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Jeff,

That is great stuff, thank you for adding the rest of the story. It spurs a couple of thoughts. One, if the coach had a primer on top of the tank, then that line is piped into the main fuel line. Without disconnecting it, the main line is not going very far. If it’s not tied into a primer, then you are experiencing the Newell zip tie phenom. To the best of my memory, the main line runs across the tank and in the space behind the battery bay before it exits into the engine bay. You may not be able to get the old line out, but may be able to snake a new line. I was not able to snake a new line when I was trying to get my broken fuel pickup calamity off the side of the road.

So the fuel line appears to go into one of the pvc chases that heads toward the engine compartment. I think the edge of the check valve got snagged on the pvc pipe. If we had not been at the end of our energy level then we perhaps could have used a stick or something to try to push up on it. It could also be tied to the other lines that are also running in that pvc pipe with tie wraps as you suggest. Our plan was to get a new line made up and hopefully snake it through a new spot. This will require lifting the coach up so I can get underneath and find alternate route.

So some more interesting info, when I was looking for the fuel line going to the engine from the tank I found a line on the driver side that is connected to a green air line? Is this possibly to be used to pressurize the tank for priming? Wondering where you control the air from? I did not take the time to focus on where this airline went, it disappeared into one of the chases headed toward the rear of the coach. Maybe someone else has this feature? It does not have the priming pump on the tank like mine does.