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Originally Posted by eurogreek1
does this problem only occur when the AC is on or does it also do it when the heat is on? My blower will be on blast then suddenly it feels like the air flow stops but the blower sounds like it's on high! Does it sound like the controller?
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If you hear the blower motor running hard but get no air then it is likely not the fsu or any controller. my guess would be a broken fan on the motor or ducting isn't opening? Fsu failure would most likely be a slow fan or erratic fan speed. Blower motor failure would mean no spinning motor sound. Fyi my air just stopped and I had no motor sound but the bars on a.c..changed. I got into it and discovered the blower motor bearings where bound up like partly rusted. I used some penetrating oil and hand spun the fan over and over soon it spun reasonably free. Put it back together and it so far it is running.fine. next time it stops like.that I order and replace.the blower. Rmeuropean.com is my parts supplier of choice. Half.price.parts and free.shipping. and I like Art