bad vented tank

For discussing the modifications needed for diesel vehicles to run with 2 tank veggie oil conversions.

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bad vented tank

Postby gary » Thu Jan 08, 2009 7:12 pm

When I opened my veg tank I heard pufff. There was pressure in there.

What problems can this cause ?
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Postby coachgeo » Thu Jan 08, 2009 10:11 pm

you answered it with your title. Bad vented tank LOL

your vent; wherever it is; on tank or in cap, is blocked orrr.. it's suppose to be vented via cap but your using an unventing cap
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Postby gary » Thu Jan 08, 2009 10:46 pm

Can this have any thing to do with vo filter life?
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Postby coachgeo » Thu Jan 08, 2009 10:55 pm

only if the vacuume is so great it is crushing the innerds but that would be a stretch and can't see that increasing deposits.. But Im certainly no expert.

Way to think your way all around your delimma though. Smart move.
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Postby SunWizard » Fri Jan 09, 2009 9:56 am

If your vent is bad and its creating a vacuum in the tank, your lift pump can have trouble pumping. Same symptoms as a clogged filter.
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