Combusion fan making noice since cleaning

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Deed

Member
Dec 22, 2007
57
Central Me
Did a complete cleaning, put the stove back in place, since then combustion fan is much louder then it was before. Any suggestion how to fix the problem?
 
Did you bend a fin on the fan which is now striking metal? May need to isolate the culprit fin if that is your sound (metallic) and carefully bend it back.
 
Out of balance causes vibrations. Bent fin might contact the housing making a scraping or squeal at full speed.
 
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