UPDATE
The last fix seems to be holding. This nylon repair is very common and every repair shop has a full kit with the requires parts and tools. They use what is essentially a modified bar clamp to press the fittings into the line. Still amazes me that the engineer who designed this would rely solely on the nylon line to form an effective seal on the fitting, especially when fuel is involved, and especially when right over the exhaust manifold. Probably the same guy at GM who spec'd that ignition switch.....
The mechanic I spoke with said they had a bad batch of nylon line...they bought a new reel of it and so far no problems, but every line they made with the old reel has this same issue with swelling and leaking. If there was a bad batch of fuel line coming from the mfr, it's possible Dorman got some and made a bunch of faulty repair kits without knowing it.
At any rate the new repair is holding exactly like it is supposed to per specs. We went to visit our daughter last month and line was dry as could be. I showed her where the splice was and told her to check it every time she buys gas. Takes 2 seconds to pop the hood and stick your finger in the split loom and see if it's wet. Also told her that if it doesn't kick over immediately in the morning, that's a sign of leakdown in fuel pressure overnight, another warning sign.
At any rate glad to know I wasn't the only one having this issue.
Bill was that 3/8" line? Assume I can just slice the nylon off and use the same plastic fitting at the fuel rail but with rubber line? I may do that when she's back up here next month.
