roydoty Posted January 21, 2013 Report Share Posted January 21, 2013 My Conquest 90 furnace has just started chirping every 2-3 minutes. It is still producing heat and the fan runs properly. I see nothing wrong with the system and can't find anything about a chirp. Any ideas?? Quote Link to comment Share on other sites More sharing options...
John Kogel Posted January 21, 2013 Report Share Posted January 21, 2013 More info, please. Chirps only when running, or all the time? Chirps only when the blower is running or before the blower starts up? Chirp comes from what area of the furnace? Or is it coming from the ductwork? Chirps like a bird or chirps like a tire on pavement? Quote Link to comment Share on other sites More sharing options...
roydoty Posted January 21, 2013 Author Report Share Posted January 21, 2013 John, I have only heard it while the blower is running. It is a bird like chirp and I can't tell what part of the furnace it is coming from. It is a short chirp so hard to catch real well. Quote Link to comment Share on other sites More sharing options...
Marc Posted January 21, 2013 Report Share Posted January 21, 2013 I've known worn bushings in the blower motor to make an occasional, irregular short noise that I could feel but I've no idea if that would sound like a chirp. Marc Quote Link to comment Share on other sites More sharing options...
John Kogel Posted January 21, 2013 Report Share Posted January 21, 2013 Right, have the blower checked out. Bearings (or the belt, maybe). Quote Link to comment Share on other sites More sharing options...
Jim Katen Posted January 21, 2013 Report Share Posted January 21, 2013 John, I have only heard it while the blower is running. It is a bird like chirp and I can't tell what part of the furnace it is coming from. It is a short chirp so hard to catch real well. It's the blower bearings. If you can reach them, put a drop of oil on them. Quote Link to comment Share on other sites More sharing options...
roydoty Posted January 21, 2013 Author Report Share Posted January 21, 2013 Thank you all for the advice. I looked at the bearings and that was my culprit. No more squeaks! Quote Link to comment Share on other sites More sharing options...
John Kogel Posted January 22, 2013 Report Share Posted January 22, 2013 Myc, Marc and John all get a pat on the head. [] Mike, Mark and John were the Rhythm Pals on the Tommy Hunter Show (Canadian C+W trivia). Quote Link to comment Share on other sites More sharing options...
gtblum Posted January 22, 2013 Report Share Posted January 22, 2013 I've known worn bushings in the blower motor to make an occasional, irregular short noise that I could feel but I've no idea if that would sound like a chirp. Marc I got that, Marc.[] Quote Link to comment Share on other sites More sharing options...
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