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Holding Tanks wake up
This coach had no leaks and due to inspection by the customer determined that although no issues he could see spots on the tank. He also used a inspection camera to get a better idea of the tanks condition. His draw hit the ground when the tank was pulled and he took a screw and was able to put holes all over the bottom of the tank with no pressure.
This tank was very near a major failure
I know we have shared several times about holding tanks, however this was a perfect example of having no issues, yet having a very near failure that could not only end up smelling very bad, could damage the bay floor
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20 Replies
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Jeff, was this a Liberty?
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Yes it was.
Aluminum is highly reactive to both acidity and alkaline materials so what Jeff is showing is completely expected.
If the Liberty has stainless steel tanks as some do there are no problems associated with corrosion. When an aliminum tank is used the visible end of the tank will have a polished stainless decorative skin bonded to the aluminum. A stainless steel tank will have the end of the tank itself polished.
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Anybody know what Vantare tanks are made of?
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Question from a future customer, you never know., we could buy one in the future .
As the advertisement goes, Liberty Coaches are supposed to have the highest perceived value both “new and used”, and this tank corrosion issue is a known problem. Why isn’t the tank redesigned using a different metal to alleviate future corrosion issues.???, which would “affirm” perceived higher value?? Sorry for the “ding” Liberty owners. -
I’ll join in on Jerry’s question but with a slight twist: anyone happen to know what Marathon customarily used for tanks in 1995-1996?
Kirby
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Jon just so you know the new stainless tanks do not come polished so a lot of times the polished ends are taken off the old tanks and reglued on the new stainless tanks !!!!!!
Marathon used plastic mostly
Edit. That is why I replaced mine with a stainless tank and got rid of the bullshit aluminum tank , now fresh is stainless and the black and grey are stainless also never to have a problem again , that’s the way it should have been done in the beginning !!!!!!!!!
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Even though Liberty has a lifetime warranty to the original owner,it does not cover the tanks because Liberty did not manufacturer them.Liberty designed the tanks and specified the material but they will not warranty them because a Outside supplier built the tanks,I think that this will cost Liberty customers in the long run.
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What does it cost to swap out an aluminum sewage tank for a stainless steel sewage tank? Tank, fittings, and labor.
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Depends on tanks etc…..$3200-$4500…most expensive are on tanks for newer coaches
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A person who works with metal can look at a product made of metal that has not been painted or plated (it is raw) and can identify what it is. But unless someone does work with metals it is hard to determine what material they see. My reference to the polished ends of the tanks was to help those who cannot determine if they have a stainless steel or aluminum tank. The replacement tanks of stainless will not be polished on one end because the polished end that was glued to the aluminum tank will be bonded to the new tank just to save labor cost.
It is difficult to determine if a tank is stainless steel or aluminum, but it is very important to know because as can be seen above an aluminum tank only needs to be in service for a short period of time before it can begin to fail.
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Jerry,
My Vantare tanks are plastic not metal.
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I wonder if its possible to narrow down the conversion years or the converter coach numbers by converter to determine whether a black or grey water tank is aluminum or not. I’m sure there are prospective Prevost owner out there wondering how to know whether a coach they are considering has aluminum or stainless black and/or grey tanks.
Can we presume that an aluminum fresh water is fine for the life of the coach?
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As I said, if the tank is aluminum it will have a polished stainless steel skin bonded to the exposed side. If it is stainless the end of the tank itself will be polished.
If in doubt have someone that can tell the differences between the materials by looking advise the tank material.
But if someone is interested in purchasing a Liberty the tank should not be a deal breaker. If it is aluminum it will have to be replaced at some point, so negotiate the price to reflect that.
Here is some free advice: If your tank does need to be replaced, replace it with one of anything other than aluminum.
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Not trying to stir the pot… but Is Liberty still using Alunimiun Tanks? Why given what you guys have shared here?
Bill
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Yes they are
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