My furnace works great but its rattle very soon. Don;t know much but could the squirrel pen be out of round?
Answers: If one of those cling free tissues got into the blower tiller; you will have adjectives kinds of rumblings.
It may a moment ago be a loose bolt. Vibration can cause this. It is possible that bearing have gone impossible but I would look for the bolts first. Once you remove the cover, you may be able to locate the source of the jingle.
More Questions and Answers...