Samsung Internal Hose or Sump Leak

Dishwasher leaks from underneath the unit; water appears on the floor under the cabinet.

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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

Loose hose clamp, Cracked sump assembly, Leaking circulation pump seal, Damaged drain hose

How to Fix / Troubleshooting

Safety: Disconnect power and water before pulling the dishwasher out.

  • Pull unit out: Remove mounting screws and carefully slide the Samsung dishwasher out of the cabinet.
  • Inspect while running: With panels removed and power restored, run a short cycle and observe for drips from hoses, pump, or sump.
  • Tighten or replace hoses: Tighten any loose clamps. Replace hoses that show cracks or bulges.
  • Replace leaking components: If the sump or pump housing is cracked or leaking at the seal, replace the sump assembly or circulation pump as needed.
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Repair Difficulty

Hard 4/5

Required Part

Sump Assembly
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