dave14117
Redmond, Wa
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Joined: 05/03/2004
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Sometimes when I flush the toilet in our 07 Cameo, a big bubble bursts up from below. I think there's a roof vent that is supposed to release any odors/gas from the holding tank. Anyway I checked it a while back with a hose and thought it was open. Is a blockage there the only probable reason pressure is building up, or could there be another cause?
Thanks,
Dave
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ncrebel8
Warrenton, NC
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Joined: 07/01/2009
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Burping toilet generally means the tank is near full. the vent pipe sticks down into the tank a lillte so when the fluid level gets to the bottom of the vent pipe the air will burp back out of the toilet.
Wesley and Niki Norwood
Warrenton, NC
2009 Bighorn 3410RE
2005 Chevrolet 2500HD D/A
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edatlanta
Panama City Beach, FL
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X2. The tank is full.
Ed
2006 GMC 2500HD CCSB 4x4 Duramax/Allison, Titan 52 gallon fuel tank, TTT/Schefenacker Towing Mirrors, Prodigy Controller, B&W Companion Hitch, Progressive Industries EMS-PT50C, TST Systems 507 TPMS
2010 Jayco Designer 35RLTS,Cummins/Onan RV QG 5500 EVAP
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houtrz
Lake Jackson Texas
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What ncrebel8 said. I have the same problem too and that's a sign to fill, dump and flush.
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fordsooperdooty
Southern California
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WHATEVER YOU DO...do NOT smoke in the bathroom if your toilet is releasing Methane Gas!
My posts shouldn't be taken for factual data. They are purely fictional, for entertainment purposes and should not be constituted as actually related to scientific, technical, engineering, legal, spiritual or practical advice. Amen. 
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ScottG
Bothell Wa.
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Joined: 02/25/2005
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If it's not an issue of being full, you may wan't to check the roof vent. I've found that the assembler will mount the pipe too high off the roof and when they put the rain cap on, it covers the pipe and plugs it off. I've also found that this scenario causes slow drainage while dumping.
Scott, Grace and Wesly
2003 Dodge 3500 4x4, 6 speed Cummins (lightly bombed),
2004 Forest River 25RKS many, many mods.
H0NDA eu2000i
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Hunter11
Austin, Texas
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Dave, our toilet was doing the exact same thing on our last trip and it ended up bein a partial clog at the drain pipe from the toilet into the tank. Ours would burp a big bubble as you flushed it. I ran a plumbers snake down it from the toilet and it finally opened it up and no more burp. I then flushed the tank a few times. Hope this helps.
His-2012 Chevrolet 3500 4DR DRW LWB 4X4 D/A
Hers-2006 Dodge 1500 4DR Hemi
2007 Crossroads Paradise Pointe 34CK
2 Mini Dachshunds
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Chris
Shelter Bay, Wa
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That can also be the first sign of a pile issue. Do a really good tank flush including several full bowl flushes. Bomb the pile! I also run 4 minutes of water in with flush system twice, redumping each time. Chris
My Rig
2001.5 2500 STD CAB AUTO SLT 4x4, CTD 4:10's, Bomb'd to Tow
2005 Cardinal 29WBLX.
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Bachus
Stratford, Ontario, Canada
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Chris nailed it. It's an "outhouse" pile. Had the same problem with mine, even after dumping tanks. Make sure you use plenty of water when you flush.
Dean and Tracy Bachellier
Isobel,Evelyn, and Stuart
2012 KZ Durango D355BHS quad bunk with 5 slides
HiJacker 16K double pivot slider
2011 RAM 3500 SRW Crew Cab 4X4 CTD
"It's five o'clock somewhere...."
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okiejoe
Oklahoma City
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I had the same problem too but mine was solved by lifting up the vent cap a little, I put a new one on and accidently pushed it down so far on the pipe that it blocked off the pipe.
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