Ruud
Inducer Motor Bearing Failure or Blocked Inducer Wheel
Furnace produces a high-pitched whine or loud rumbling from the inducer area.
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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
Worn inducer motor bearings, Debris in inducer wheel, Water accumulation in inducer housing, Loose inducer mounting screws
How to Fix / Troubleshooting
Safety: Turn off power and gas before removing inducer assembly. Inducer is part of the venting safety system.
Steps to check:
- Inspect inducer housing: Remove the burner door and visually inspect the inducer for cracks, water leaks, or loose mounting.
- Tighten screws: Gently tighten inducer mounting screws if loose.
- Listen to motor: If the inducer squeals or grinds when running, the motor bearings are likely failing and the inducer assembly should be replaced.
- Check condensate drain: On condensing models, ensure the condensate line from the inducer is not blocked, which can cause water buildup and noise.
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Repair Difficulty
Hard
4/5
Required Part
Inducer Motor Assembly
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