Bosch
Internal Hose or Sump Leak
Washer-dryer leaks water from underneath the machine
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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
Cracked tub-to-pump hose, Loose hose clamp, Split sump hose, Leaking circulation hose
How to Fix / Troubleshooting
Safety first: Unplug the appliance and turn off water. Be prepared for water when tilting the unit.
- 1. Tilt and inspect: Carefully tilt the machine and look underneath for signs of water trails and drips.
- 2. Remove panels: Take off the front lower or rear panel to access internal hoses.
- 3. Check hoses and clamps: Inspect the large black sump hose, tub-to-pump hose, and any circulation hoses for cracks or loose clamps. Tighten clamps or replace hoses as needed.
- 4. Test for leaks: After repair, run a short cycle while observing the underside for any further leakage.
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Repair Difficulty
Medium
3/5
Required Part
Tub-to-Pump Hose
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