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Old 11-18-2005, 11:18 AM   #1
Jim
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the fan that blows through the floor ducts of the coach has a loud whine on both low and high settings..would appreciate if anyone can tell me how to get at it..thanks..jim
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Old 11-18-2005, 11:18 AM   #2
Jim
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the fan that blows through the floor ducts of the coach has a loud whine on both low and high settings..would appreciate if anyone can tell me how to get at it..thanks..jim
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Old 11-18-2005, 01:24 PM   #3
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Are you talking about the fan motor that runs with the Gas furnace? If so yes it will wine. If you are talking about the one off the engine heater that blows hot air through the MH No.
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Old 11-18-2005, 03:43 PM   #4
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Jim,
Our auxilary coach heater fan (runs off the engine heat) started to make a good bit of noise & wouldn't start up on low about 2 years ago. The fan is located behind the water heater & I crawled inside of the forward drivers side compartment & dribbled as much 3 in 1 oil as I could on the bearing areas. That was 2 years ago & its been fine ever since.
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Old 11-18-2005, 06:36 PM   #5
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Need help also. My coach heater fan has a terrible noise on high or low. We have a 2001 37g. Anyone know where the fan is or how to access it? I will try the oil on the fan bearing trick if I can find the fam.
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Searay
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Old 11-19-2005, 03:11 AM   #6
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I have the same problem intermittently, so will be interested as to where it is located too.
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Old 11-19-2005, 04:20 AM   #7
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I have the same problem and effectively can't use the heater because it is so noisy. Tried to access but can't get to both bearings without removing water heater, and that doesn't look easy.
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Old 11-19-2005, 01:07 PM   #8
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The DC motor in the propane furnace was making noise like the squirrel cage fan was
hitting a metal housing, on low and hi! Pulled the unit and found the motor was to heavy
for the plastic housing that held it and the fan ! I built a support onto the back of the
motor to keep it level, and to keep the fan off the housing. Called the company and I
am the only one to ever have this problem-----SURE I AM!!!! TENN.VOL.
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Old 11-21-2005, 12:31 PM   #9
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by Ronald Smith:
I have the same problem and effectively can't use the heater because it is so noisy. Tried to access but can't get to both bearings without removing water heater, and that doesn't look easy. </div></BLOCKQUOTE>
It is a very high pitch noise on both low & high. I would like to know how to quiet it down also. As stated in cold weather driving, using this feature will stop your basement from freezing as you drive.
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Old 11-21-2005, 01:31 PM   #10
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by Jim:
the fan that blows through the floor ducts of the coach has a loud whine on both low and high settings..would appreciate if anyone can tell me how to get at it..thanks..jim </div></BLOCKQUOTE>

If you are talkig about the fan that hats the coach from the engine it is behind the water heater. Mine got noisy one season, then would only run on high. I tried everything I culd to get some lubrication to it but to no avail. It must get wet somehow. anyway, to get to it you have to remove the hot water heater.
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Old 11-21-2005, 01:46 PM   #11
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OK, I think we have one of those problems where most people live with it, thinking I'm the only one until the problem comes up on the board.

We have a 03 33V Suncruiser with the exact problem. Cant start the fan on low and on high, makes a loud sound.

Can anyone confirm how tough it is to get to the fan and fix?

thanks, jim
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Old 11-21-2005, 03:15 PM   #12
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hi..i have been traveling and not able to check out the info you all provided..in the next day or so i will take a look for the fan and let you know how i make out..thanks..jim
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Old 11-22-2005, 02:00 AM   #13
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Jim, I believe you're talking about the "MotorAid" heater fan, located right behind your water heater. You have to pull the water heater out to get access to the fan. Not a fun job because of the cramped compartment. While you've got the water heater out, consider replacing the check valves on the back of the water heater with good 'ol positive-shutoff three way valves; -makes for easy winterizing & peace of mind.
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Old 11-22-2005, 04:45 AM   #14
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If you keep using it while it's making noise, it will eventually bind on the shaft (it was probably manufactured poorly to begin with) and start blowing fuse. If you end up taking it out yourself, you might be able to repair/modify the way the squirrel cage is pressed on to the shaft...be sure you check the condition of the heater hoses going to and from it while you have it out.
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