Any help reaipring a drip drip gas line on my old Case tractor

Grasshopper

Ok, had to change sediment bulb on the Case 402 tractor and of course the old one broke off at the base of the gas tank. I took it to metal shop and he drilled what he thought the exact same threads but they must be a few thousandths off. I used tape and TFE paste but it has a small drip to it. Anyone know what would/ could work to stop it for real.? Another tank is out cause they made this model 3 years and impossible to find. THANKS

varian

try threading a brass fitting into the tank, one thats adaptable to your sediment bulb.  once you thread the brass adapter in then apply solder to secure.  this should get you going.

mac10

pipe dope for gas oil 

dunbarboyz

JB Weld will seal it if it is clean and dry.

BobJudy

Good old Permatex makes a gas and solvent resistant sealer. Probably find it at your local parts store. Bob

shootuadeal

I second the JB weld idea. Bad things is that might make it a little more permanent than you like.

Nanuq907

Good suggestion Bob, given enough Permatex they could have refloated the Titanic.  The stuff is amazing.

Grasshopper

shootuadeal said:

I second the JB weld idea. Bad things is that might make it a little more permanent than you like.

NO, once it stops that will be the last time it is taken off.  Just wanting to make it good and drip free. Only so much time on the Earth and I don't want to waste what I have left on my old tractor.
 THANKS GUYS FOR ALL THE REPLIES, ONE AND ALL!!

hillbille

you can get a putty type 2 part epoxy to repair leaks in gas tanks, most auto part stores carry it, you may try that............

Ditch-Runner

go with the pipe dope as suggested  one thing I have not tried but seen a youtuber auto repair fellow  a few days ago ( Pete on diy auto school ? )  use on his air lines the joints were leaking bad  ( new shop he   just built in Ut. ) was some sealing pipe tape called blue monster he had a lot of leaks and swore by the stuff that and some high end pipe dope I do not remember the name of 

Smitty500mag

JB Weld is good but the only draw back is if you use it and it doesn't work then it ain't coming off.

love2shoot

JB a nipple in, then use a coupler thing?? Screw the bowl on to it and remove if necessary leaving the nipple JB ed in.

varian

there is not an epoxi, tape, or sealer in the world that will not start leaking over time.  the only long term fix is to do as i first described, either solder or braze a fitting to the tank.  your sediment bulb probably also contains your fuel cutoff valve.  this means you are going to be applying torque to this connection turning it on and off and that will cause it to begin to leak again over time.  repair it with a hard connection and be done with it.