Rheem Blower / Fan Mechanical Failure

Heater blower or fan is very loud, squeals, or vibrates excessively

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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 blower motor bearings, Debris in blower wheel, Loose mounting hardware, Imbalanced fan blade

How to Fix / Troubleshooting

Safety First: Turn off power before working near moving parts.

  • Inspect blower compartment: Remove access panel and check for leaves, nests, or debris in the blower wheel. Clean carefully.
  • Check mounting bolts: Tighten any loose screws or brackets securing the blower assembly.
  • Spin test: With power off, spin the blower wheel by hand. If it feels rough, wobbles, or grinds, the motor bearings may be failing and the blower assembly should be replaced.
  • Replace blower assembly: Install a Rheem-approved blower/fan assembly, transferring any gaskets or wiring harnesses as needed.
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Repair Difficulty

Medium 3/5

Required Part

Blower Assembly
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