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Old 07-31-2018, 08:04 AM   #1
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Fuel Tank Vent Question

Hi Folks,
We have a '95 Itasca Sunrise, 29', 454 Chev with optional 78 gallon/295 litre fuel tank. In addition to the fuel fill/vent pipes, there is a 90 degree fitting in the top/middle of tank with a 5/8" nipple for attaching a hose. The hose has broken off, but I don't know what it was ever attached too...maybe a second vent or roll over valve? Any suggestions appreciated. Photos attached,
Seann
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Old 07-31-2018, 08:13 AM   #2
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Generator pick up?
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Old 08-01-2018, 11:02 AM   #3
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Generator pick up?
Nope...this is 5/8", gen is 1/4"
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Old 08-01-2018, 11:13 AM   #4
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You mentioned it's an optional tank, does that mean it's larger replacement for the original, or is it a second tank?
IF it's a second tank, could it be to move fuel from one tank to the other? (I don't know why one would want to do that. On boats there is such a thing as a 'day tank', but I don't think an RV would have that).

It might be prudent to hook some rubber hose to it and route that hose to open air, just to keep fumes from pooling under the RV.
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Old 08-06-2018, 09:06 AM   #5
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You mentioned it's an optional tank, does that mean it's larger replacement for the original, or is it a second tank?
IF it's a second tank, could it be to move fuel from one tank to the other? (I don't know why one would want to do that. On boats there is such a thing as a 'day tank', but I don't think an RV would have that).

It might be prudent to hook some rubber hose to it and route that hose to open air, just to keep fumes from pooling under the RV.
Found it! The hose had fallen down into the frame rail, totally hidden by sewage & water tanks. There is a canister at the driver side rear of coach that the hose was attached to. Lengthened the hose by a foot, re-attached, simple fix. Only residual problem is the "stuck" fuel gauge reading full.

Thanks,
Seann
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Old 08-06-2018, 12:36 PM   #6
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Hi Seann! Welcome to IRV2! We're sure glad you joined the gang!

I can't help with the question but noticed that you are kinda new and wanted to say hello!

Good luck, happy trails, and God bless!
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Old 08-06-2018, 12:44 PM   #7
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Fuel gauge full indication could be a broken or shorted wire.
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