Fuel line, rear tank.

[notenuftime]

I have a small leak in my rear tank and want to attempt to patch it but need the area to dry up, When i noticed the leak i ran the rear tank almost empty and that was over a month ago but it keeps on dripping. Is there a shut off some where on the fuel line going to the rear tank besides the one in the cab?, i ask cause the only reason i could think of why there is still fuel leaking is that when i fill my front tank all of the lines are kept filled to prevent air in the fuel, and thus the rear tank keeps leaking. Is this thinking correct?, or have i just not waited long enough for the tank to dry up.

 

[laserjock]

There is still probably a gallon or more of fuel in there even if you ran it to the empty on the gauge. It will take a long time to leak out if its just seeping. Even if you sucked it dry with the pickup, there probably would be a quart or 2 left sloshing around or more. You will probably have to drop it and drain it to get it to dry up.

 

[notenuftime]

Am i able to drop the tank with out removing my bed?

 

[IDIoit]

yep, but getting the fill tube back on will me a pita
if i were you, i would just buy a new tank.

 

[Wvdirtroad]

Removing the bed is easiest. I siphoned the tank and moved it to the front tank and then blew my rear out with air and shop vac' it.

 

[icanfixall]

If you choose to remove the tank please cut loose the supply and return lines on the frame cross brace just in front of the differencial. Then you can drop the tank and easily reach in to remove the lines and electrical from the top of the tank. Otherwise its just too tight reaching in there. Just not enough room. Pulling the bed works well if you have friends. Usually our tank suction heads break off and leaves about 1/4 tank of fuel that can't be sucked out. Depending on where the leak is and how much fuel is still in the tank you might raise the truck so the fuel is not over the hole. Might also put some vacuum on the tank to keep any fuel from washing out of the hole if you try patching it. Just a slight vacuum is all you need. Remember the normal air pressure we live in can crush a tank easily.

 

[texcl]

I just drilled out the hole and drove a screw in there with a large head and rubber washer to seal it. It has held for a couple years now.