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Remove Garbage Disposal — Remove the Old Garbage Disposal

Beginner3 hours

Part of project

Replace Your Garbage Disposal: Step-by-Step Guide · Step 3 of 5

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In this video

Support the garbage disposal from below with one hand. Locate the metal retaining ring that connects the disposal to the sink flange. Insert a screwdriver into one of the three looped tabs on the ring. Turn the ring counter-clockwise. You may need to tap the screwdriver gently with a hammer or use the special tool that came with the disposal. As the ring turns, the disposal will detach and drop down. Carefully lower it to the cabinet floor.

Goal: Garbage Disposal Repair

  • The garbage disposal is heavy. Ensure you have a firm grip on it before it detaches to prevent it from falling and causing damage or injury.
  • A helper can hold the disposal while you work on the retaining ring, making the process much easier.

Used in this video

  • Screwdriver (Tool Type: Hand Tools, Power Source: Manual, Material: Metal, Screwdriver Head Type: Flathead)Turning the retaining ring to release the garbage disposal.
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FAQs

Is replacing a garbage disposal truly a beginner project, and what might make it take longer than 3 hours?

While rated beginner, unexpected issues like rusted pipes or a stubborn old mounting ring can extend the time significantly. Having the right tools, a clear workspace, and pre-reading your new disposal's manual will help keep it on schedule. If you encounter major plumbing issues or complex electrical wiring, consider calling a professional.

Beyond the listed tools, are there any other materials or tools I might need for a smooth installation, like plumber's putty?

Yes, plumber's putty is essential for creating a watertight seal for the new sink flange. Electrical tape might be needed for secure wire connections if your new disposal requires hardwiring. A good flashlight will also be invaluable for working in the dark cabinet under the sink.

What crucial safety precautions, beyond turning off the power, should I absolutely follow during this replacement?

Always double-check the power is off at the disposal outlet and the breaker before starting. Wear safety glasses to protect from debris and sturdy gloves, especially when handling tools or old components. Be mindful of the disposal's weight; it can be heavier than expected, so support it properly to avoid injury.

My new disposal is leaking after installation. What are the most common leak points I should check first?

The most common leak points are the mounting ring connection to the sink flange, the discharge pipe connection to the disposal, and the dishwasher inlet plug (if applicable). Ensure all bolts are tightened securely, the plumber's putty has a good seal, and hose clamps are firm. Avoid overtightening plastic fittings, as they can crack.