Fuel leak, not start..
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Junior User
Joined: Jan 2006
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From: West Haven, CT
Fuel leak, not start..
So I have a '94 F350 IDI Turbo with several issues... My glow plugs are shot for one, and the truck just won't start if it is too cold or has been sitting for a while.. Now I am about to replace the glow plugs however it has been relatively warm the past couple of days, so I figured my truck would start. No luck. I have also been smelling fresh diesel coming from the e.c. I checked only to find diesel on top of and around my fuel filter. I believe it to be coming from this black connection on top. From what I gather, this is a heater of some sort(?) and if it leaks this means I will get air in my lines? So how do I fix this and does this connecter come off? I have trying to gently pull it off with no luck but I don't want to rip it off.. Do I have to purge the fuel system after? How do I do that also? This is a picture off what I am talking about, you can see the black connection with the red wire. Thanks for your help guys!!
Steve
Steve
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From: Faibanks Ak.
You access that fitting from the underside and yes you have air intrusion if it gets damp air will leak when diesel won't. and it causes very hard cold starts. You need your glow plugs to work I have seen these engines that were hard to start without them when it is 80 degrees out.
Postmaster
Joined: Apr 2009
Posts: 4,086
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From: Malahat/Cowichan Valley
My system knock on wood loves me!! Aside from my pressure being high, I just replaced all injectors and return lines and it didn't leak a drip!!! If it is leaking from there pull the filter and look up under there or you can pull the whole header assembley. You should be able to reseal it with diesel resistant silicone and be good or replace the whole thing
Post Fiend
Joined: Oct 2007
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From: Faibanks Ak.
You have to pull the filter header off to get to it. PLC7.3 and others have detailed instructions on how to change it out and I thing oregon fuel injection lists the oring seperately. Please don't put any silicone in there.
Senior User
Joined: Nov 2009
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What will silicone do in the fuel? Just wondering.
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Post Fiend
Joined: Oct 2007
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From: Faibanks Ak.
Silicon will not hurt the fuel, it also doesn't desolve in the fuel and when some comes loose hopefully the filter stops it and it should but it wouldnt be good or in an injector line or injector.
I have replaced many motors because silicone stopped up the oil pump screen or the bottom of the radiator so it is rare I advise someone to use it. (especially that I dony know)
I have replaced many motors because silicone stopped up the oil pump screen or the bottom of the radiator so it is rare I advise someone to use it. (especially that I dony know)
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Post Fiend
Joined: Oct 2007
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From: Faibanks Ak.
You like jb weld just clean it up and put jb on top of it, you don't even have to pull the filter that way. lol
Senior User
Joined: Nov 2009
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Well i couldn't find the oring on oregons site. But I think it was plc7.3 that either posted the size of it or where you could get it. But geesh if we have a size the oring can't be over a buck or two.
You like jb weld just clean it up and put jb on top of it, you don't even have to pull the filter that way. lol
You like jb weld just clean it up and put jb on top of it, you don't even have to pull the filter that way. lol
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