Air in the fuel line.....HELP ME!!!!

[simple83]

I've got a slight problem.......

I'm constantly gettin air bubbles in my fuel line between the fuel filter and the engine intake....... causing the engine to stall........there is no air in the line between the fuel tank n the filter but after the filter there is...... I've tried putting my finger over the exhaust to prime the engine but its not working all the time..... but i can't work out exactly why its happening......

someone please help me cos its frustrating me immensely......

its very very annoying........

 

[alpinehyperlite]

Check the o-ring on the filter, if its good, check the connection of fuel line onto filter, if that isnt it, get a new filter, and replace all of the fuel line on the rig.

 

[simple83]

i pulled the air filter apart n put it back 2gether again.... my buggy isnt even a week old so i dont think anything would be wrong with filter or the fuel line surely.......or could there????

 

[aftershocked205]

does your tank have a primer??? cause mine did and as soon as i removed it there was less air bubbles in my line.

 

[simple83]

nuh the tank doesn't have a primer...... was told by the guy at LHS to put my finger over exhaust to prime it...... but it gets to the filter but then gets air bubbles after the filter.........

 

[94stanggt]

try by-passing the fuel filter and just run a line from the tank directly to the engine. that way if u dont have bubbles you know something is wrong with the filter part of the system. If you still get bubbles, then the filter is not your problem. try running new lines i would guess.

 

[simple83]

ill have to try it bypassing the filter.....thought of that but the lines are so tight over the fittings.... should i need to run new lines if its only not even a week old??????

 

[Amoeba]

ill have to try it bypassing the filter.....thought of that but the lines are so tight over the fittings.... should i need to run new lines if its only not even a week old??????

The suggestion to run new lines is to see if bypassing the fuel filter solves the issue. If so, you know for certain the problem lies with the filter. Fuel filters are two-piece parts that screw together with a rubber o-ring to complete the seal. If the problem is in fact your fuel filter, check that the pieces are securely tightened, that may solve the issue. If your o-ring is shot (manufacturing defect or whatever), you can try placing lithium or silicon grease around the outside of the o-ring to try plugging any air leakage in the short term, long term just pick up a new filter, they're pretty cheap.

 

[Cupooterluvr]

If your o-ring is shot (manufacturing defect or whatever), you can try placing lithium or silicon grease around the outside of the o-ring to try plugging any air leakage in the short term, long term just pick up a new filter, they're pretty cheap.

I used plumber's teflon tape on the threads on my filters and they don't leak air (I think, it's been a while since I really checked; they didn't leak when I put the tape on though)

 

[darkslayor24]

do you have the filter together tight enough??