is there a fuel line vent?

[tim21391]

so i just put in a new radiator support and i was attaching the fan shroud on the bottom and i seen a line that is open and hav eno idea were it goes... it doesnt come from the pump.. i follwed it back to the back of the cab.. and it even smells like gas so is it to worry if no gas comes out and the truck runs?

[spinning wheels]

Originally Posted by tim21391

so i just put in a new radiator support and i was attaching the fan shroud on the bottom and i seen a line that is open and hav eno idea were it goes... it doesnt come from the pump.. i follwed it back to the back of the cab.. and it even smells like gas so is it to worry if no gas comes out and the truck runs?

It was most likely connected to a fuel vapor recovery canister. It has activated carbon in the canister. When you shut your engine off, there is still gasoline in the manifold and it eventually makes it way into the atmosphere. EPA required the EGR and canisters installed in vehicles to lower the harmful vapors to go into the atmosphere, remember gasoline is considered a toxic flammable liquid. When you start your engine, the vacuum created in the engine, suck the vapors from the canisters, back into the manifold and are burned in your engine. If you don't have a vapor recovery canister, cap off the port on the manifold, to keep it from sucking in air. Your truck will run the same with it or without the canister.

[tim21391]

it stops right at the frame rail.. just put a hose on it with a bolt in it with a clamp right?? that one doesnt lead to my manifold