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Clear Drain Pipe Obstruction — Clean Hose and Disposal Inlet

Beginner3 hours

Part of project

How to Clean or Replace a Dishwasher Air Gap · Step 4 of 8

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In this video

After cleaning the flange, inspect the drain pipe for any blockages. In the video, crumpled newspaper is discovered inside the pipe. Use pliers and a screwdriver to carefully pull out the obstruction. Be careful not to push the blockage further down the drain. Remove all visible debris.

Goal: Drain Unclogging

  • Temporarily stuff a rag into the drain opening after clearing it to prevent sewer gases from escaping and to stop tools from falling in while you continue working.

Used in this video

  • Pliers (Pliers Type: Slip-joint pliers)Grabbing and pulling the obstruction out of the pipe.
  • Screwdriver (Screwdriver Type: Flathead)Prying and loosening the obstruction within the pipe.
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FAQs

Why is my dishwasher air gap sputtering water onto the counter?

This is the most common symptom of a clogged air gap. Debris like food particles or grease from your dishwasher accumulates inside, preventing proper drainage and forcing water out. Cleaning the air gap thoroughly, especially the internal components and hoses, should resolve the issue.

What are the essential tools I'll need for this project, especially if I'm just cleaning the air gap?

For cleaning, you'll primarily need a pair of tongue-and-groove pliers to loosen the nuts, a screwdriver for hose clamps, and a flashlight for inspection. Don't forget old towels or a bucket to catch water. If replacing, these same tools will be used, along with the new air gap unit.

How long will this project realistically take a beginner, and what's the estimated cost?

For a beginner, cleaning the air gap typically takes 30-60 minutes, while a replacement might take 1-2 hours. The estimated 3 hours allows ample time for troubleshooting and cleanup. The cost for cleaning is zero, and a new air gap usually ranges from $30-$50, making it a very affordable fix.

Are there any crucial safety precautions or warnings I should be aware of before starting this project?

Always place a bucket and plenty of old towels under the sink to catch any spilled water, as disconnecting hoses will inevitably cause some leakage. Wearing heavy-duty latex gloves will protect your hands from grime and potential sharp edges. If you're disconnecting any electrical components related to the dishwasher, turn off the power at the circuit breaker first.