The blower is now making a loud high-pitched whining noise. Can anyone suggest anything, please? There's a little plastic yellow plug on the top side of the motor. Does that take oil/lubricant? Maybe it needs to be lubricated, even though the manual says it's pre-lubricated and shouldn't need more. Furnace is about 15 years old.

Asked by Jack on 10/29/2009 1  Answer

ManualsOnline posted an answer 14 years, 11 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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