Cut a 2.5" section from the liner tube.
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The fuel vent neck on the tank must have a section of the liner tube pressed back inside to maintain pressure applied when tightening the hose clamp (during re-assembly). I have no idea why this is, but since someone advised to do so, I didn't argue.
Cut a 2.25"-2.5" section and fit it back into the fill vent neck. You'll need a hammer or something heavy to pound it in.
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NOTE: I was forewarned not to use a metal hammer should I be unlucky enough to strike any steel parts on the vehicle and cause a spark near all the gas fumes. When pounding the liner tube back in place, I left about 0.125" protrude beyond the fill vent neck in case I would have to pull it out again for any reason in the future.
