KitchenAid Discharge Elbow Gasket Failure

Garbage disposal runs but there is a constant water leak at the discharge elbow connection to the drain pipe.

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Possible Causes

Loose discharge elbow screws, Damaged rubber discharge gasket, Misaligned discharge elbow

How to Fix / Troubleshooting

Safety First: Turn OFF power and avoid running the disposal until the leak is fixed.

Step-by-step:

  • 1. Inspect connection: Look at the discharge elbow where it attaches to the KitchenAid disposal. Check for drips while running water.
  • 2. Tighten screws: Use a screwdriver to snug the mounting screws evenly around the discharge elbow flange.
  • 3. Replace gasket: If tightening does not stop the leak, remove the elbow, inspect the rubber gasket, and replace it if cracked or flattened.
  • 4. Reinstall elbow: Align the elbow properly and tighten screws evenly to compress the gasket.
  • 5. Test for leaks: Run water and operate the disposal briefly to confirm a dry connection.

When to call a technician: If the disposal housing around the discharge port is cracked, the unit must be replaced.

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Repair Difficulty

Easy 2/5

Required Part

Discharge Gasket
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