Last night the a/c started making a loud noise. Sounds like when a fan needs cleaned and/or oiled. Filter has been cleaned and everything else works fine. We turned it off until we know what the problem is and how to fix it but the temp outside today is 102. HELP!
Most of the fan motors can be oiled. You will have the slide the ac forward and remove it from the case to access it. You will find yellow pull pins on each end of the motor, a lite drop or two is all that is needed.
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believe it or not, most noises that start and end and start again are sometimes very easy to fix. next time you hear it open the refrigerator doorand see if your ears can pick up the sound. usually it is two bottles in the panel of the door vibrating against each other. if not thencheck your fans especially the condenser fan next to th compressor, something may be caught in the fan blade. unplug unit if you find noise and give the coils a good cleaning while you are down there anyway. let us knowhow you did
when was last time furnace was serviced --air filter change burner area cleaned vacuumed the hum can be a few reasons ---fan bearing need service [ oiled ] fan bracket bushings damaged or loose --burner out of adjustment burning improper etc these are a few