Siemens Internal Hose or Tub Seal Leak

Washer is leaking water from the rear or bottom during wash or spin

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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 or cracked drain hose, Split sump hose from tub to pump, Leaking tub bearing seal, Cracked outer tub

How to Fix / Troubleshooting

Safety first: Unplug the washer and close water taps. Be prepared for water when removing hoses.

Steps to check and address rear/bottom leaks:

  • Inspect external hoses: Pull the washer forward and check the main drain hose and inlet hoses for cracks, loose clamps, or drips during a test fill.
  • Check sump and internal hoses: Remove the rear or bottom panel. Look for water trails or mineral deposits around the sump hose, pump, and tub connections. Tighten or replace hose clamps and any hoses that are soft, swollen, or cracked.
  • Observe during operation: With panels off and proper safety distance, run a short cycle and watch for the exact leak point.

When to call a technician: If the leak originates from the tub seam, bearing seal, or a cracked outer tub, specialized tools and parts are required and professional repair is recommended.

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Repair Difficulty

Hard 4/5

Required Part

Sump Hose
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