Winstonsdad
North Texas
Senior Member
Joined: 03/22/2005
View Profile
|
OK, there may be a thread someplace on the forums, but I didn't find it. Our potty is fighting back. When we push the peddle, it bubbles and spews before the contents go down the hole. While this may sound funny, it's not! It's like the tank if full of gas and it is trying to.....well, what is the word? It's like it has gas and is trying to expel it. (I know the word, but am trying to keep it clean)
So, what I suspect is the vent is plugged up. We just came back from New Mexico which is at a much higher altitude, but by opening the potty, I would think the pressure has equalized. the ONLY thing I can think of is a blocked vent.
What do you guys think?
I really don't want to flush and have the potty spew its, ummmmm, stuff back at us!
05 Durango 285RL
04 F250 PowerStroke 4x4 Crew Cab
|
TexasH
Katy, TX
Full Member
Joined: 02/24/2006
View Profile
 Offline
|
Sometimes it will do that if there is a "pyramid of solids" built up at the bottom of the pipe into the holding tank. The pyramid blocks the stuff going down and the air in the pipe burps back (polite term) This can happen if you don't use enough water to wash everything fully into the tank when the toilet is flushed. The way I fixed this was to take a long wire-coat hanger or such and rake the pile of "solids" around and keep flushing with water to wash it away. Then a complete flush of the holding tank to wash away any remaining solids. It ain't fun, but it's better than the "burps", and not near as bad as having the dump hose come loose when you pull the dump valve-don't ask how I know!
|
kirkj55
Nor Cal
Senior Member
Joined: 12/22/2005
View Profile
Offline
|
Never experienced this but I agree with you i would suspect blockage on the vent
|
YC 1
Yuba City Calif.
Senior Member
Joined: 01/11/2005
View Profile
Offline
|
Some tanks have their vents in shallow places. If you are parked unlevel the vent side might get blocked and cause your issue. Mine will actually percolate and burp. It took me awhile to sort that one out. I ran water into the vent pipe after dumping the tank and it was clear. It happened again and I opened the compartment that was screwed shut to troublehoot. My tank is not just a simple square tank. It has a shallow place in the top 1/4 of the tank on one end. Parked at an angle and a rather full 2/3 tank, the vent is blocked. I now know that all I need to do is kick the level button and move about 1/2 a bubble and the tank is good until filled.
H/R Endeavor 2008
2007 Hummer H3 toad
Ranger Boat
|
chrizg
IA
Senior Member
Joined: 03/20/2008
View Profile
Offline
|
Sounds like a blocked vent. Mine does this when its -really- full.
09 Big Country 2950RK
06 Dodge 3500 CTD 4X2 Mega Cab DRW B&W
|
|
|
Winstonsdad
North Texas
Senior Member
Joined: 03/22/2005
View Profile
|
We're also getting more odor inside than normal. Either my wife is eating more beans or..... I think it's a blocked vent.
So how do I check the vent?
|
chuckster11
Idaho
Senior Member
Joined: 04/30/2004
View Profile
|
I would think that you could simply put something akin to a fishing pole down the vent from the top--I've never had the problem you describe but my first impression it is related to not getting enough air in the tank so the vent must be the culprit. I believe these vents are simply straight pvc piping that tees at some point to both the gray and black tanks. If the blockage was lower than that tee point, it might be more difficult to clean out.
Perhaps you could use a drain snake?
|
StanleyandIris
Louisiana
Senior Member
Joined: 06/17/2007
View Profile
Offline
|
Empty the tank?
|
BigRabbitMan
Dixon, CA
Senior Member
Joined: 07/02/2005
View Profile
Offline
|
Winstonsdad wrote:We're also getting more odor inside than normal. Either my wife is eating more beans or..... I think it's a blocked vent.
So how do I check the vent? Go up on top of the RV with a hose and take the vent cap off. Most just pull straight up and off. Then have someone turn the water on with a good flow and put the hose into the vent pipe. The weight of the water column should clear it out. If you have to, you could put a rag around the hose to semiseal the hose to the vent pipe and build a low amount of pressure to clear the vent. Do this when the tanks (both) are EMPTY as you will be putting water into the tanks fairly rapidly when the restriction is blown back into the tank.
Good luck.
BigRabbitMan & DiamondGal
Dixon,CADiamond Gal's T-Tapp fitness site
76 FMC #1046, Gas Pusher W/Chrysler 440-I
Edelbrock MPI fuel injection, Allison 545
Toad: Red '87 4x4 Subaru Brat, Lorance IWay 500c
DataStorm Satellite internet / I am here-click to see
|
squeakkos
parker az
Senior Member
Joined: 03/06/2005
View Profile
|
you can buy one of the drain cleaner that fits the hose nas it swells up to make preasure. mine has a gray water vent and a black water vent.
|
|
|
