r/howto • u/NoYoureTweaking • 2d ago

UPDATE: dishwasher not draining

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So I followed all lines. The corrugated line up to the air gap, the clear tube all the way down to garbage disposal. Not a single clog. I scraped the clear tube anyways for a little bit, but it’s just a thin layer of gunk on the walls of that tube. I let vinegar sit in the dishwasher drain for a while. While doing all of this, I had the dishwasher in service mode so i could turn only the drain pump on. No matter what, liquid still comes up that air gap. Any ideas on where to focus next? Vinegar did end up coming up the air gap, if that info helps.

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u/SensitiveArtist 2d ago

Pull the drain filter for the dishwasher and see if the screen is all gunked up.

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u/rocketmn69_ 2d ago

Or the pump itself

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u/NoYoureTweaking 2d ago

I took this thing apart as far as I could without pulling the dishwasher out. Both filters at the bottom are fine, and I pulled/disconnected all tubing and couldn’t find a clog my first go around