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Hi, I'm Tim and I'm an HVAC expert here to assist you with your questions. Please provide all information I request as it makes it more difficult to troubleshoot something when I'm not there onsite. Essentially, you become my eyes and ears. Thanks for the opportunity to help. At the end of our dialog, you will have a chance to rate my service, but please wait until we are finished and you're satisfied you have all the information you need.
Unfortunately, the motor will need to be replaced. They do not make these motors with replaceable bearings.
I think you could do it. Make sure you order an OEM replacement motor from one of the many sites that sell Coleman parts so the wiring will be the same. Mark everything before you start so you know where all the wires go. I think if motor gets noisy after a while,, then, yes, this is most likely the issue.
I also recommend replacing the run capacitor at the same time.
If you are talking about the blower wheel, no I doubt it. It's not very often these need replacement unless they are out of balance. Motors typically run $150-200, run capacitors are cheap at usually under $15
Wherever you purchase it, they should be able to tell you if it is a "generic" motor. or an OEM replacement.
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