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Disassemble the P-Trap — Loosen the Slip Nuts

Beginner90 mins

Part of project

How to Clean Out and Unclog a Bathroom Sink P-Trap · Step 2 of 6

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In this video

Unscrew the two slip nuts that connect the P-trap to the rest of the drain assembly. These can usually be loosened by hand by turning them counter-clockwise. If the fittings are metal or are too tight, you may need to use adjustable pliers. Loosen both nuts completely and gently pull the P-trap down to remove it, allowing the contents to drain into the bucket.

Goal: Remove P-Trap

  • Be prepared for water to drain out as soon as the seal is broken.

Used in this video

  • Adjustable Pliers (Pliers_Type: Channel-Lock) · optionalTo loosen stuck or metal slip nuts.
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FAQs

What tools and materials do I absolutely need for this project, and are there any common household items that can substitute?

You'll primarily need Channellock pliers, a bucket, and a brush. A towel is also crucial for managing spills. While specific plumbing washers are listed, you might have a similar brush for cleaning, but proper pliers and a bucket are essential. Do not substitute specific plumbing washers.

Are there any important safety precautions or warnings I should consider before I start cleaning my P-trap?

Always turn off the water supply to the sink before starting to prevent unexpected water flow. Wear gloves to protect your hands from grime, bacteria, and any cleaning solutions you might use. Have plenty of towels on hand for spills, and work in a well-ventilated area if using strong cleaning agents.

This project is labeled 'beginner' and estimated at '90 minutes.' Is that realistic for someone with limited plumbing experience?

Yes, this is a very beginner-friendly project, and the 90-minute estimate is generally realistic. It accounts for gathering tools, disassembling, cleaning, and reassembling. If you encounter seized nuts or need to replace old, brittle washers (like the Oatey rubber washers), it might take a bit longer.

My sink still leaks after I reinstalled the P-trap. What's the most common reason for this, and how can I fix it?

The most common reason for leaks after reinstallation is improperly seated or worn-out slip-joint washers. Disassemble the connections, check that the rubber washers (such as Oatey 1-1/2 in. rubber washers) are correctly oriented, not cracked, and properly seated within the slip nuts. Hand-tighten nuts first, then give them a final snug quarter-turn with your Channellock pliers.

Transcript
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All right, first thing you want to do is just come up here and you take, you could do it by hand, if it's made of plastic, if it's metal, you'll need to have a pair of adjustable pliers, but here you just take it and you loosen it just like this, and we're going to pull this up, so that is loose, we're going to come over to this other part of the trap right here, we're going to loosen that as well, and this is where it's going to start to leak a little bit, we're going to put it down into the bucket, and we're going

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