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Old 06-20-2018, 07:02 AM   #1
Trgerman76
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Rear sewer issue

Hi, I was wondering if anyone could help me out. I want to avoid the nightmare that I went through two days ago! I have a keystone passport 3350 that has two bathrooms. It has a sewer drain with two valves I the front, and one with one valve in the rear. I assumed the rear was for the rear bathroom. This was my first time draining the rear sewer and after confirming that the value was closed, I removed the cap to hook up my sewer hose and a rush of black water substance came flying out. I put the cap back on, re he ked the valve, it was closed, and tried again. Same result. I called keystone and they said that there should be two valves back there. There definitely is not. They said maybe it fell off but there doesn't appear to be an area where there was a valve. Does anyone else have this model and know what is up with the rear sewer? I need to empty tomorrow and head home and would like to avoid what happened before. Thanks so much for any help!
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Old 06-20-2018, 07:23 AM   #2
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Pics of the rear sewer line.
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Old 06-21-2018, 04:13 PM   #3
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Quote:
Originally Posted by Trgerman76 View Post
Pics of the rear sewer line.

Here is what mine looks like...
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Old 06-22-2018, 06:23 AM   #4
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Thanks so much for the picture! I wasn't even looking there. I do not have the lever. I'll run out and see if there is a hole where it was or if it was never installed. I gotta call camping world today and see about getting it in for repair.
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Old 06-22-2018, 06:48 AM   #5
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Thanks so much for the picture! I wasn't even looking there. I do not have the lever. I'll run out and see if there is a hole where it was or if it was never installed. I gotta call camping world today and see about getting it in for repair.

No problem, let me know if there is anything else I can do.
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Old 06-22-2018, 08:28 AM   #6
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How are you liking the passport? This is our first trailer so everything is new and a bit overwhelming. I think that a shorter trailer would have been nice for a first timer. But we love the bunkhouse, second bath and amount of space that the trailer has.

Overall, after two shirt trips, we really have enjoyed it. I'm sure the length will be less of an issue once I am more experienced driving it.
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Old 06-20-2018, 08:52 AM   #7
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The 1 1/2" valve will be for grey water not black, there should be another valve somewhere on the 3" line that's for black.
Does that 3" dump connection drag when going through dips? It appears to be awfully low!
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Old 06-20-2018, 09:16 AM   #8
Trgerman76
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I think it might appear lower than it really is in the picture. No issues dragging so far.

So the 3" pipe SHOULD have a valve, but doesn't? I guess I need to call the dealer and tell them that it was built wrong. I have searched all around for another valve and there just isn't one.

Thanks for your feedback.
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Old 06-20-2018, 09:31 AM   #9
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Cut some of the coroplast and you will probably find the valve. The handles usually screw on. It probably fell off.
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Old 06-20-2018, 09:37 AM   #10
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Yep, from the posted pictures you are missing the valve for the black water drain. I doubt it was made without it, it's probably just missing.

If you are unable to find the valve you might consider an auxiliary valve such as the one in this thread. It would stop the unwanted dumping coming out:

http://www.keystoneforums.com/forums...mp+flush+valve
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Old 06-20-2018, 09:55 AM   #11
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I have a 2018 3350bh, today or tomorrow I will check mine and take pictures...
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Old 06-20-2018, 10:04 AM   #12
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There is a 3" valve further up (under the coroplast). It may be a Bowden cable activated valve with the handle/knob 4 or 5 feet from the outlet or it may have a 8" aluminum rod screwed to it that "should" protrude through the coroplast, usually in a small slit.

The reason the valve is inside the coroplast is to prevent liquid from being exposed to the elements to prevent freezing. If you remove a couple of the screws on the edge of the coroplast, you should be able to pull it down an inch or so, use a flashlight and peek inside. Chances are you'll find the valve just above the coroplast and you should be able to visualize where the cable/rod is routed.
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Old 06-20-2018, 11:58 AM   #13
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Thanks everyone. I am going to climb under and take another look. I don't like the idea of digging into the cloroplast on the bottom but I am sure you all are right and it's there.

To the poster who had this model, pics would be awesome!!!!! Then I can look and see where it should be. Thanks again!

... I have a few minutes to look since my teenage son locked us out of the trailer! Guess I need to invest in a hideaway key thingy!
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Old 06-21-2018, 05:13 AM   #14
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Thanks everyone. I am going to climb under and take another look. I don't like the idea of digging into the cloroplast on the bottom but I am sure you all are right and it's there.

To the poster who had this model, pics would be awesome!!!!! Then I can look and see where it should be. Thanks again!

... I have a few minutes to look since my teenage son locked us out of the trailer! Guess I need to invest in a hideaway key thingy!

Sorry I didn't make it out there yesterday, but I will today, since I have to pack some stuff for a trip tomorrow, will get the pictures posted later this evening.
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Old 06-21-2018, 05:39 AM   #15
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The t-handle for my galley grey tank does NOT come down through the corroplast, but out the SIDE of the I-beam frame and behind the slide "skirt". To see and get to it, you really have to get under the TT and look up behind the skirting . If the slide is out it is easier to see. I'm offering this tidbit just in case your quest to find the T-handle was limited to under the corroplast. Not sure why, but the pic loaded rotated 90* right.

Good luck,
Mike
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Old 06-20-2018, 12:29 PM   #16
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I learned the hard way to never go outside without my trailer keys.
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Old 06-20-2018, 12:40 PM   #17
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Old 06-28-2018, 01:15 PM   #18
Starfleetmarj
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Rear sewer lines

We have a rear bath in our Fuzion 371 toyhauler. We were having problems with one of the black tank valves leaking, not sure which one it is. PITA when needing to dump because whatever sewage leaks sits at the end cover and dumps out when we take the cover off to drain. For a quick fix, the rv dealer installed a valve at the very end of the drain pipe. So now we can take the cover off and hook up the hose without dumping sewage on the ground. Still need to take it in so we can figure out which black valve is leaking.
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Old 06-29-2018, 07:57 AM   #19
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Black tank leakage

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We have a rear bath in our Fuzion 371 toyhauler. We were having problems with one of the black tank valves leaking, not sure which one it is. PITA when needing to dump because whatever sewage leaks sits at the end cover and dumps out when we take the cover off to drain. For a quick fix, the rv dealer installed a valve at the very end of the drain pipe. So now we can take the cover off and hook up the hose without dumping sewage on the ground. Still need to take it in so we can figure out which black valve is leaking.
My wife and I are having the same problem with our black tank valve or valves leaking and building up pressure and blowing out when opening the main cap. Causing a mess. We have taken it back in twice to have it checked and all they keep doing is pouring some kinda liquid down the toilet to try and soften the seal. By the way this is on a 2018 Raptor 355. Bought in April of 2017 from Walnut Ridge in New Castle Indana. This is about a 4 to 4 1/2 hour drive for us we live in central Illinois and at the time was no dealer close that had toy haulers from Keystone that we wanted. Hopeing some one would know of a easy fix for this leaking. Would put another valve gate at the bottom but it’s already low to the ground. This is just one of many problems we have had with this unit. Really disappointed in this keystone.
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Old 06-20-2018, 12:33 PM   #20
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I gotta ask on the locked trailer. How did you get locked out when you need the key to lock the door from the outside. Unless my lock is a different style.
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