Fuel Filler Tube Restriction

[CBrittan]

Can someone restate what purpose the fuel filler restriction device serves, if any.

 

[Pawpaw]

What restriction device? My filler neck is wide open.



Bob

 

[nickleinonen]

What restriction device? My filler neck is wide open.



Bob

mine too...

 

[Cattletrkr]

Any full sized "big rig" nozzle fit into my '01. My 04. 5 is a real !#@$%#@$%@^@$& to get out. I feel like a moron pulling the nozzle out sometimes. They changed something, and I don't know what. Been thinking about RIPPING OUT THAT POS new whatever and FIXING it real good.....

 

[Po' Riggity]

big rig nozzles work fine in my 04. 5, just don't go in all the way, and I have to pay a little more attention to it when filling up.

Scott

 

[Pawpaw]

On mine, the only thing a nozzle could possibly hang-up on is the vent tube that comes into the left side of the filler neck. It does stick into the filler neck about 1/4".



Is that what you're talking about?



Bob

 

[CBrittan]

A few weeks ago my Dodge Ram dealer installed my AirDog. It seems to me if I remember correctly (my last truck was a Duramax which had a big restrictor in the filler tube and maybe I am remembering that) that before the install, I had some kind of restriction device in the fuel filler tube, which is no longer there. I went back and asked the service manager if he had removed something from the filler tube while doing the install of the AirDog and he just smiled. Now I can fill my tank at the bigtruck pump, and my tank takes full fuel flow from the pump.



So, I was wondering, if I did have some restriction device in the filler tube, which is gone now, why was it there in the first place, and what did it do.

 

[klenger]

Assuming that most of the fuel filler parts are the same for a CTD as for a gasser, I wonder if the restriction for unleaded gas was installed by mistake.

 

[Blu-meanie]

The gas fillers have that little check valve thing that prohibits filling with the old leaded fill nozzles. I believe is about the size of the hi volume diesel fill nozzles. They may have screwed up . No, not DC LOL.