American Standard Blower or Inducer Motor Bearing Wear

Furnace produces a high-pitched whine or squeal during operation

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.

Possible Causes

Worn blower motor bearings, Failing draft inducer motor, Loose or misaligned blower wheel, Debris in inducer housing on American Standard furnace

Safety: Turn off power before touching moving parts.

Identify noise source:
- Listen near blower compartment vs. inducer area.
Inspect blower:
- Check for rubbing blower wheel or loose set screw.
- Remove debris if present.
Replace motor if bearings are noisy:
- Install OEM blower or inducer motor matched to your American Standard model.

Hard 4/5

Draft Inducer Motor

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