Tweeny Foreign Object in Grinding Chamber

Garbage disposal makes loud metal-on-metal grinding or rattling noises during operation

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Possible Causes

Metal utensil dropped into disposal, Small screws or hardware in chamber, Broken glass pieces, Loose impeller lug

How to Fix / Troubleshooting

Safety First: Turn OFF the switch and disconnect power. Never reach into the disposal with your hand.

  • Step 1 – Visual inspection: Shine a flashlight into the sink opening and look for foreign objects.
  • Step 2 – Remove objects: Use long-nose pliers, tongs, or a magnetic pickup tool to remove metal or glass pieces.
  • Step 3 – Check impeller lugs: Gently move each lug with a wooden tool to ensure they pivot freely and are not broken.
  • Step 4 – Test briefly: Restore power, run water, and test for a few seconds. If noise persists, internal damage may have occurred.
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Repair Difficulty

Easy 2/5

Required Part

Tweeny impeller lugs
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