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Old 08-09-2004, 01:34 PM   #1
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Grey Water Tank Replacement

Has anyone replaced their grey water tank. I have a 1988 345. My first attempt ended in total puzzlement. I just don't see how to get it out. It looks like they installed tank then built the coach on top of it.
I have to replace it as it has a large crack at the 3/4 full level.
I also need to order one from somewhere.
All suggestions appreciated.

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Old 08-09-2004, 03:17 PM   #2
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According to our records, that tank is still available.


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Old 08-09-2004, 04:20 PM   #3
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Would you please let me know my cost for the tank.
Any tips on getting the old one out and the new one in?
I guess I should replace the black water tank as well. It has a crack also. Let me know the price on it as well.
I also need to replace some of the woodgrain decal. Pricing and tips on this would also be appreciated.
Joe Schoolcraft
You can reply to my e-mail of

PS: I have read your advice on painting. I was told that by an old timer here in Texas that he puts a coat of Kool Seal on the roof of his unit every year or so. He said it works fine and keeps the heat down.
What do you think?
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Old 08-09-2004, 07:56 PM   #4
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While I was researching for my M/H buy I ran across a guy that build/converts over the road buses to M/Hs. He was put out because of the cost of the water, grey and black tanks. He bought a plastic welder (I didn't even know that there was such a thing) and builds his own tanks now and has never had a failure (per him). I think you might be able to get your tank repaired, in place, if you can locate someone with that type of welder.

Don't know where you live but he said he bought his out of L.A.
Just one cent worth, I'm trying to save the othere one.
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Old 08-10-2004, 09:42 AM   #5
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Thanks for your input.
I have found a plastic welder in Houston but they have to have the tank removed before they will touch it. In this case the tank is too far gone in my opinion. I think it has become brittle from the looks of the damaged area.
I may end up doing the black water tank that way but I hate to pull it out without a replacement close by.
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