Fuel leak.
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Senior User
Joined: May 2008
Posts: 387
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From: Bald Knob AR
Fuel leak.
Hey guys. My 96 is leaking fuel. It appears to be coming from the top of the engine and running down the back on the right side. I won't have time to try to find the leak till Sunday. I was hoping you guy's might give me some pointers on where to look to save me some time. Are there any common leaks on top of these things? Thanks in advance.
FOREIGN GURU
Joined: Jul 2006
Posts: 7,655
Likes: 7
From: Celaya, Gto. MX
Hey guys. My 96 is leaking fuel. It appears to be coming from the top of the engine and running down the back on the right side. I won't have time to try to find the leak till Sunday. I was hoping you guy's might give me some pointers on where to look to save me some time. Are there any common leaks on top of these things? Thanks in advance.
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Logistics Pro
Joined: Oct 2004
Posts: 4,738
Likes: 103
From: FL
Start with the lines that run from your mechanical lift pump to fuel bowl etc, May be a worn line. A lot of times that leak is from the weep hole on the fuel pump and it's going south... a good way to check is to clean everything out and get a small mechanics mirror to look around down there with some good lighting and see if you can ID the spot. If it is the fuel pump, we can get you pointed in the right direction as far as replacement
good luck
good luck
Post Fiend
Joined: Dec 2010
Posts: 10,121
Likes: 3
From: Orrville, Ohio
I had a similar leak a couple weeks ago and it turned out to just be the "banjo bolt" on the fuel lines that needed tightened up a bit. BTW if that is what it is, you will need an 1 1/4" wrench to tighten it up. To see this bolt you look to the rear of the fuel filter and down in the valley between the cylinders. It's really the only thing in there big enough to require that size wrench. Good luck!
FOREIGN GURU
Joined: Jul 2006
Posts: 7,655
Likes: 7
From: Celaya, Gto. MX
This one, and dont forget the bottom of the filter cannister, mine was corroded and leaking for little whep holes.
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From: Bald Knob AR
WOW! Some great information guys. I got a feeling yall just saved me a ton of work. I'll check it out Sunday and let you guys know what I find. Thanks a million all of you.
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Post Fiend
Joined: Dec 2010
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From: Orrville, Ohio
Typically I wouldn't know if that were a good or a bad thing, but I think in this case that is what you wanted. Glad to hear you found your leak.
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From: Bald Knob AR
Ok, I found the leak. It's leaking at the area at the back of the head on the passengers side, between the head and exhaust pipe. I presume from the pipe that is coming from the fuel pump. I cannot see what is in there. What do I need to do now? Pull the exhaust pipe? How do I fix this? Thanks again everyone.
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Joined: May 2008
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From: Bald Knob AR
K, thanks. I'm gonna go get a mirror and see if I can see behind there but that is definitely where it is coming from. The valley and all the stuff in there is dry. The best I can tell it's running down the back of the head onto the starter then on the ground.
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From: Bald Knob AR
Ok, I managed to get the leak stopped for the time being. It was where the line from the fuel pump screws onto the 90 in the back of the head. It wasn't loose. I got a stubby 9/16 wrench onto it and it was tight but I went ahead and put the tightetis on it. Stopped leaking but it appears like there is some sort of rubber squeezed out between the line nut and line so I fear it won't last long. What is in there? An oring? I'm gonna go ahead and get the parts and replace it when I can. Thanks again everyone.