Disconnect Plumbing — Disconnect the Drain Hose

Beginner

Part of project

How to Remove an Old Dishwasher · Step 2 of 6

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In this video

Disconnect the drain pipe and dishwasher hose from the garbage disposal. Loosen the screws on the drain pipe first, then remove the hose clamp from the dishwasher hose and pull off the hose.

Goal: Disconnect the drainpipe and dishwasher hose from the existing disposal unit.

Place a container or rag under the disposal to catch any water that might spill out.
If you have a dishwasher, the hose from the dishwasher to the disposal may be stuck. If so, try prying it loose with a flathead screwdriver.

Used in this video

Screwdriver (brand: Any brand, alternatives: Pliers, adjustable wrench) · optional — Removing screws and loosening hose clamps

8.8K views2165 minutes

Chris Notap

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FAQs

What are the absolute most critical safety steps I need to take before starting this project?

Before anything else, locate and shut off the electrical breaker dedicated to your dishwasher, and turn off the hot water supply valve, usually found under the sink. Verify both are off before touching any wires or hoses to prevent electric shock or water damage.

What specific tools from the list are absolutely essential for a beginner, and are there common alternatives?

You definitely need a Phillips head screwdriver, an adjustable wrench, and a bucket for drips. While specialized tools can help, these three will handle most disconnections. Ensure your screwdriver fits snugly and your wrench isn't stripped.

How difficult is this project for someone with no prior plumbing experience, and how long should it realistically take?

This is considered a beginner-friendly project, primarily involving disconnection. For a first-timer, plan for 1.5 to 2.5 hours, allowing extra time for identifying connections, stubborn fasteners, and safely managing any water spills.

I'm concerned about water leaking everywhere when I disconnect the hoses. How much water should I expect, and how do I minimize the mess?

Expect some residual water (1-2 cups) from the supply line and the dishwasher's sump. Place towels and a bucket directly under the connections before loosening them. Work quickly and have extra absorbent towels, like the WYPALL L40, ready.

Transcript

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disposal before you continue next up I'm going to take this drain pipe off right over here which is held in by two screws there's one screw on this side and another one on the other side and if you have a dishwasher you're going to have another hose that comes in and goes into the garbage disposal up on top I'm going to take this hose clamp off and we're going to take this hose off as well and one more thing I'm going to do is loosen this connector right here so that I can swivel this pipe to the side when we're going to be taking this garbage disposal out the nice thing about this job is that we're only working with drain piping so we don't have to shut any water off but do keep in mind that there is some remainder water inside the disposal and the pipes so when you start taking things off there might be some water that pours out so you might want to have a container a rag or just some paper towels on the bottom to catch some of that water now that I got the plate off I can just go ahead and swivel this to the side just like that just a fair warning the hose from the dishwasher that goes into the disposal can be really hard to pull off sometimes they're just super stuck on so if you're yanking on it and you're trying to twist it and wiggle it and it's not coming out one thing you can try doing is sticking a flathead screwdriver in right between the disposal and the end of the hose and just try to push it out this way and sometimes it works real nice other times you just have to keep struggling until it comes off once you get it moving just a little bit then it should be pretty easy to get the rest of it off or not oh there you go and the last thing we need to do is

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