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Goodman ARUF486016CA Blower Wheel
The primary blower wheel has fins all around it and is spun around by a motor to produce a steady airflow through all the ducts. It is sometimes referred to as a squirrel cage because of the striking resemblance to that of an oversized hamster exercise wheel. Whatever you want to call it, it is definitely an important aspect that is required for a good amount of airflow.
Subtle hints that your blower wheel probably is failing
- A clanking sound is audible as the motor ramps up
- You observe a lot less air flow
- If a piece of the cage has broken off and it does not spin correctly
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