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Old 04-09-2015, 10:00 AM   #1
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Smile My front airconditioner is making a funny noise when it starts up.

When I try to use the front aircondioner in Our Holiday rambler Endeavor 2004, it sounds like there are leaves in the blower and then it stops, making the noise.I need if any body has had the same problem what You do it stop it. I took the top off of the unit and when I turn the mortor shapt it isn't real smooth turning.some times I turn on the unit and it has a hard time starting up.I switch the fan controls over to manual and then it starts up, but is making a noise, like leaves in the squirrel cage fan housing.if any body has had any problem like this could You help Me.

Thanks

Phil in Lavonia
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Old 04-09-2015, 11:22 AM   #2
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Could it be a bearing going bad? If you can get to the bearing on the motor shaft try spraying a little lube on it & see if it gets any better. (unless it is a sealed bearing)
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Old 04-09-2015, 11:31 AM   #3
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I ran into this several times on furnace's. They used a squirrel cage fan. It was made of plastic. The plastic broke and the fan got out of shape and hit the side of the enclosure. I don't know if this is your problem, but you might check it.
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Old 04-09-2015, 07:16 PM   #4
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Mine was doing the same thing. I took the shroud off and could hardly turn the motor so I went ahead and ordered a replacement motor, cost ~$120.

When I took the old motor out you have to disconnect it from the front blower and then take the motor and rear blower with shroud attached off as an assembly. While doing this I found that the motor mounts had failed/collapsed and it let the rear fan hit the shroud, which was probably what was making some of the noise. The motor does not have any good may of lubricating the bearings, they are sealed and you cannot replace them.

Got the new motor in and installed and the AC worked great, started right up with no hesitation with the compressor. It was a lot quieter also.
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Old 04-09-2015, 07:27 PM   #5
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One of the units on my 94 did this. There were 2 ports near the fan shaft covered with little plastic caps, which you could remove and add oil to the bearings. I did this and squirted some white lithium grease on the shaft and was good to go. Good luck
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Old 04-09-2015, 07:30 PM   #6
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Mine was doing similar as well. Fearing the worst, I pulled the shroud and had a look around. Couldn't find the problem at first, but then located the nest mud daubers had built in the squirrel cage. One thorough cleaning later, we're back in business, good as new!
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Old 04-13-2015, 08:35 PM   #7
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I had the same problem as ahicks the mud daubers seem to like the squirrel cage I have had to remove them twice now.
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