Replaced gas tank. Vent tube not working

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RESCHNER
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I recently replaced the gas tank with a used tank. Vent tubes identical. Have tried repositioning tube, etc., but it will not allow me to put gas in at more than a trickle. I have had the filler pipe off, vent tube out, and there is no blockage anywhere. If I move the vent tube up or down slightly, it makes a difference, but still not enough to allow decent gas flow from the pump. It takes me about 20 minutes to fill the tank. The problem is not getting gas to the engine, it is putting gas in the tank. The air cannot come out of the tank fast enough, and the gas keeps backing up, and running out the fill pipe. I have been told that it is probably an after-market tank, and I won't be able to do anything about it. I can't accept this. Ther must be a way to put gas in tank
Mar 20, 2006 at 2:48 AM
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PEPPERMRJ
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Forget the vent tube and try rotating the fiiler tube. They can be sensitive to their orientation especially if the have an antisiphon valve. Also be sure it is not pinched/kinked, etc.

Good luck and let us know. :)
Mar 22, 2006 at 9:14 AM
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RESCHNER
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Thanks for the suggestion. I checked this immediately, but I don't think it's the problem. Filler tube seems to be in place, and not twisted or anything. Any other ideas?
Mar 23, 2006 at 2:43 AM
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PEPPERMRJ
  • ✓Experienced Mechanic
  • 1,158 POSTS
It sounds like the roll over ball valve is stuck in the closed position, Please remove the filler neck to inspect.

Please let us know what happens.
Mar 23, 2006 at 6:18 AM
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RESCHNER
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Great work that was the problem. I love this site :)
Mar 23, 2006 at 9:10 PM
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