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Atwood 8535-IV furnace vibrating noise
After a 2 day drive to Moab, the heater starts making an intermittent vibrating noise. It still lights and heats. Atwood/Dometic is not much help other than to say it's probably the blower wheel of the blower motor. The manual says it could be a loose motor mount. I've also read about bugs and mud daubbers.
It's installed with no access from the outside, just from the top. The manual says you can do any maintenance in place but every video I've found shows people taking the unit completely out. I don't have a lot of room around it so unless I can access stuff through the top I think I have to take it out.
I've got a 6 second video that conveys the noise it's making but there doesn't seem to be a way to attach it here. If anyone knows what I can access from the top or could listen to my vid and help me diagnose I would sure appreciate it!
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