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Old 09-19-2018, 11:14 AM   #1
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X213 Interior smells

Went in X213 the other day to get some things and she smells awful! There is water in the commode I think itís coming from the grey - maybe? Last trip out (3 weeks ago) we had a smell near the rear slide when I flushed, we thought this was the A/C sucking in the black tank fumes. But now she has been sitting for a few weeks and the smell is still there. I tried the GEO method (Calgon and Dawn) last time could that be it?

There is water in the black (I can see it) the smell is not coming from the bathroom or the kitchen sink. Itís coming from the area under the shower or refrigerator best I can tell. I lifted the panel and could smell it bad from inside there. Don't see any water I also opened the small door that accesses the drain valves and such and could smell It but see no reason for the smell. What the heck could be back there????

I have no smell outside or under the coach. My gut is telling me itís a problem in the shower drain but I have no idea what it would be. I sniffed the drain and it didnít seem to smell but out by the bottom of the fridge. .. yuck. I see no evidence of water there whatsoever.

Where do I look now?

TIA,
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Old 09-19-2018, 11:49 AM   #2
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The sources that come to my mind...
- The P-traps under the drains are dry and letting grey tank smells into the unit. > Pour a cup of water into each drain and see if that helps.
- 'Air admittance valves' for the grey tank venting are letting are into the unit, but should not do that.> A valve should be visible some where in the grey water drain line; up under a sink is the usual place.
- The refrigerator drain line should direct water from defrosting into a pan behind the refrigerator. > If the line is misses the pan or the drain line is not there, water could be under the refrigerator. From your description of the odor, this isn't likely unless something else was spilled in the refrigerator and mixed with the drain water.

IMO, the Calgon/Dawn should not be part of the problem. Dry P-traps or a failing air admittance valve are the most likely reasons.

Hope that helps. Please let us know.
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Old 09-19-2018, 12:01 PM   #3
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You may have a rodent who has crawled inside a small space and expired. These will stink for quite a while until decomposition is complete. Does it smell more like rotting meat or raw sewage smell? They are fairly different smells and can help you narrow down the source.
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Old 09-19-2018, 12:52 PM   #4
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213 Smells

I would also check the void at the back of the trailer where the slide motor is and the void behind the couch where the water lines run (tilt couch to "V" position and look down behind back against the wall) for dead critters, insects or water leaks. The first time I checked those areas in our 213 I had to get a shop vac to clean out all the construction sawdust, shavings, and dead bugs that where in there. I ended up buying screens for the fridge, hot water, and furnace vents to keep the bugs out of the trailer after a couple of trips in stinkbug infested areas. My outside power plug would also leak dirty water into the area under the sink when towing in the rain. I ran a bead of rv caulk around the edge of the plug to solve that issue.
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Old 09-19-2018, 12:57 PM   #5
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Quote:
Originally Posted by oldmanAZ View Post
- 'Air admittance valves' for the grey tank venting are letting are into the unit, but should not do that.> A valve should be visible some where in the grey water drain line; up under a sink is the usual place.


IMO, the Calgon/Dawn should not be part of the problem. Dry P-traps or a failing air admittance valve are the most likely reasons.
I have had my Air admittance valve stick open a few times, and yes it does cause a stink. If you are not familiar with them, look under your sinks. You will see a sewer pipe that comes up close to the counter, that looks as it is deadheaded with a spring.

The other spot I have had issues with is the P-trap for my shower. As we drive, sometimes the water sloshes out and down to the tank, leaving a void for the odor/gasses to escape. We now just keep a drain plug in the drain when not in use.
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Old 09-19-2018, 01:19 PM   #6
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Thanks for all the replies.

I went out and looked again...still smells here is what I have checked:

Walked around the entire coach. Took a sniff at the fresh water fill, the black tank rinse, the vent behind the refrigerator. - No odors

Let a bit of water out of the low point drain. - No odor

Opened the door and it reaked. Checked the toilet water still in bowl.

Sniffed at the kitchen, bathtub, and bathroom sink drains. - No odor

The smell is definitely coming from here
(See pics)
Opened the access panel and it's bad.
Opened the small door and it smells bad.

I see nothing inside them...but I am sure something must be opened to either the gray or black tank back there. It does not smell like a decaying animal, it smells like sewer gas.

Are there schematics/drawings available to show me where the pipes/vents route?
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Old 09-19-2018, 01:34 PM   #7
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You can also take a look to the left of the furnace as well. With the power disconnected, take off the circuit breaker panel (I believe it is just 4 screws). There might be something in behind there.

Good luck!
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Old 09-19-2018, 02:25 PM   #8
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Sounds like the air admittance valve located under the bathromm sink is the most likely suspect. Cool smelly air would settle right into the void under the shower and flow along the void behind the furnace & couch to rear of trailer.
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Old 09-19-2018, 02:55 PM   #9
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Smells like a dead critter to me!
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Old 09-19-2018, 03:28 PM   #10
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Quote:
Originally Posted by Greenman View Post
Sounds like the air admittance valve located under the bathromm sink is the most likely suspect. Cool smelly air would settle right into the void under the shower and flow along the void behind the furnace & couch to rear of trailer.
So far I think this makes the most sense. However I looked all over under the sink and as far as I could see through the void....I can't find an AAV anywhere. I'll keep looking and maybe ask Jayco for some knowledge.
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