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Old 06-16-2016, 03:53 PM   #701
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Hadn't really thought it through Brad - as I am hoping not to have to do it. Another 80 degree day here and again no pressure!
Can't say as I blame you!

Once you hit that first 100 degree day you'll know for sure
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Old 06-18-2016, 05:00 PM   #702
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Next time the tank come out I will do the same Brad; at the moment I am just trying to make the current issue not the reason for having to pull the tank.

I think this little drawing from the guys you linked to, is key



I actually have some space in the cavity between the outer skin and the wet room (accessible from the cassette toilet door) that would be an ideal location for a valve link that as it is directly above the tank, higher than the filler nozzle and can easily be inspected.
I received the remote vent today and as delivered it won't work for a tank vent. It's designed to allow air into the tank but any flow going out of the tank is blocked by a check ball. It's basically a rollover protection valve.

However it will be easy to remove the check ball which should do the trick.

Brad
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Old 06-18-2016, 06:22 PM   #703
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Originally Posted by bkahler View Post
I received the remote vent today and as delivered it won't work for a tank vent. It's designed to allow air into the tank but any flow going out of the tank is blocked by a check ball. It's basically a rollover protection valve.

However it will be easy to remove the check ball which should do the trick.

Brad
If you are going remove the check valve Brad aren't you just creating an hose connection from the top of the tank? Wouldn't it be better to use an aftermarket carbon canister from a EECS instead of the vent?

So far my 'fix' of scoring the gasket seems to be working, another hot day, and no pressure release on opening the tank.
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Old 06-18-2016, 07:22 PM   #704
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If you are going remove the check valve Brad aren't you just creating an hose connection from the top of the tank? Wouldn't it be better to use an aftermarket carbon canister from a EECS instead of the vent?
I'm not sure that's any different than the original vented caps that vented outwards or cutting the gasket to provide breathing space. The hose will be higher than the filler neck by about an inch. Not where where a carbon canister could be mounted.

Quote:
So far my 'fix' of scoring the gasket seems to be working, another hot day, and no pressure release on opening the tank.
I'd say outward venting is the answer!
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Old 06-18-2016, 07:33 PM   #705
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I'm sure the both of you have thought this out......but just in case........you're not venting the gas tank near anything that could possibly provide a spark or flame, like say the LP ignitor for a fridge or furnace?????

Sorry but just had a mental picuture of an Argosy trailing a sheet of flame at 70+ MPH....could scare other motorists if you know what I mean.

If not, carry on gents.

Cheers
Tony
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Old 06-18-2016, 07:36 PM   #706
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I'm sure the both of you have thought this out......but just in case........you're not venting the gas tank near anything that could possibly provide a spark or flame, like say the LP ignitor for a fridge or furnace?????

Sorry but just had a mental picuture of an Argosy trailing a sheet of flame at 70+ MPH....could scare other motorists if you know what I mean.

If not, carry on gents.

Cheers
Tony
In my case just next to the toilet so I should be OK as long as no one needs to strike a match!
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Old 06-18-2016, 07:48 PM   #707
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Originally Posted by Isuzusweet View Post
I'm sure the both of you have thought this out......but just in case........you're not venting the gas tank near anything that could possibly provide a spark or flame, like say the LP ignitor for a fridge or furnace?????

Sorry but just had a mental picuture of an Argosy trailing a sheet of flame at 70+ MPH....could scare other motorists if you know what I mean.

If not, carry on gents.

Cheers
Tony
I was thinking about having the vent close to the tip of the exhaust pipe and use a piezo igniter next to the vent with the push button located in the dash

Actually I will likely place it inside the flap where the gas cap is. There is enough room just above the filler tube for the vent. That places the vent above the filler and exhausting to the outside.
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Old 06-18-2016, 09:22 PM   #708
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I was thinking about having the vent close to the tip of the exhaust pipe and use a piezo igniter next to the vent with the push button located in the dash
Showing your age there mate; very retro; and not too legal in God knows how many states. The EPA would have your guts for garters.

One thing for sure, doing the same on my diesel wouldn't quite have the same effect; just leave a streak of diesel on the road.

Martin's flatulence aside gents, glad we cleared that up; carry on.

Cheers
Tony
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Old 06-18-2016, 10:08 PM   #709
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Not trying to cause trouble here but did you consider taking a small drill to the gas cap? If it has an inner shell maybe a hole in the inner shell and another offset in the outer shell so a direct path is not created to help keep dirt out. Just thinking out loud, carry on.
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Old 06-18-2016, 10:31 PM   #710
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Not trying to cause trouble here but did you consider taking a small drill to the gas cap? If it has an inner shell maybe a hole in the inner shell and another offset in the outer shell so a direct path is not created to help keep dirt out. Just thinking out loud, carry on.
That was my temporary fix when on the road last weekend. I couldn't risk splitting the tank again (because I am now sure the tank woes I was having towards the end of last year were due to over pressure) and the quickest easiest solution was to punch a hole (using a nail). That worked but seemed a little too 'direct'. The fix I currently have in place is to simply score the surface of the sealing gasket, and that appears to work as well.
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Old 06-24-2016, 02:12 PM   #711
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I am going to declare the tank pressurization issue 'fixed'.

Been out in Bella for a couple of hours, plenty of time for the 1/4 full tank to get really hot.....no pressure, but also no petrol smell under the flap. Seems the grooves I cut into the seal are deep enough to allow access pressure to release but also small enough (when squeezed under the cap) to not allow excess venting.



The reason for the journey was Bella's annual inspection; the good news is she passed without any advisories (which also means she is road legal for upto six months when arriving in the UK).



The bad news is I have found another issue; I have been getting a visible amount of liquid around the throttle pedal in the drivers foot-well. Rather stupidly I have been feeling the carpet (black) and thinking it didn't feel wet. I have mopped it up with a clothe and noticed it had color but just assumed the carpet was dirty. It also appeared no matter if it had been raining or not so I had assumed it was just condensate from the new A/C. What I hadn't done is put 2 + 2 together and realized I was continually topping my Bella's oil, because the mechanical oil pressure gauge is leaking and I am getting a fine mist of oil spraying over the whole area. Not sure if it is a joint leaking of some more serious yet, but at least I know why the carpet didn't feel wet!
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Old 06-24-2016, 04:19 PM   #712
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Good news about the fuel tank and the inspection! Bad news about the oil line

Getting rid of that oil line is just one of many reasons I wanted to upgrade to all electronic style gauges. Hopefully all you have to do is just replace the nut and ferrule and be done with it.
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Old 06-28-2016, 12:11 AM   #713
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Wow, wow, wow. Am very impressed and motivated by your effort. But when complete you may not park next to me (JK!) Am following your progress closely. -cd
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Old 07-13-2016, 08:40 AM   #714
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Panic stations yesterday. Today is moving day, so yesterday afternoon I went to start Bella to take to AS NE for short term storage. Well Bella wasn't keen on the idea and would not start. The tank wasn't pressurized this time but the fuel lines were vapor locked, nothing to the carb. Added 5 gallons fuel in case the tank was low, nothing; turned over with the fuel line disconnected, nothing. It was only when the outside temp dropped below about 85 (later in the evening) that she fired straight up and ran fine.

Panic over (I don't think the new buyers would be happy finding Bella dumped in the drive!) and Bella is over in storage so I can now get on with the rest of the move. But I suspect an auxiliary electric fuel pump is in Bella's future.
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