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Click on this link  http://thebugshop.org/gotech.htm  and scroll down to the area that reads 'The fuel tank path: Tank to carburetor'. Click on this and you will get more information on the fuel system.

There are three covers in the front of your Beetle. These covers are removed when you replace the shifter bushing. One cover is on the outside front of your car, just below the bottom of the hood line. One cover is in the spare tire well and the other is on the frame head, just behind the front suspension.
The first two covers can be removed when you take the spare tire out of it's compartment. The other cover can be removed from underneath the car. This cover has two 10mm bolts holding it. You might have to remove the front licence plate also (to get a clear view into the tunnel.
Once these covers are removed you can shine a flash light into the tunnel from the front of the car. Don't use a drop light because the heat (and the chance of spark) could start a fire or explosion if it make contact with the fumes in this tunnel). When I replace the shifter bushing on my 70 Beetle I place a small mag light into the frame head opening (the area that had a oval cover on it with two 10mm bolts holding it on).
Look through the three holes that are left when you remove these covers and you will get a good view of the fuel lines.
To get a rear view of the fuel line you can remove the cover on the top of the tunnel. This can be reached by removing the rear seat. The cover is oval and is located next to where the factory has stamped you VIN number.
You can also remove the shifter assembly and look through that opening but the view is very limited just like the rear view will be.
You will find that the front view (near the bumper) is the best for looking at your fuel line.
If a fuel leak is not clearly seen then you will have to do a pressure test.

It actually goes to the intake manifold and you need to put a plug on this connection. Also, you need to put a plug the connection on the carburetor that goes to the throttle positioner. Make sure that there is only one gasket on the intake manifold (where the carburetor bolts to the intake manifold. Also, check out the gasket that you are using on the base of the carburetor. If it looks deteriated, replace it.
On my 70 Beetle I removed the throttle positioner because it was not working properly.
Tom mentioned about the emissions in California. So, if you live in that state you will have to repair it and leave it on, if that state still requires it.

Very nice. Does that swamp cooler keep your Beetle cool in the Summer?

I noticed that some of the posts on the message board were posted today. Maybe the members of that website only communicate with other members. Have you signed up to be a member?

Clever Germans.