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Topic: How To: Rubber Fuel Line and Fuel Pump Replacement

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How To: Rubber Fuel Line and Fuel Pump Replacement

So, my XJ has been suffering from a fuel leak where the rubber tank-to-filter line meets the fuel pump on the tank.


First, get some tools and parts together.  A couple screwdrivers, some zip ties, a source of light, and a utility knife.

As for parts, I like to buy American so with a little searching I got some high pressure rubber line that's 3/8" ID (four feet) and some hose clamps all made here on the home front.


And here's a look at the belly of the Jeep we'll be working on.  Note rusty hose clamp.


Here's the other end of the fuel line, the fuel filter.  I used a short length to connect the filter to hard line as I had to cut the old rubber line since that clamp was totally gone.  The little stub wasn't long enough and resulted in leaks.  The new one I cut was longer than needed, but works well.


After effort and magic words failed to help, I ended up reaching for the dremel tool.  Some careful cutting removed the clamp without cutting through the line and therefore letting fumes out around a running power tool.  That would not be safe!


Well, after pulling the old rubber line off, I'm not attaching the new line to this.  Time for a new fuel pump.  It works well, but the corossion is pretty bad on it, especially on the nipple where the fuel hose connects.

...another pic of the same...


From here I stuck the old fuel line on the broken/corroded nipple, to prevent fuel contamination.  Well, now I'm waiting for a fuel pump.  Updates to come.

-- Edited by ChevelleSSLS6 at 13:59, 2009-01-07

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My Fleet
1996 XJ "Snowball"- 3.5" lift, bunch of little mods.  I hate pegleg rear axles!
1974 AMC Javelin "Jade Grenade"- 360v8, 4sp, green inside and out. Underfunded Project.
2009 Kawsaki Vulan 900 "Rocket III"- Summer DD

Joe
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cool..thanks for the great up close pics...just curious what is the typical lifetime on an original fuel pump...mine is a 2001 with 144k...should I replace?...will the fuel pump give me symptoms before it totally fails?

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Sometimes they gradually go or they just GO.....its not a bad idea to put a new pump in...that's just called preventative maintenance and piece of mind...

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No one should drive a stock 4X4
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Photography, writing, and of course turning wrenches are hobbies of mine.  Not a problem.

Judging by looks mine is original. 206k miles.

If it's rusted up and all like mine is, I'd replace it out of spite. It's a lot less pricey if you make friends with a shop that'll let you get a commercial discount at Napa.

-- Edited by ChevelleSSLS6 at 00:37, 2009-01-08

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My Fleet
1996 XJ "Snowball"- 3.5" lift, bunch of little mods.  I hate pegleg rear axles!
1974 AMC Javelin "Jade Grenade"- 360v8, 4sp, green inside and out. Underfunded Project.
2009 Kawsaki Vulan 900 "Rocket III"- Summer DD

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Date:
Not sure why I posted my hobbies...confuse drunk posting?  I don't drink much, but I'm a lightweight.

On topic now kids- Here's pics and what I did since previous post.
1. disconnect fuel line and pump wiring connector.

2. Take dremel tool and cut fuel tank straps, with fuel tank supported.
https://i50.photobucket.com/albums/f303/ChevelleSSLS6/Car%20Stuff/4e1a6222.jpg

lower it gently and remove fueling and tank vent lines...
https://i50.photobucket.com/albums/f303/ChevelleSSLS6/Car%20Stuff/c0c2486a.jpg

lower tank the rest of the way and remove small vent lines...
https://i50.photobucket.com/albums/f303/ChevelleSSLS6/Car%20Stuff/4e889f4c.jpg
https://i50.photobucket.com/albums/f303/ChevelleSSLS6/Car%20Stuff/1d709081.jpg

3. Remove old fuel pump...
https://i50.photobucket.com/albums/f303/ChevelleSSLS6/Car%20Stuff/0887c1e1.jpg

4. I did GoJeep's fuel tank mod, so you can put more fuel into the stock tank.  I took a 1/2" copper elbow and a 'water hammer reducer' and cut and JB welded to fit.  This is optional.
https://i50.photobucket.com/albums/f303/ChevelleSSLS6/Car%20Stuff/d14e45eb.jpg
https://i50.photobucket.com/albums/f303/ChevelleSSLS6/Car%20Stuff/d426d2c2.jpg

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My Fleet
1996 XJ "Snowball"- 3.5" lift, bunch of little mods.  I hate pegleg rear axles!
1974 AMC Javelin "Jade Grenade"- 360v8, 4sp, green inside and out. Underfunded Project.
2009 Kawsaki Vulan 900 "Rocket III"- Summer DD

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5. Install sock filter on 'new' pump (this is a 96 so it's junkyard pumps only)...
I had to disconnect this small black line to get it back together, then the line reconnected just fine.
https://i50.photobucket.com/albums/f303/ChevelleSSLS6/Car%20Stuff/7e942d5f.jpg
https://i50.photobucket.com/albums/f303/ChevelleSSLS6/Car%20Stuff/2431fc61.jpg

6. Install pump in tank with new gasket (and lock ring if you desire)
https://i50.photobucket.com/albums/f303/ChevelleSSLS6/Car%20Stuff/1fbc5842.jpg

7. Position tank and install new tank straps.  Lift a little, connect small vent lines, lift some more and curse a lot as you wrestle fuel hoses on rear side of tank.  Secure those with new clamps.
https://i50.photobucket.com/albums/f303/ChevelleSSLS6/Car%20Stuff/dc6dc24b.jpg

8. Using high pressure fuel line (fuel injection hose) go from fuel filter to fuel pump.  You'll need 2 feet, or just a little more to be safe.  Also reconnect fuel pump electronics.  I wrecked my locks so I had to rig it by linking small zip ties.  I 'squeezed' the sides first, then tightened it down to hold them together so I didn't end up with a goofy circle that would be less secure.  Trim stray ends with sidecutter pliers.  I plan on getting some wire loom protector for the fuel line to protect it from chafing on the zip ties.
https://i50.photobucket.com/albums/f303/ChevelleSSLS6/Car%20Stuff/6cd67749.jpg
https://i50.photobucket.com/albums/f303/ChevelleSSLS6/Car%20Stuff/175f4461.jpg


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My Fleet
1996 XJ "Snowball"- 3.5" lift, bunch of little mods.  I hate pegleg rear axles!
1974 AMC Javelin "Jade Grenade"- 360v8, 4sp, green inside and out. Underfunded Project.
2009 Kawsaki Vulan 900 "Rocket III"- Summer DD

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We are now in the process of changing out the old 89 metal tank to the 99 poly tank, we have found that the old 3 wire set up isnt going to work and the new tank has a 4 wire with plug, now my question, which is better the poly or the metal tank, Add a skid plate .

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I havea skid plate... getting it sandblasted and will repaint before next wheeling trip.

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My Fleet
1996 XJ "Snowball"- 3.5" lift, bunch of little mods.  I hate pegleg rear axles!
1974 AMC Javelin "Jade Grenade"- 360v8, 4sp, green inside and out. Underfunded Project.
2009 Kawsaki Vulan 900 "Rocket III"- Summer DD

 
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