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furpod View Drop Down
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Joined: 25 Jul 2011
Location: Central KY
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Posts: 6128 		Direct Link To This Post Topic: Sewer smell in pod
    Posted: 20 Sep 2017 at 4:14pm
Originally posted by StephenH

Where is the odor the strongest? If it is under the kitchen sink cabinet, then that would indicate the AAV might be the problem. While you are under there, check the tightness of the drain fittings and look for evidence of leaks from the P trap.

If it is elsewhere, it could indicate a different problem. My parents had an RV where somehow, the vent pipe that should have gone through the roof became disconnected below the roof. I don't know for sure but is there another AAV behind the bathroom sink? Next time I go out to our 179, I will have to look and see.


There may be.. but it should be tied into the roof vent from the tank itself. We didn't have a bathroom sink.
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shroomer View Drop Down
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Posts: 236 		Direct Link To This Post Posted: 21 Sep 2017 at 7:29am
Things that go stink that I fixed:

1. Gasket at base of toilet
2. AAV valve under kitchen sink
3. Caulking around vent stack at roof
Larry and Debbie w/Rosie the mutt. Old: '13 177, '06 Silverado V6
New: '15 Whitehawk 20MRB '14 Silverado V8
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Danielw1 View Drop Down
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Posts: 115 		Direct Link To This Post Posted: 22 Sep 2017 at 7:27pm
Checked under kitchen sink and no odor at all. Only stinks in bathroom and there is water in toilet and vent is clear. It does not look like I can check the bottom of the toilet flange without pulling it. I guess I'm going to dump the tank tomorrow but this is frustrating not being able to figure it out. You should be able to go a while without dumping if everything is working properly, correct?

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shroomer View Drop Down
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Posts: 236 		Direct Link To This Post Posted: 22 Sep 2017 at 7:57pm
The valve at the bottom of the toilet will still hold water even if the gasket is bad. The gasket seals between the tank and toilet and keeps odors out. If you're going to pull the toilet make sure you have a new gasket right there to replace the old one. The stink is pretty bad. They're small cheap foam rubber thingies. Not sure where I got mine. Might have been an RV dealer that sold Thetford toilets/parts. It was a few years ago.
Larry and Debbie w/Rosie the mutt. Old: '13 177, '06 Silverado V6
New: '15 Whitehawk 20MRB '14 Silverado V8
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Danielw1 View Drop Down
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Posts: 115 		Direct Link To This Post Posted: 22 Sep 2017 at 8:23pm
Would you think the gasket could be bad after that short amount of time? It's a 15 and had very little (almost none) use by previous owner
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Posts: 236 		Direct Link To This Post Posted: 22 Sep 2017 at 8:30pm
It could be bad. It's a cheap fix. Esp if you think the smell is coming from the bathroom. Seems like you've eliminated the valve under the kitchen sink. Traps are all filled?
Larry and Debbie w/Rosie the mutt. Old: '13 177, '06 Silverado V6
New: '15 Whitehawk 20MRB '14 Silverado V8
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Danielw1 View Drop Down
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Posts: 115 		Direct Link To This Post Posted: 22 Sep 2017 at 11:58pm
Yes, all traps are filled. Guess I will try the gasket. Can't be any worse than a wax ring im sure
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Tars Tarkas View Drop Down
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Posts: 1448 		Direct Link To This Post Posted: 23 Sep 2017 at 7:38am
It's easier than a wax ring, but unless it wasn't seated properly to begin with, it doesn't seem likely to be the problem, to me anyway.  Kinda triple checking, but there's water in the shower floor trap?

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Danielw1 View Drop Down
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Posts: 115 		Direct Link To This Post Posted: 23 Sep 2017 at 9:41am
Yes water is in the shower trap. Had me wondering though.. the shower drains into the grey tank right?
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Tars Tarkas View Drop Down
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Posts: 1448 		Direct Link To This Post Posted: 23 Sep 2017 at 10:32am
Right.

TT
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