Heater fan motor - Fiberglass RV


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Old 10-19-2013, 11:47 PM   #1
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Name: Gene
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Heater fan motor

Has anyone done a replacement on their heater motor. I have a 98 Casita. My motor works but it kind of noisy. Any comments as to difficulty & cost are appreciated. I am assuming that it can't be just lubricated.
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Old 10-20-2013, 12:04 AM   #2
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Quote:
Originally Posted by Gene Masse View Post
Has anyone done a replacement on their heater motor. I have a 98 Casita. My motor works but it kind of noisy. Any comments as to difficulty & cost are appreciated. I am assuming that it can't be just lubricated.
The fans are noisy.
If you succeed a lot people would like to know about it.
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Old 10-20-2013, 08:22 AM   #3
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Name: Terry
Trailer: 1996 Casita Freedom Deluxe 17 ft
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My fan made a high-pitched whine which got worse over time. The people I talked to said that a lot of times, the heaters are noisy because of hornets building nests inside the units. They are attracted by the warmth. (You can buy a screen that fits over the heater vents on the outside of the trailer and this is strongly recommended in most areas.)

So I took a look at taking my heater apart. There was an exploded drawing of the heater in the installation manual that came in my packet of Casita stuff and it sure didn't look easy. And then there were the safety issues of putting it back together wrong. So I had a professional work on it. In my case, the fan motor was worn out and I had it replaced. It wasn't cheap (about $250) but I sleep much better now.
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Old 10-20-2013, 08:48 AM   #4
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Could be dry or worn motor bushings. Try some spray oil in the oil ports if the motor has them . Motor bushings used in high heat applications dry out rather quickly
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Old 10-20-2013, 10:36 AM   #5
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There is a very big thread on the topic

Quieting the Suburban furnace model NT-16SE, same as the NT-20SE
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