless model (right?). Could it be the drive pump? I'm taking all suggestions!

1 Answer

Mitch, Correct, this is a "direct drive" washer and has no drive belt. The drain pump WP3363394 could be the issue. If the bearings are worn and seizing up or if there is an obstruction in the pump, this would cause the motor to overheat and cause an odor and"open" the motor overload/safety switch, and the motor would have to cool down and the switch reset before the washer could run again. Checking the drain pump would be a good place to start.

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1 Answer

Hello Jimmy, The problem with unit would be in the neutral drain. There is a kit that you can get to repair unit 388253A Neutral drain kit.

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1 Answer

Kerry, You forgot a model number. If this is a W/P top load commercial washer, you want to check and make sure the legs/feet are as low as possible, and locked in place, remove the cabinet, and check to make sure the "skate plate" and the base suspension pads are not worn out, damaged, bent,or out of alignment, and none of the suspension springs are loose,broken or damaged. Then you cn remove the spin basket and check for an out of round tub, or cracked balance ring, and loose, worn drive block and spin tube bearings.

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Jenny for Model Number Kenmore Series 80 washer

I ordered a direct drive pump for my washer from you (Part #3363394) and replaced it last night after watching your installation video. It looked fairly straight-forward and I was able to get the old one off, replace the new one and put the washer back together. However, when I started a small load to see if it would leak like the old one did (reason for replacing), once the washer filled with water and started agitating, there was a noise that I have never had before (especially louder when I use the "heavy-duty" agitation instead of "normal"). I don't know what I could've installed improperly as all I touched was the drive pump. Any ideas? Thanks!

1 Answer

Hello Jenny. Check and make sure the pump is seated properly onto the motor shaft and the flat spots on the pump match the motor shaft.

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1 Answer

Hello Roy. Remove the motor from the transmission and see if it still buzzes. If so, replace the timer on the unit.

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1 Answer

Hello Evan. If the shaft was rusted bad, you wil need to keep sanding the shaft until the pump slides onto the shaft. It has to be free from rust.

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1 Answer

Hello Cary, The pump WP3363394 would have bearings in them. You may want to pull pump and check to make sure that there is nothing in the pump causing the noise.

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