Tweeny
Sink Flange / Mounting Seal Leak
Garbage disposal leaks from the top where it meets the sink
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Deteriorated sink flange gasket, Loose Tweeny mounting ring, Improper plumber's putty seal, Corroded sink flange
How to Fix / Troubleshooting
Safety First: Turn OFF power and do not operate the disposal while it is leaking.
- Step 1 – Confirm leak location: Run water without operating the disposal and look for water seeping around the sink flange above the unit.
- Step 2 – Tighten mounting ring: Use a mounting wrench or screwdriver to evenly tighten the three mounting screws on the Tweeny mounting ring.
- Step 3 – Reseal flange if needed: If tightening does not stop the leak, support the disposal from below, release the mounting ring, and remove the sink flange. Clean old putty and reseal with fresh plumber's putty or replace the Tweeny flange gasket as specified.
- Step 4 – Reassemble and test: Reinstall the flange and mounting assembly, tighten evenly, then test for leaks.
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Repair Difficulty
Medium
3/5
Required Part
Tweeny sink flange and mounting gasket
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