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 > Bathroom odor only after motor home has been driven?

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realdeal1003

Texas

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Posted: 01/10/18 04:01pm Link  |  Quote  |  Print  |  Notify Moderator

Hi guys. Here is the issue. After having had the black tank uncloged/flushed, there is a waste odor ONLY after I drive the motor home. If the motor home just sits without driving, there is no odor. Has anyone had this happen? Any and all input would be greatly appreciated. Thank You Louie

K Charles

Connecticut

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Posted: 01/10/18 04:11pm Link  |  Quote  |  Print  |  Notify Moderator

Is the door from the sink? Is that trap empty.





wski

Pensacola, FL

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Posted: 01/10/18 04:13pm Link  |  Quote  |  Print  |  Notify Moderator

Sounds like you have a venting problem. I installed a device over the bathroom vent stack that cured this problem fro me. This is similar to what I installed. Clicky

campigloo

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Posted: 01/10/18 04:33pm Link  |  Quote  |  Print  |  Notify Moderator

I've had that before in my trailer. It only stunk after driving for a couple of hours. I took my paint roller extension pole and punched the stuff off the bottom of the vent vent pipe. It came out kinda gross but nothing a water hose couldn't fix.
Haven't smelled it since.

Fritz_H

Olympia, WA, USA

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Posted: 01/10/18 04:38pm Link  |  Quote  |  Print  |  Notify Moderator

First thing to try - are you driving with any of the roof vents open? If yes, try it with them closed - I bet you'll have less odor.


Randy
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wildtoad

Blythewood, SC

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Posted: 01/10/18 04:51pm Link  |  Quote  |  Print  |  Notify Moderator

Pour some water down the shower drain and sink to fill up the p-traps which are used to prevent odors.


Tom Wilds
Blythewood, SC
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SDcampowneroperator

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Posted: 01/10/18 06:32pm Link  |  Quote  |  Print  |  Notify Moderator

If you have roof vents open it creates a vacuum in the rig. Many rigs are built with ' pop vents ' instead of plumbed waste tank vents. You would see that under the sinks, to the sides of the P traps. Popvents are supposed to work only when there is lower pressure in the tank than in the house, Maybe yours is acting both ways?

cwit

Upstate New York

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Posted: 01/13/18 06:09am Link  |  Quote  |  Print  |  Notify Moderator

One other thing that caused my same problem.. there is a rubber seal under your toilet that can allow sewer gas to escape while driving.





Boon Docker

Mountain Foothills of Southern Alberta

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Posted: 01/13/18 09:56am Link  |  Quote  |  Print  |  Notify Moderator

wildtoad wrote:

Pour some water down the shower drain and sink to fill up the p-traps which are used to prevent odors.


That would work just fine if there was black water in the grey tank. [emoticon]

malexander

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Posted: 01/13/18 06:40pm Link  |  Quote  |  Print  |  Notify Moderator

The water is probably sloshing out of the traps while driving. The grey tank will have a sewer/stale water smell to it. I doubt if it's the black tank you're smelling. YMMV


2007 Fleetwood Bounder 38N 330 Cat DP, 2008 GL1800 Goldwing, 2007 Honda VTX 1300R, Cessna 150 & 172, Rans S19 Ventera. Lifetime NRA, EAA, Good Sam member

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