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Unread 09-17-2012, 09:08 PM   #1
SKYOFSCORPIONS
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Fuel Line Leaking Up Front

So my 92 YJ 4.0L is leaking fuel, which I need to fix asap. Most of the threads I've seen is where the fuel line has been leaking towards the rear of the Jeep. Mine is right where it bends up to the engine bay, it's like a rubber hose. Any suggestions where I could get a replacement and how to take this one off?

Here are some pictures I took from underneath the Jeep.







Top end of the hose line.


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Unread 09-17-2012, 11:02 PM   #2
jokerchief462
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I know where they are but have no idea how to remove from the steel line. It is the line that goes from steel to rubber to make the transition to the engine. Has to be a source other than the dealer but I have looked and not found one sorry. I got nothing. If I stumble on something I'll be back.
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Unread 09-17-2012, 11:16 PM   #3
SKYOFSCORPIONS
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Yea, kinda of annoying in that way. I'll try PepBoys and some others tomorrow. The best route to me would to replace it with a braided steel line, but it would take a little more time and a little more modifications.
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Unread 09-17-2012, 11:54 PM   #4
jbolty
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Most hoses of that type have a pretty standard barb fitting underneath that fancy crimp. Cut off the crimp carefully with a dremel and replace the hose with some high pressure fuel injection hose, then double clamp.


Or, you can cut the quick disconnect ends from the metal line and clamp directly to that.
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Unread 09-18-2012, 03:28 AM   #5
Hard_oNe
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^^ I had done what Jbolty said. I removed mine before they blew, they were jelly-like when I squeezed them. You don't need a tool. To remove them, squeeze the two tabs together and pull on the other end. They are called quick connect tabs in the Service Manual.

Go to autozone, napa, or oreilly and buy gas lines with double clamps. Make sure you leave slack in the line to compensate for engine movement.
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Unread 09-18-2012, 08:07 AM   #6
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Unread 09-18-2012, 06:40 PM   #7
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@jbolty, using a Dremel is out of the question, fuel sprayed everywhere and I dare not make any sparks.

@Hard_oNe, my tube is definitely jelly-like. My problem now is removing the top of the tube from the metal line, right by the engine/header - this was the last picture I put up. THere is no quick-release and there is no way for me to remove the crimp easily. So my thought was to cut the metal tube just past the rubber. I tried this with strong wire cutters but it pinched the tube. Now I'll have to cut a little above that. I guess use some tube cutters to properly do this, but I'm unsure if I will have enough space to use them. Maybe go buy a small one or buy some pipe cutters? Any suggestions?
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Unread 09-18-2012, 07:16 PM   #8
jbolty
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Get a close quarters tube cutter

.

Where does the other end of the hard line go? You can probably take the whole thing out in one piece if you cut the rotted part; clamp that off with a vice grip.
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Unread 09-18-2012, 08:06 PM   #9
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Looks like that would work! The other end of the hard line goes towards the front of the engine then goes into hard plastic lines that then go up to the fuel rails.
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Unread 09-19-2012, 12:24 AM   #10
Hard_oNe
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I used a small tube cutter like the one Jbolty posted. The only method to removing crimped gas lines is to cut that mutha off.

Here is a pic of mine:


When replacing the high pressure fuel line, I recommend that you kink the end of the cut line a bit so the rubber hose doesn't slip off from the pressure. Borrow or buy a flare tool from your local auto parts store would do.

Video help:

As a safety precaution, always have a fire extinguisher next to you when working on gas lines.

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Unread 09-19-2012, 12:29 AM   #11
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Quote:
Originally Posted by Hard_oNe View Post
I used a small tube cutter like the one Jbolty posted. The only method to removing crimped gas lines is to cut that mutha off.
When replacing the high pressure fuel line, I recommend that you kink the end of the cut line a bit so the rubber hose doesn't slip off from the pressure. Borrow or buy a flare tool from your local auto parts store would do.

As a safety precaution, always have a fire extinguisher next to you when working on gas lines.

If I remember correctly the fuel line at the top of the engine has a ridge where the hose snaps onto. Not so sure about the bottom but if you have to cut the metal line, definitely flare that sucker before you put the hose on it. Those lines run in close proximity to your exhaust and if you spring a leak you'll be having Jeep BBQ for dinner.

I changed the rear lines out on my '95 and used quality fuel injection hose with fuel inject hose clamps and I never had a problem with it. Just get the right parts and take your time fixing it properly.
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