Vw Beetle Fuel Cap Release – Hi all, new to the beetle world, just bought a 69 auto stick on Saturday and love it. I know…auto stick…but I dig it and it’s cherry. I actually bought it for the wife, now I think I need to get one of my own. about the question….should my fuel tank be vented to atmosphere or sealed? I looked and saw references to a carbon canister, but only in relation to later model fuel injected superbugs. The reason I ask is that the vent nipple on the drivers side of my tank is connected to the filler pipe. I’m having trouble booting after the error has run. I usually have to hold the pedal to the floor to get it to fire and when I remove the fuel cap I usually hear a vacuum which makes me think the fuel pump is fighting the vacuum in the tank. If I press the fuel cap before trying to start, it fires without a problem. who thanks for all the help. steve
All fuel tanks must be vented to prevent a vacuum from forming due to fuel pump suction. I would check all the tank vent lines, make sure they are not clogged or kinked. _________________ 73 Bug deVille 77 Vert – Under Destruction See here – http://images./vw/gallery/pix/305639.jpg
Vw Beetle Fuel Cap Release
Hi Clem, You are correct that your 69 will NOT have any M-26 exhaust equipment. M-26 systems were installed starting in production year 1970. But your 69 has a vented tank (although it doesn’t have a vented gas cap). I’m not sure about the first pull on the vent hose, but I’m pretty sure about two things. First, the hose must be pulled higher than the tank itself. This means that the hose must run up and under the glove box and radio before crossing over to the driver’s side of the vehicle. Two, the hose runs forward along the driver’s side of the gas tank. Go forward out of the tank and into the spare wheel well. In the spare wheel well (the upper right corner of the well when looking at it from the front of the car) you will see a passage opening for the ventilation hose. The hose is simply pulled through the passage long enough to allow it to hang up to the front beam. Mike 1970 AS Bug
My Vw Beetle 1969 Patina Restoration
If you don’t want to mess with the hose, go to a motorcycle shop and buy a gas tank vent/check valve like those used on off-road vehicles; these allow air to enter the tank, but prevent fuel from leaving. They cost maybe $10. I’ve been using one in my wagon for a year (couldn’t get the valve up far enough to keep the fuel from coming out) and plan to install one in the 69 I’m working on now instead of dealing with the hose. I’m paranoid about my car leaking gas. __________________ D-Dubya Manx clone – 63 Short pan, 1914. Rosie 65 bug – My mostly daily driver. Woodie 69 VW woodie (Hot VWs 7/12). “John’s car” 64 VW woodie – Maxine’s first bug 61 Cal-look – Cindy’s daily driver. Max – 73 Standard Beetle Hearse Projects – For Sale 66 Bug Projects – Real Patina & Suby Conversion There are more, but don’t keep them…
Thanks for the help. Pretty much what I thought common sense but a second opinion always makes me sleep better at night, plus I know what they say about assumptions.
I have the same problem. I got a container to repair, but what should I do in the meantime? I’m thinking of making the check valve on the motorcycle a bit more secure, why not roll the vent hose like a still to shine? It does not twist from side to side but snakes up and down, so that the liquid descends by gravity. T-valve at the top to the motorcycle check valve, then back to the tank for the bleed. The hose can be wrapped around a coffee can or say a fire extinguisher 😉 because of the shape. I even thought copper tubing would work, they have those flexible things pretty cheap now. Then foam wrap the copper for good condensation. Right now I have half or less of a tank of fuel and a vented cap. And a habit of going easily in left turns.
Gov, It took me about an hour (and I’m pretty slow when I work on cars) to replace all the hoses going to and from my gas tank, including the hoses to the expansion chamber. The cost was minimal (tubes and clamps). Even if you don’t have a proper charcoal canister in the back, if you just take care of things around the gas tank, you can fill your tank and not worry about fumes and spills. Later you can get a used coal can or get a new one from Antonio, and no fumes get into the atmosphere. schedule
Gas Tank, 12.5 Gallon Capacity, Fits ’61 ’67 Bug
In both my 69’s the ventilation system is very simple. As you mentioned, there is a T on the fuel filler pipe. On the short side of the tee, a line runs through the fuel tank and ends at the driver’s front wheel. So yes, if you overfill it it will pee on the floor. But one thing I noticed is that the hole in the tee that goes to the vent lines is very small. So little infringement that it stuck over the years and my valve stopped working. I just got a small drill and am turning with my fingers and clearing the blocked valve. Take a look there first. __________________ 69 Road Bug 2110 73 Squareback – 2L, T4, Automatic W/ AC Born, but many memories 69 Baja Bug 2010 – 5 Rib Bus Transaxle Gone but not forgotten 72 Baja Bug 2010 My T4 version on Squareback http:///vw /forum/viewtopic.php?t=458944&highlight= Trans Auto Rebuild http:///vw/forum/viewtopic.php?t=516066&highlight= AC on Squareback https:///vw/forum/viewtopic.php?t= . ..brand=
In both my 69’s the ventilation system is very simple. As you mentioned, there is a T in the fuel filler pipe. On the short side of the tee, a line runs through the fuel tank and ends at the driver’s front wheel. So yes, if you overfill it it will pee on the floor.
But one thing I noticed is that the hole in the tee that goes to the vent lines is very small. So little infringement that it stuck over the years and my valve stopped working. I just got a small drill and am turning with my fingers and clearing the blocked valve. Take a look there first.
What he said __________________ I am the most humble guy on this board. 1969 autostick sedan family sedan new engine 1600 SP Solex 30 PICT 3 carburettor Bosch 113905205AE distributor autostick
T1 Beetle ’59 Fuel Tank Raise Frame
So it’s bad not having a valve…. the reason is the valve hose burst and just broke… so in the process of replacing the line I broke the small male end of the tee that was meant for the valve.. .and I looked all over for a replacement and I can’t so I replaced the 20mm hose with a one piece. no ventilation right now until i find a t-shirt… or can i just leave it as it is??? and this will help…
The tank MUST have a vent to outside air. Consider this. When heated, the gas expands. Where will the extra air go? When you drive and use gas, what fills the space after the used gas? I have seen where cars “run out of gas” periodically without a valve. Turn it off and let it sit for a while, then it’s fine. In late tanks there are a couple of different little nipples you can use; keep in mind you don’t want gas flowing out of the valve, so you can pull the valve line out of the tank as high as you can and then go under. the valve car Another thing is to put a loop on the rope. __________________ D-Dubya Manx clone – 63 Short pan, 1914. Rosie 65 bug – My mostly daily driver. Woodie 69 VW woodie (Hot VWs 7/12). “John’s car” 64 VW woodie – Maxine’s first bug 61 Cal-look – Cindy’s daily driver. Max – 73 Standard Beetle Hearse Projects – For Sale 66 Bug Projects – Real Patina & Suby Conversion There are more, but don’t keep them…
Samba Member Joined: Aug 17, 2007 Posts: 2200 Location: US Navy Atlantic Fleet Home, Norfolk, VA
The vent hose pictured goes up behind the dash, then down the driver’s side to a hole in the front apron just outside the spare wheel well. The loop behind the dashboard prevents the liquid gas from being overfilled. Even when filling, when the nozzle
Vw Beetle Gas Door Release Cable
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