Garbage disposal noisy: grinding, rattling or vibration
A foreign object in the chamber is the most common cause of loud metallic noise. Loose mounting, a worn cushion mount and worn bearings cause vibration and rumble. Odor and visible waste at the flange after running are also signs of a partial jam.
Before you start
- Power OFF and unplugged before inspecting
- Never put a hand in the disposal
Diagnostic steps
Unlock all 4 steps with expected values
Full library + AI assistant for $34.90, one time.
Get lifetime accessOnCall Tech is a reference tool for trained technicians and can make mistakes. Always disconnect power and confirm with the manufacturer's documentation before you work.
