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Leak from plug on carb by fuel filter

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Old Jun 23, 2018 | 11:40 AM
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Leak from plug on carb by fuel filter

Have a slight leak at the steel plug on the carburator near the fuel inlet.

Try tapping it a little with a “hammer”? Buy just the plug? Keep driving?





 
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Old Jun 23, 2018 | 11:55 AM
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Just smear it with some gas resistant sealant and keep on truckin!
 
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Old Jun 23, 2018 | 11:55 AM
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I have never seen one of them plugs "weep".
I also don't know how to go about fixing it.
Did you try to tap in in a little? Just have a backup to drive if it starts to leak more.

With that said the only fix I can see is replacing the fuel bowl.
You may need to get one that bolts up but will have a different inlet so may need to change the line going in.
Dave ----
 
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Old Jun 23, 2018 | 12:06 PM
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Jb weld it and forget it. Rochester’s have the same issues, except on the bottom of the bowl. At rebuild time, we jb weld the plugs.
 
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Old Jun 23, 2018 | 12:19 PM
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I’ll try the JB weld trick. Need to take it about 7 miles round trip at the moment.

I tapped it lightly and it seems to have helped.
 
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Old Jun 23, 2018 | 12:29 PM
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That looks like a Holley 4160
Holley sells the swivel fittings for about $20. I would check the inlet size and threading before you order a new one, though. There are different style fittings that have been used over the years with different gasket setups, so you might be able to use one of those, or use a straight hose barb if you can ensure the gas line won't kink. JB weld can't hurt until you find something better.
 
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Old Jun 24, 2018 | 06:44 PM
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So, truck sat over night, next day, fired right up with no extended crank. Tapping that back in prevented air from allowing the fuel to drain back to the tank I guess.
 
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Old Jun 24, 2018 | 07:41 PM
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Is that a hole in the plug wire insulation in that one pic? Not trying to be a richard head, tho you don't want that in plug wire.
 
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Old Jun 24, 2018 | 08:19 PM
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Good eye! It might just be something on the surface of the wire.

I had an '84 Capri RS 5.0 with the 4180, and mine did the same thing. I let it dry real good for a couple of days, and then smeared some JB Weld around where the bowl housing crimps over the round plug, (and let that dry well) and it never leaked again. That was close to 20 years ago, and I don't think I tried (or even thought of) tapping on it.
 
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Old Jun 24, 2018 | 08:29 PM
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Tapping on it was a crapshoot, as that plug is really only designed to go in once. Based on my lawnmower carb rebuilds.

Don’t think that’s a hole in he wire, though it could be as there’s nothing there for it to arc to. I’ve not done a tune up on it since buying it. The parts are in the garage.

Got to the yard and loaded up with rock. Went to leave and there was nothing after turning the key.
pushed the shifter up a lil and it started. Hoping it was just the neutral safety switch.
 
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Old Jun 25, 2018 | 12:07 AM
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Maybe it's just a spider....
 
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