Bosch External Water Leak from Ice Maker System

Water leaking from under the refrigerator near the front or back, especially during ice production.

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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 water line connection at inlet valve, Cracked plastic water line, Leaking Bosch water filter housing, Overflow from blocked drain pan

How to Fix / Troubleshooting

Safety: Unplug the appliance and shut off the water supply immediately.

  • Inspect rear connections: Pull the unit out and check the water line connection at the Bosch inlet valve for drips. Tighten compression nuts or replace damaged fittings.
  • Check filter housing: Inspect the Bosch water filter housing and O‑rings for cracks or leaks. Replace the housing or filter if damaged.
  • Examine tubing: Follow the water line from the valve into the cabinet. Look for cracks, pinholes, or signs of rubbing against sharp metal. Replace any compromised tubing.
  • Check drain pan: Ensure the drain pan is not cracked and that the defrost drain is not blocked, causing overflow that may be mistaken for an ice maker leak.
  • Dry area and test: After repairs, dry all surfaces, restore water and power, and monitor closely for new leaks during several ice cycles.
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Repair Difficulty

Medium 3/5

Required Part

Bosch Water Line Tubing or Water Filter Housing
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