Bissell
Clean Water Tank or Valve Leak
Carpet cleaner leaks clean water or solution from the bottom when not in use.
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Possible Causes
Damaged clean water tank cap seal, Cracked tank body, Worn tank bottom valve, Mis-seated tank on base
How to Fix / Troubleshooting
Safety: Unplug the unit and remove all tanks before inspection.
- 1. Inspect tank cap and gasket: Remove the clean water tank cap and check the rubber gasket for cracks, warping, or missing sections. Replace the cap or gasket if damaged.
- 2. Check bottom valve: Examine the tank bottom valve assembly for cracks or debris preventing it from sealing. Clean with warm water and replace if the spring or seal is worn.
- 3. Look for tank cracks: Hold the tank up to a light and inspect for hairline cracks, especially around seams and corners. Replace the clean water tank if any cracks are found.
- 4. Verify tank seating: Reinstall the tank, ensuring it sits flat and locks into place. A misaligned tank can leak around the base grommets.
- 5. Base seals: If water appears around the base even with a known-good tank, inspect and replace the tank-to-base rubber seals / grommets.
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Repair Difficulty
Easy
2/5
Required Part
Clean Water Tank Assembly
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