2016 Ram 3500 auxiliary fuel tank plumbing??
I have traded off my 06 Ram cummins for a 2016. I have a tank in box with filtered line to main tank. I can leave the valve open and fill both tanks and there has been no leaking. Can I do same wi...
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So, reading the other slip tank thread, it appears that there is a check valve in the tee in the filler hose. Makes a lot more sense than relying on the fuel tank vent check valve and the gas cap or whatever seal is in the capless systems.
