Ah ha! thats the elusive part someone once mentioned to me long ago...i really hate to ask this, but where can i find the vent pipe?
Mavro, your vent is located in the center of the top of the tank. You have to drop the tank to get to it, a real pain. It's connected to a hose that runs under the car all the way up under the hood to your charcoal cannister (an emission thing) Thank an evironmentalist as Dennis says... Anyway, if this is clogged, it will make these new fangled pumps click off. The reason this happens is because the new pumps actually pull a vacuum when they're connected to the car to prevent gas fumes from being emitting into the air. They are supposed to shut off when the tank is full, but if they pull against a tank with a clogged air inlet, they will shut off unless you hand feed it a thimble-full at a time. Very frustrating. My guess is that with most of these older cars, the vent is clogged due to dirt and age, and no one ever cleans them because they're such a pain to get to. My pretty half's new Mustang was having this same problem - turned out there was a spider's nest in the vent. Anyway, hope this helps. Sam
Thanks sam, sounds like a project that will have to wait for the weekend though. If i have any more problems i'll gladly let everyone know.
On another note gas jumped 0.26 cents a gallon last night in the St. Louis area. Currently at $2.15 a gallon. Makes spilling it on the ground even worse!
There are two vents on your tank. One is in the filler neck vent that is suppose to prevent the air flowing out the neck and blowing fuel out. If you remove your filler neck you can see this vent tube there is also a shield in the filler neck (if it's spot welds haven't broke off) to keep fuel from entering the tube.The other vent tube that is refered to in the above post is for a closed system after the tank is filled. It does not have the capacity to flow enough air even if it wasn't cloged. New cars have the filler vent connect to the tank seperate from the filler. It is also connected to the top of the filler neck and is about a 5/8" hose or tube.
I'd have to agree with Tom on the vent on top of the tank. I converted my Sprint to a Mustang tank and put a new vent on top along with all new lines up to the cannister, so I know mine aint clogged. And I still have major problems filling it. Just for kicks and giggles though, I will try to remember to disconnect the hose from the charcoal cannister next time before filling up. After 30 years, who knows what kind of shape that is in. I aasume its working because I have no fuel delivery problems. I would think if it wasent, I'd eventually pull a vacuum in the tank and kill the motor.
So is the vent tube shield necessary in the filler kneck? mine broke off and i don't have a welder and i just got my tank re done and going to install it, just wondering if i need it or not. if its gonna make things worse or just the same as before spray out if filled to fast lol thanks
Cannister may be plugged that is if its hooked up or even on the car at all. . Make sure the vent line isnt plugged off at the firewall. AS fuel goes in vapor has to go out.
thanks, i was just referring to the shield thats spot welded in the filler kneck, its broken off my filler kneck , do i need to have it or not? thanks will take a picture if needed
Lol thanks yeah it's mind boggling cause I just got all my parts together , new pickup lock rings cleaned tank and all that good stuff just waiting to find out about the shield before I put it together
