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  View original topic: I 'ran out' of gas!
sam_w Tue Jul 31, 2018 4:06 pm

Oh, my son has borrowed my minivan to take stuff to Sturgis, SD; for the motorcycle thingy, so I have to drive my air cooled VW fleet. I just took my 63 singlecab, to Canada and back, 2000 miles, and my off road thing is waiting for more fun.

I had just filled up my 74 daily driver Thing, and 35 miles later I felt like I had run out of gas. Spark at the points, and no gas coming out of the fuel pump when I cranked it.

I got towed to my friendly air cooled VW mechanic, put it on the lift, and he took a long time in fixing it.
It was not the second fuel filter in front of the engine. It was not the bottom of the fuel tank. When I blew through the line from the back, I blew a long time, and was ready to suck, but gas came out.

So it runs now but we didn't find the clog, and I guess I will keep driving until it happens again.

Any good preventive suggestions?

mondshine Tue Jul 31, 2018 5:09 pm

Is there any chance that your fuel pump is drawing a vacuum in the fuel tank?
I can't remember exactly what the Thing fuel tank venting setup looks like right now, but I did own a '71 Super Beetle that had a clogged vent line, and until it was cleared, I had to open the gas cap about every 25 miles. Whoosh!

sam_w Tue Jul 31, 2018 5:30 pm

Simple one line fuel pump.

74 Thing Wed Aug 01, 2018 6:53 am

Vent line or fuel pump if there is no blockage in the tank.

74 Thing Wed Aug 01, 2018 6:54 am

Vent line or fuel pump if there is no blockage in the tank.

74 Thing Wed Aug 01, 2018 6:55 am

Vent line or fuel pump if there is no blockage in the tank.

BNMike Wed Aug 01, 2018 8:13 am

My brand new '73 would occasionally 'run out of gas'. The Dealer finally found the problem. He said there was a shop rag floating around in the tank, and it would occasionally get sucked down over the outlet.

BNMike

sam_w Wed Aug 01, 2018 8:48 am

Thanks, I didn't remove the gas cap, but we unblocked it without removing it.



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