Frigidaire Underbody Leak / Component Seal Failure

Dishwasher leaks from underneath; water appears at the sides or back of 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

Leaking sump seal, Cracked circulation pump housing, Loose or cracked drain hose, Leaking water inlet valve

How to Fix / Troubleshooting

Safety First: Disconnect power and water. Use caution when tilting the dishwasher; water may spill.

  • 1. Pull out the dishwasher: Carefully slide the unit out from under the counter to inspect the sides and back.
  • 2. Run a short test: With the unit pulled out and panels removed, run a quick cycle while observing underneath with a flashlight.
  • 3. Identify leak source: Look for drips from the sump, circulation pump, drain pump, hoses, and inlet valve. Dry the area and confirm the exact source.
  • 4. Tighten or replace hoses: Secure any loose clamps and replace cracked hoses with Frigidaire-compatible parts.
  • 5. Replace leaking components: If the sump seal or pump housing is leaking, install a new sump and seal kit or pump assembly.

Significant leaks or tub cracks should be addressed by a professional to prevent further damage.

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Repair Difficulty

Hard 4/5

Required Part

Sump and Seal Kit
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