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post #1 of (permalink) Old 06-01-2002, 09:55 PM Thread Starter
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dropped the gas tank, now wont start

I did some frame repair and dropped the tank. I installed it correctly I thought and she ran for a minute or two and stopped. Now Im not getting any fuel pressure. There are 4 lines that run to the tank. 1 on the drivers side, 2 to the sending unite screw thing, and 1 on the passengers side. Can anyone identify these for me?

I cant see what I did wrong. Im not a newbie by far, but even us seasoned people slip a bit

I have a CJ with the 20 gal tank.

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post #2 of (permalink) Old 06-01-2002, 10:29 PM
 
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post #3 of (permalink) Old 06-01-2002, 10:36 PM
 
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Re: dropped the gas tank, now wont start

I don't know how much help this is, but the left one goes to the line on the right side of the frame.
I can't tell you much more than that because I have a different fuel pump than you and I'm not sure which one is the return line and which one is the sending line.
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post #4 of (permalink) Old 06-01-2002, 10:40 PM
 
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Re: dropped the gas tank, now wont start

It would really help if you could tell us what year it was too [img]images/icons/smile.gif[/img]
This is from a 1982 cj7

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post #5 of (permalink) Old 06-01-2002, 10:41 PM
 
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Re: dropped the gas tank, now wont start

haha I feel like I am spamming your post.
One last question..
Did you hook it up to the charcoal cannister or block it off?
If you don't have a vented gas cap or a way for the fuel to vent, I believe it will do what you are mentioning(what I have heard for people before)
And are you sure you aren't out of gas [img]images/icons/laugh.gif[/img]
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post #6 of (permalink) Old 06-02-2002, 05:17 AM Thread Starter
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Re: dropped the gas tank, now wont start

I put gas back into the tank, it does have fuel.

Sorry , I have an 84 CJ

I have the right hose blocked off, had it that way for years. I thought that I might have the two lines together mixed up, but one is a larger line than the other, and the tubes are different sizes also. Cant screw it up I say. I will go back when the rain stops and see that it is correct

Im starting to think things like fuel pump
Maybe Ill try a can of fuel with the pick up hose in it and see if I get pressure then

Chu
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post #7 of (permalink) Old 06-02-2002, 06:21 AM
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Re: dropped the gas tank, now wont start

When I replaced my tank I had the same sort of thing happen. Turned out to be crud in the pump from banging the lines etc around. I replaced the pump and put a fuel filter just before the pump to avoid it happening again.

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post #8 of (permalink) Old 06-02-2002, 06:51 AM
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Re: dropped the gas tank, now wont start

i know this is not the same scenario but i just did a valve lifter job and disconnected the fuel line at the pump. i also disconnected the two lines coming out of the filter to the carb. i also replaced the rubber lines on the drivers side near the engine where the steel lines from the tank transition from rubber to steel at the engine.

when i put everything back together it only ran for a few minutes and died. i looked down the carb and pumped throttle- no fuel. i got a little out of the filter and primed carb. started up and ran till that gas was gone. primed again a couple times and it finally took. now it runs normal again. during this fiasco my brand new plugs got fouled bigtime with powdery black smoot.

good luck
post #9 of (permalink) Old 06-02-2002, 11:32 AM Thread Starter
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Re: dropped the gas tank, now wont start

Alright, I found that I can suck air throught the fuel line. I started at the fuel pump. No gas, lots of air. I will go back to the tank and see if I have a bad hose where the solid line meets the rubber hose. Has anyone run rubber hose all the way back from fuel pump to the tank? Is there a problem with this???
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post #10 of (permalink) Old 06-02-2002, 11:43 AM
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Re: dropped the gas tank, now wont start

It's not as much a problem as it is in the "not as long lived" dept. If you do this I would recomend using a HIGH quality fuel hose. I think goodyear makes a real thick blue one.
I have a couple more questions........
Did you put more than a couple gallons of gas back in? (it sometimes takes 3 or more to get to the fuel pick up tube)
And also, check your steel lines for rust holes. When you removed the tank you might have disturbed them causing a leak. I've seen this happen more times than not.
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