Not draining even after pump change

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Frigidaire Dishwasher

Repair and troubleshooting documentation for Frigidaire dishwashers.

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Sis65 @sis6598116

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Not draining even after pump change

I have a Frigidaire dishwasher model LFID2426TF1A about 4 or 5 years old. A week or so ago it stopped draining. Having seen this movie before (different house different dishwasher) I assumed it was the drain pump. I just replaced the drain pump and it is still not draining.

There is no garbage disposal hooked up to it - no disposal at all.

I took the filters out of the basin prior to ordering the pump in case the issue was a clogged filter but after a good clean there was no change.

The drain hose is not clogged.

It makes sounds like it is draining but when it’s done and I open it up the entire basin (tub?) is full. This is true both before and after the pump replacement.

I’m about to order a pump and motor assembly but I don’t like to just throw parts at things when I’m not sure.

Anyone know what I should do? Is the pump assembly the right move? Is there something I’m overlooking?

Thanks

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Sounds like you’ve ruled out the drain hose and pump itself, so next thing I’d check is the flapper valve in the pump—if it’s loose, stuck, or missing, water can’t exit even with a new pump. Pull the dishwasher out, remove the drain hose from the pump, and make sure the flapper moves freely and seals properly. Also double-check the drain path for any hidden kinks or clogs at the outlet. If that’s all good, then yes, a full pump/motor assembly might be next. Keep power off while you poke around—residual water can get messy.

Logan Wright 의 7시간 전2026년 5월 11일

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jayeff @jayeff

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Hi @sis6598116

There's a check valve on the outlet of the drain pump. Did you check to see if it was working OK?

Here's a link to the service data sheet that may help.

If you find the problem and a part needs replacing here's the parts list that is useful.

Locate the wanted part in the list and note the manufacturer's part number that is listed with it. Search online for the part number only, to find suppliers that suit you best.

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That was it. I hadn’t given that a thought. Took me until today to be able to check it. Draining like normal!

Thanks so much!

Sis65 의 2024년 12월 5일

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Sounds like you’ve ruled out the drain hose and pump itself, so next thing I’d check is the flapper valve in the pump—if it’s loose, stuck, or missing, water can’t exit even with a new pump. Pull the dishwasher out, remove the drain hose from the pump, and make sure the flapper moves freely and seals properly. Also double-check the drain path for any hidden kinks or clogs at the outlet. If that’s all good, then yes, a full pump/motor assembly might be next. Keep power off while you poke around—residual water can get messy. — Logan Wright
That was it. I hadn’t given that a thought. Took me until today to be able to check it. Draining like normal!

Thanks so much! — Sis65

Frigidaire Dishwasher

Not draining even after pump change

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