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Location: Hartsville, SC | Turned on air conditioner today and it is running but very heavy noise and vibrating. Son took it to car wash 2weeks ago. Any ideas? Never has been heavily used and never done this. 2007 Sundowner living quarter factory. Thanks. |
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Veteran
Posts: 203
Location: Lander WY | Is the shroud cracked? Perhaps the overhead hose or hose reel at the car wash damaged the shroud? |
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Location: Hartsville, SC | Ahhh. Will look tomorrow. Thanks. |
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Expert
Posts: 5870
 
Location: western PA | A friend of ours had a similar problem. The fan motor wouldn't work and he called a dealer. $100 to trouble shoot the problem; because the unit "was so old" he'd put in a new one for $1400, it was his "best" advice. We pulled the shroud and found a large wasp nest that was blocking the fan's rotation. We added some synthetic oil to the shaft bearings, cleaned things up and everything now works well. We found the top part of the cooling fins were bent, apparently from backing into a branch. With a small bladed common screw driver and patience, they were opened up and working again. Total time spent was about an hour, with straightening the fins taking most of the effort. Cost $00.00. It operates like a new unit. The shroud has about a dozen screws; an electric drill with a #2 phillips bit takes them out in a minute or so. With the shroud removed you have full access to all the mechanical components of the AC unit. The motor and fan is in the aft part, and easily accessed, with clearance all around. If something is amiss, repairs are easily effected. It is an easy DIY project. |
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Location: Hartsville, SC | Thanks Gard. Will sure go up tomorrow. Wasps were real bad this summer here and I did not ride at all due to heat here in SC. |
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Extreme Veteran
Posts: 342
Location: MS | I had exactly the same thing happen to mine. It turned out that it was dirt daubers nest that had stopped the fan. Unfortunately, it did bend the shaft so the AC never was quiet again. I used it for a couple more years but it finally died on its own.Now, I keep an AC cover on all the time that I am not using the trailer. |
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Expert
Posts: 2957
Location: North Carolina | A dirt dauber nest on the fan would unbalance it and cause extreme vibrations. There is a plastic tool called a "Fin Comb" that straightens bent a/c fins very quickly. less than $20 will save hundreds of $$ use it on your home a/c unit too. http://www.bing.com/shopping/search?q=fin+comb&qpvt=fin+comb&FORM=HURE |
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Location: Hartsville, SC | Thank you all. Will let you know. Debra |
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Veteran
Posts: 203
Location: Lander WY | What did you find out? |
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Location: Hartsville, SC | Ashamed to say I haven't gotten to it yet. Soon.:) will let you know thanks very much for asking. This is one of those times that EVERYTHING is broken. |
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Veteran
Posts: 264
Location: Sumas Washington | I had a noisy AC unit, took the lid off and found that the compressor had come loose from the mount. As it ran it was hammering on the base of the unit. I reinstalled the compressor mount and tightned the nut, WALA!! quiet again. |
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Air conditioner making loud noise while running
