Thor Kitchen
Underbody Leak
Dishwasher leaks water from underneath; water appears on the floor beneath the unit.
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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 on circulation or drain hose, Cracked sump or tub, Leaking pump seal, Inlet valve connection leak
How to Fix / Troubleshooting
Safety first: Immediately turn off power and water to the dishwasher to prevent electrical hazards and further water damage.
Step-by-step checks:
- Remove toe-kick: Take off the lower front panel and inspect with a flashlight while running a short cycle.
- Identify leak source: Look for drips from the sump, pumps, hoses, or inlet valve. Mineral trails often show the leak path.
- Tighten connections: Gently tighten hose clamps and compression fittings that are seeping.
- Replace damaged parts: If you see cracks in the sump, hoses, or pump housings, replace the affected component.
- Dry base pan: Mop up any water in the base pan and ensure the leak sensor (if present) is dry.
Warning: Do not operate the dishwasher until the leak is fully resolved.
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Repair Difficulty
Hard
4/5
Required Part
Sump and Seal Kit
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