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djkeev
Samba Moderator
Joined: September 30, 2007
Posts: 32561
Location: Reading Pennsylvania
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Surferboy120
Samba Member
Joined: April 13, 2014
Posts: 90
Location: Dallas
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 Posted: Tue Feb 09, 2021 8:52 pm Post subject: Re: Vanagon Fuel Fill "BURP" - SOLVED! |
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| djkeev wrote: |
| Surferboy120 wrote: |
| djkeev wrote: |
Surferboy, you have my contact info, text or email me your address.
Dave |
Dave I cant thank you enough as to how much I appreciate you. I sincerely am grateful to you and the good people that reside on the Samba.
Thomas |
USPS is getting back on track!
It wasn't scheduled until Monday!
Dave |
Dave just a quick update that I got it installed tonight. I have had a big project going on with replacing all my brake and clutch hardlines, fuel tank, all fuel related lines and brake booster line. I hope before the weeks end the van is back on the ground purring along as it should.
I cannot wait to get to the filling station to enjoy the moment my gas pump clicks off and well.... thats it.... maybe I click once more and then I quietly put the pump up and go about my merry way.
Thanks again Dave |
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Surferboy120
Samba Member
Joined: April 13, 2014
Posts: 90
Location: Dallas
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| Posted: Sat Feb 27, 2021 2:56 pm Post subject: Re: Vanagon Fuel Fill "BURP" - SOLVED! |
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Big milestone for myself today Dave. After finally getting everything done mentioned plus a bit more I finally made it to the gas station. I went to fill my tank and watched as the gallons flowed through..... and then................................................I suddenly heard.....................................a click as the pump turned off. I held the pump trigger and then.....................................................................................................................................click.... I put the gas cap on...................and went home.
The simple end.
Thank you all ( and Dave especially) for the continued support to keep these vans doing what they do. |
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djkeev
Samba Moderator
Joined: September 30, 2007
Posts: 32561
Location: Reading Pennsylvania
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Surferboy120
Samba Member
Joined: April 13, 2014
Posts: 90
Location: Dallas
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| Posted: Sat Feb 27, 2021 3:17 pm Post subject: Re: Vanagon Fuel Fill "BURP" - SOLVED! |
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| djkeev wrote: |
Glad it worked for you!
Not enough happy endings in the world today.....
Dave |
Agreed Dave. Was nice to be driving the van again and it just did everything it should. |
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djkeev
Samba Moderator
Joined: September 30, 2007
Posts: 32561
Location: Reading Pennsylvania
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Surferboy120
Samba Member
Joined: April 13, 2014
Posts: 90
Location: Dallas
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| Posted: Sun Feb 28, 2021 8:00 am Post subject: Re: Vanagon Fuel Fill "BURP" - SOLVED! |
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| djkeev wrote: |
Now if only those valves hadn't slid into being unobtainium!
When my factory check ball escapes the cage again, I know where you live! I'll be coming to get my valve back!  
Dave |
Ha ha ha thats true you have my address he he he!.... I thought someone said the manufacturer still made them but we couldnt find any distributers who carried them? If thats the case doing a small bulk purchase would probably still work.
When the day come just let me know Dave and I will do the search with you. |
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djkeev
Samba Moderator
Joined: September 30, 2007
Posts: 32561
Location: Reading Pennsylvania
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dobryan
Samba Member
Joined: March 24, 2006
Posts: 16494
Location: Brookeville, MD
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DuncanS
Samba Member
Joined: October 17, 2013
Posts: 4583
Location: New Hampshire
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| Posted: Fri Apr 16, 2021 6:11 am Post subject: Re: Vanagon Fuel Fill "BURP" - SOLVED! |
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In planning an aux tank in the syncro location for my 2WD, I have spent a fair amount of time looking at the fuel delivery systems and the attendant venting. Although I could be talked out of it by someone who knows more than I do--98% of the world--I think "burping" ia a venting issue. None of the vents which are small and designed to allow gas to fill the DS raised area on the far side from the fill or feed the charcoal canister, is/are large enough to provide fill venting. The OG designed method for this is to provide a parallel large line along side of the fill tube. However, this vents below the area of the restricted pump nozzle orifice--the hole you stick the gas pump into. So for any air to get out of the tank as it is being filled, the air ultimately has to go around the nozzle and into the atmosphere.
I know the DOT and EPA are worried about fumes exiting to the atmosphere which is why the rubber bellows were introduced and still exist in some states. So In my opinion, that's where the problem lies. The tank simply can't vent fast enough such that the air pressure builds until it has to burp to release the air and gas comes up too. I''ll bet if any of us were to enlarge the restricted hole size, the problem would go away. When I use my rear tank fill to provide fuel to both tanks, this is what I plan to do. In addition, my large fill vent will exit from the tank itself and not low down on the fill tube. If the gas fumes are venting to the atmosphere anyway, how can this be a problem? And I'll bet it will help filling where the bellows are used as well.
And high speed delivery pumps?
Duncan |
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jimf909 
Samba Member
Joined: April 03, 2014
Posts: 7455
Location: WA/ID
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| Posted: Fri Apr 16, 2021 9:53 am Post subject: Re: Vanagon Fuel Fill "BURP" - SOLVED! |
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| DuncanS wrote: |
And high speed delivery pumps?
Duncan |
Fuel replenishment is the least of my problems when I pull into the pit. 
But yes, even though I recall the first gas station nozzle seal bellows contraption in 1989 (it's a specific memory of trying to fill a motorcycle gas tank with the newfangled device in St. Louis in March of 1989), my guess is that VW did not design the system with this in mind.
_________________
- Jim
| Abscate wrote: |
Do not get killed, do not kill others.
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Current: 1990 Westy Camper - Bostig RG4, 2wd, manual trans w/Peloquin, NAHT high-top, 280 ah LFP battery, 160 watts solar, Flash Silver, seam rust, bondo, etc., etc.
Past: 1985 Westy Camper - 1.9 wbx, 2wd, manual trans, Merian Brown, (sold after 17 years to Northwesty who converted it to a Syncro). |
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Vanuber
Samba Member
Joined: February 16, 2020
Posts: 411
Location: Virginia
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| Posted: Fri Apr 16, 2021 2:38 pm Post subject: Re: Vanagon Fuel Fill "BURP" - SOLVED! |
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Installed the Perko backflow preventer this week. Works like a charm! Thanks to this thread for the tips.
_________________
'85 Westfalia 1.9L
'72 BMW R75/5
'71 BMW R75/5
'02 Subaru Forester 2.5L |
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djkeev
Samba Moderator
Joined: September 30, 2007
Posts: 32561
Location: Reading Pennsylvania
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DuncanS
Samba Member
Joined: October 17, 2013
Posts: 4583
Location: New Hampshire
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thebigben
Samba Member
Joined: October 22, 2020
Posts: 94
Location: California
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| Posted: Mon Jun 14, 2021 1:47 pm Post subject: Re: Vanagon Fuel Fill "BURP" - SOLVED! |
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Anyone have any extra hose they'd be willing to ship or sell me?
_________________
Ben
'85 2WD Westy w/ Peloquin TBD + 2.2 Subi (Kurt Vannegut) |
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DanHoug
Samba Member
Joined: December 05, 2016
Posts: 4751
Location: Bemidji, MN
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| Posted: Mon Aug 08, 2022 12:38 pm Post subject: Re: Vanagon Fuel Fill-up Puke - SOLVED! |
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| dobryan wrote: |
This is a great solution.
My '87 puked until I retrofitted with a filler tube from a '90 with the ping pong ball cage. |
reviving the thread since it was referenced... this was on my '89 when i did the tank refurb.
_________________
-dan
60% of what you find on the internet is wrong, including this post.
'87 Westy & '89 Westy both 2.1 4spd
Past projects can be found at--
www.thefixitworkshop.com |
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djkeev
Samba Moderator
Joined: September 30, 2007
Posts: 32561
Location: Reading Pennsylvania
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Mckinleyvillian
Samba Member
Joined: July 22, 2021
Posts: 504
Location: Macktown, CA
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| Posted: Mon Aug 08, 2022 3:36 pm Post subject: Re: Vanagon Fuel Fill-up Puke - SOLVED! |
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| djkeev wrote: |
| DanHoug wrote: |
| dobryan wrote: |
This is a great solution.
My '87 puked until I retrofitted with a filler tube from a '90 with the ping pong ball cage. |
reviving the thread since it was referenced... this was on my '89 when i did the tank refurb.
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That was VW's fix for the fuel burp problem.
My 90 has that same float ball only the ball had escaped from it's cage!
I retrieved it and popped it back in.
Will it come out again?
Probably ......... |
long question short, is this perko check valve worth $25?
_________________
so many roads i know
all i want is one to take me home
85 Vanagon GL 1.9 stick |
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djkeev
Samba Moderator
Joined: September 30, 2007
Posts: 32561
Location: Reading Pennsylvania
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?Waldo?
Samba Member
Joined: February 22, 2006
Posts: 9752
Location: Where?
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| Posted: Mon Aug 08, 2022 4:00 pm Post subject: Re: Vanagon Fuel Fill-up Puke - SOLVED! |
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| Mckinleyvillian wrote: |
| long question short, is this perko check valve worth $25? |
As far as the cost to prevent the gasoline burp, I find that to be a fantastic value! IMO it's totally worth it just to prevent the pollution. Preventing the fire hazard and the stink is gravy. It has worked fine for me since I originally installed it.
Instead of spending $25 on the Perko valve AND $$ on the 1-1/2" hose, you could instead copy the stock design. Cut the end of the fill tube so that a ping pong ball will stop the flow. You could probably make the cage out of decent gauge steel wire. Before I found the Perko valve I considered doing so. I tend to think $25 is a cheap price for the time involved in reinventing the wheel (or finding out that ping pong balls dissolve in gasoline...). YMMV. |
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