Project Source
Loose Components / Internal Wear
Garbage disposal runs but is unusually loud compared to normal operation
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Possible Causes
Loose mounting assembly, Worn motor bearings, Loose or broken impeller, Thin stainless sink amplifying vibration without support
How to Fix / Troubleshooting
Safety first: Disconnect power before tightening any hardware.
- Check for foreign objects: Inspect and clear the grinding chamber of any debris.
- Tighten mounting ring: Under the sink, tighten the three mounting screws on the Project Source mounting assembly and ensure the unit is fully locked into place.
- Add sink support: If the sink is thin stainless, consider adding sound-dampening pads or bracing to reduce resonance.
If the noise is a harsh mechanical roar or rattle that persists after these steps, the internal bearings or impellers may be worn. Replacement of the disposal is typically more economical than internal repair.
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Repair Difficulty
Easy
2/5
Required Part
Mounting Assembly
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