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How do you know?😊

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Thanks! We did look around inside that area with the camera when we first got it but didn’t see anything like you described. We’re trying to use the camera now and it’s not working. :(

Everything looked fine with the camera. And we went up on the roof and the vent pipes weren’t loose and the seal is not cracked. The smell went away for a couple of weeks but came back today. So frustrating!

Our sink is on the wall opposite the bathroom and the vent pipe goes up between that wall. The smell is coming from inside the upper cabinets.

Does a 2012 Heartland Road Warrior 405RW toy hauler have an air admittance valve somewhere under the kitchen sink? We have a terrible sewage odor that comes and goes in the upper kitchen cabinets and people of been mentioning the air admittance valve but we cannot find one.

A dead rodent was on our list of possibilities but it seems more like a sewage gas smell. We ordered a camera which is coming tomorrow. Hopefully we will be able to see something before doing anything drastic like removing the cabinets and walls.

This is what we see. Looks like the vent pipe is going up through the wall. We don’t see any value.

So this morning the smell is very strong. What’s weird is that there isn’t a smell coming from under the kitchen sink cabinets which we can see a hole where the vent is going up. The strong smell is coming from the upper cabinets which are sealed.

Thank you both! I’ve ordered the camera. Hopefully we will be able to either see something or eliminate a potential problem.

Oh boy! And how would we know this without tearing down the cabinets or the wall?

Thanks Dave! We aren’t seeing any valves. Looks like a solid sewage pipe going up in that wall behind the sink and the upper cabinets we’re referring to. As far as up on the roof, when we take the caps off there’s a piece that’s flush with the roof so we don’t see anything needing sealing. Hmmm

We have a 2012 Road Warrior 405RW toy hauler and have a terrible sewer like odor coming from our upper kitchen cabinets. They are sealed cabinets so we can’t figure out where the odor would be coming from. Any ideas? Thanks in advance!

Thanks I’ll see if I can find it!

Thanks so much I’ll check with them!

The awning for my 2012 Heartland Road Warrior is ripped. I’m having a hard time finding a replacement for this model. Does anyone have any ideas of where I can find one and what the cost may be? Thanks!

Thank you for the info. I’m researching info on the flex air pin box. The jerking motion I’m feeling is while driving on rough and bully roads including interstates. It’s beating us up🥴

I recently bought a 2012 Heartland Road Warrior 405 RW. When towing the fifth wheel I get a forward to back jerking motion. I have a Lipp1621HD pinbox and my hitch is a Curt Q24 which was installed new in a 2011 GMC Denali 3500HD dually. Any suggestions how to reduce the jerking motion?