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Old 01-03-2013, 12:43 PM   #11
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Quote:
Originally Posted by herk7769 View Post
Tank capacity depends on the levelness of the tank.

If the tank is tilted towards the drain, air will be trapped in the forward part of the tank preventing it from reaching capacity. Make sure the floor above the tank is completely level before checking.

The black tank should never leak unless either the vent or the fill pipe was not sealed properly or there is a crack in the top part of the tank.

In my opinion, this is a "big deal" and you should get it in for repair asap.
X2 Jim
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Old 01-03-2013, 01:46 PM   #12
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fwiw

The grey tank requires 33 gallons to back up into the shower.

Because both the black tank and the grey tank are the same size, according to documentation, I would ASSUME that they were identical tanks. They then would have the same capacities, all things being nominal.

However, the tanks may be different dimensions because of the space that they fit into.

I will let the grey tank sit for several hours to check for leaks and then repeat the black tank test. I may be able to isolate the location of the leak. It is most likely either at the pipe to tank connection or uphill in the pipe or toilet assembly.

Does every new buyer run tests like this or am I just nuts? Can't be nuts if the test reveals a defect. Must be some luck in there somewhere. Mine was not good.

I agree that even when not overfilled the leak will allow gasses to escape. I wonder how many people have a small leak that they do not know about and will never find unless they run a leak test all the way up to the toilet bowl. They may be complaining about the wrong cause of the odor source.
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2013 Forest River Solera 24R
2014 Jeep Wrangler Rubicon
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2008 Polaris Scrambler 500
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Old 01-03-2013, 03:36 PM   #13
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I found the leak.

The vent tube attaches to the side of the black tank near the top. This is where the water is dripping from.

I can see a hose clamp. Perhaps all that needs to happen is to tighten the clamp. But, I will leave it for the dealer to decide what to do about it.

Thanks for the help and support. In the beginning I thought I might be overly picky, because it only leaks when filled past top of tank. But there is still the situation of gas leaks.

It goes in to the dealer next week to add the swivel seats, so they can fix this at the same time, I hope.

It still has only 27 gallons of capacity instead of the documented 30, and that includes going halfway up the pipe towards the toilet. There may be an air bubble, but a 3 gallon air bubble is pretty big. The toilet bowl capacity is 2 gallons, so it is bigger than that.
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Wayne in Coarsegold near Yosemite
2013 Forest River Solera 24R
2014 Jeep Wrangler Rubicon
ATV trailer for the following toys
2008 Yamaha WR250R,2009 Honda CRF150F
2008 Polaris Scrambler 500
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Old 01-03-2013, 05:39 PM   #14
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Wayne,
Good luck getting the dealer to do much concerning a 3 gallon difference in real versus stated black tank capacity. They will give you the runaround like level tank, different sizes etc, etc. While it may be a concern of yours I wouldn't piss off the dealer over this issue. You may have something of greater value later on and you need them on your side.
Regarding your PDI. Some dealers actually charge $500-$800 to do the PDI. I and many others believe this is awful and should never happen but it does. Your car/truck dealer does not charge you to show you how to use the new electronic devices etc do they???? It should be included in the purchase price.
Most PDI's are not done very well. It's usually done by a tech (with no teaching experience) and as they explain something to you that they know very well they will skip or not emphasize important things which you will question later. There are some out ther that do a very good job but they are probably the exception. When in doubt check with the forums on line. Any number of us will help if we are asked or maybe even a phone call if necessary.
JMTCW TeJay
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Old 01-03-2013, 05:47 PM   #15
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I like your point about not pissing off the dealer about the size of the black tank. I think I will bring it up and then back off. That gets it noted and it then becomes a small bargaining chip.
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2008 Polaris Scrambler 500
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