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Garbage Disposal Making Noise? Here’s What’s Wrong

If your garbage disposal is singing a song that you don’t recognize, there is likely something wrong that requires fixing. Here’s why your garbage disposal is making strange noises.

Why is my garbage disposal making bad sound?

If your garbage disposal is making noises you don’t recognize or that don’t sound quite right, it could be an issue with the parts in the system. Here’s what could be going wrong.

Potential issues

  • garbage disposal is vibrating
  • garbage disposal is making a different sound

The inside of your garbage disposal looks like a long tube with vertical slots cut in the walls. At the bottom of the tube is a plate with blades. As the blades spin against the inner wall, it cuts the food waste into tiny pieces that then get washed through the slots and down the drain. However, if something goes into the disposal that the blades can't cut through, or the disposal isn't used often enough, the blades can seize and stop spinning. Depending on the reason they seized, you may just need to get them unstuck or you may need to replace the unit completely.


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