Question about Bosch Axxis WTA 3510 Electric Dryer

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Drum drive/motor growling, also very brief repeated hesitation audible

During drum rotation drive/motor noise significantly louder than usual producing a deep consistent growling sound. Sound is similar to "normal" operation, only significantly louder.
Another symptom might occur several times a minute. Audible hesitation in drive motor with each hesitation lasting only a fraction of a second. This is not the,much longer, normal hesitation of stopping and restarting drum rotation.
This 3 to 4 year old machine still drys OK, but I am concerned that a failure is lurking somewhere inside.
Thanks for your help! Dale

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Re: drum drive/motor growling, also very brief repeated...

Dale you are correct, the dryer has a part starting to fail. If you remove the top and shift the cabinet the noise may increase or decrease. If this happens, then the rear panel is bent in that supports the rear bushing. You can replace that to resolve this. If the noise doesn't change, I suggest you check the blower, Sometimes the blower will spin freely on the motor shaft and cause a noise. Since this blower wheel also cools the motor, it could be spinning. Try removing the blower and add a washer behind it to tighten it to the motor shaft. This is just a press fit blower wheel. If that doesn't resolve the issue, then replace the blower wheel. Hope this helps.

Posted on Jan 28, 2008

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