Bosch
Internal Hose or Tub Leak
Washer 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
Split tub-to-pump hose, Loose hose clamp, Cracked plastic tub, Leaking pump housing
How to Fix / Troubleshooting
Safety first: Unplug the washer and shut off water supply. Mop up any standing water to avoid slipping.
- Tip and inspect: Carefully tilt the washer and look underneath with a flashlight to identify the leak source.
- Check hoses: Inspect the large black tub-to-pump hose and other internal hoses for splits or loose clamps. Tighten or replace as needed.
- Inspect pump: Check the drain pump body for cracks or leaks around the seal.
- Replace faulty parts: Install Bosch-compatible hoses or pump as required. Ensure all clamps are secure before testing.
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Repair Difficulty
Hard
4/5
Required Part
Tub-to-Pump Hose
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