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Old 08-12-2014, 10:23 PM   #11
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Originally Posted by MIFarmer View Post
You're trying to troubleshoot something that's already been troubleshot:
My apologies...
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Old 08-12-2014, 10:40 PM   #12
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But i have the same Problem with closed tanks., fan on, smell. I replaced the galley air valve last year, need to do the bathroom next.

Brian
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Old 08-13-2014, 07:50 AM   #13
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But i have the same Problem with closed tanks., fan on, smell. I replaced the galley air valve last year, need to do the bathroom next.

Brian
Brian, these valves typically work great. I am willing to bet you have a different issue going on. I wish you had mentioned it at the rally, as I (or the tech team) could have looked at it.

Things to check:

Buildup between the toilet base and the flush valve plate (pressure wash or remove and clean - use new rubber seal to reinstall)
Bad seal between toilet and black tank fixture (reseal with new gasket)
Moldy damp hand towel under sink (found mine after an odor search)
No (or low) water in shower trap
No (or low) water in vanity sink trap
Slow water leak causing rot and mold
Cracked holding tank plumbing (not enough antifreeze in traps during winterization)

Running the fan creates a negative pressure in the camper that will pull air from whatever source there is. In a sealed plumbing system, the negative pressure should pull the flapper closed in the valve; not open it.

They are pretty simple devices and it stretches the imagination that you have (had) two bad ones in a year.
Herk
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Old 08-13-2014, 11:16 PM   #14
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Herk7769 I have checked all those things several times the last two years I didn't have this issue the first year and a 1/2 we owned this rig. I also never had the issue with My old camper. I have tried to keep the grey tank valves closed and open it makes no difference. the odor is definitely coming from somewhere under the sink compartment or the basement area where the plumbing is. I searched for leaks and found none I even used mirrors in areas I couldn't reach. Is there anywhere we could get a plumbing blueprint of this rig. My rig is a 2012 silverback 29RE. It is there weather or not we run the fan. It is definitely a rotten cabbage septic odor. If there isn't one of these vents under the cabinet there has to be something else causing this issue. I am a full time seasonal camper and live in the rig from may until sept. every summer. I pulled all the drawers out of the kitchen cabinet and couldn't find anything and the vent pipe seemed to run up along sid eof the shower enclosure. I also am anal about winterizing and usually use 4 gallons of the pink stuff to winterize my trailer dumping most of it in down the drains so the traps are full and the valve are under the antifreeze so if there is water it may not freeze hard. Also i didn't see a trap under the shower drain but some kind of check valve I'm assuming. But the odor doesn't come from the shower either.
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Old 08-13-2014, 11:18 PM   #15
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Oh yes I did find of of these vents under the bathroom sink but there is no odor there either. So I am assuming it is working properly.
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Old 08-14-2014, 08:49 AM   #16
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Oh yes I did find of of these vents under the bathroom sink but there is no odor there either. So I am assuming it is working properly.
This sounds like it could be a "dead critter" odor.

You may need to look under the belly covering/heater vents for the source.
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Old 08-19-2014, 10:22 PM   #17
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I contacted my dealer and he hooked me up with his service person. Got on the roof checked all the roof vents. Wanted to make sure they were all connected properly at the factory. He told me to run a 5 gallon pail of hot water down the tub. I removed the wall that covered the plumbing and mechanical components. I found a small leak in the shower the drain pipe was loose. The was no pop- vent in the kitchen nor were there any dead animals. I don't believe the shower was the source of the odor because it was just seeping and not even a drip of a leak. The odor has mysteriously disappeared as fast as it appeared.
After doing all the dealer told me to do I called him back and he returned my call. He had several other cedar creek trailers with the same issues. He contacted cedar creek about it and even though there are several posts on this site and several others I know personally that have had the same issue they told him they had no knowledge of this issue. He told me if it comes back to list all the thing done before and after the odor appears. and log everything. During my search I found several interesting things that would have given me future issues. Most on the roof where quality was lacking in assembly.
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Old 08-19-2014, 10:32 PM   #18
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Originally Posted by Herk7769 View Post
Brian, these valves typically work great. I am willing to bet you have a different issue going on. I wish you had mentioned it at the rally, as I (or the tech team) could have looked at it.

Things to check:

Buildup between the toilet base and the flush valve plate (pressure wash or remove and clean - use new rubber seal to reinstall)
Bad seal between toilet and black tank fixture (reseal with new gasket)
Moldy damp hand towel under sink (found mine after an odor search)
No (or low) water in shower trap
No (or low) water in vanity sink trap
Slow water leak causing rot and mold
Cracked holding tank plumbing (not enough antifreeze in traps during winterization)

Running the fan creates a negative pressure in the camper that will pull air from whatever source there is. In a sealed plumbing system, the negative pressure should pull the flapper closed in the valve; not open it.

They are pretty simple devices and it stretches the imagination that you have (had) two bad ones in a year.
Herk
Herk,
Happened at 11:30 on Friday night, never had the smell before. it was the Grey Tank, I went and dumped it at midnight after my shower so it is possible while the fan was one and I was showering the valve was open and the fan pulled air out. Earlier in the week we did fill the shower thank up so it is possible that back pressure had done something. The issue I had last year with the kitchen sink was the valve was loose had fallen off and I replaced it as I had a spare in the shop. I did not look at this when I got back from goshen, just cleaned up the trailer and stored it till September. I did load the soap and softener before we left and flushed the tank when i arrived home 400 miles later. Was clean, no smell.

Brian
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Old 08-22-2014, 10:44 AM   #19
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I believe my problem may have been coming form the shower drain since I tightened it the odors are gone. the only other thing it could be is if one of the vent pipe couplings was loose and walking on the roof my have reseated it. If that is the case I may have to run a portable camera down the vent pipe. But looking under the camper I was amazed at the mess that they left under the mechanical area that it would have only took a couple minutes to hit with a vacuum before sealing everything up. If or when you have a plumbing leak all that sawdust will be much harder to clean up.
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