Do i have to drop the gas tank for fuel pump? - JeepForum.com
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post #1 of 16 Old 07-23-2009, 05:51 PM Thread Starter
xj287
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Do i have to drop the gas tank for fuel pump?

Ok so my fuel pump went yesterday i had another out of a 1992 xj not sure if it will work but i was wondering do i have to drop the tank?? and whats the steps to do this thank you travis of mine is a 1994 xj


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post #2 of 16 Old 07-23-2009, 05:57 PM
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take a look under your Jeep, I know my 90 had an access plate that screwed off the front of the tank for the pump removal, it was a metal tank. it is in the middle of the upper half of the tank in the front. I am not sure by the year, but go take a look and you will know for sure.
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post #3 of 16 Old 07-23-2009, 06:15 PM
ehall
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You have to drop the tank a little bit to get at the pump. Crawl up under it and find the two long J-bolts that hold the front of the straps to the "subframe" and run the nuts down. Once it's low you will need to unplug the fuel pump electronics, and then use something like a small piece of very hard wood or a brass punch (something that will NOT make a spark) to knock the o-ring clamp loose. Once that's free unplug the hoses and pull the pump out.

It's a lot easier to do this if you can remove the tank completely
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post #4 of 16 Old 07-23-2009, 06:29 PM
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Quote:
Originally Posted by ehall View Post
You have to drop the tank a little bit to get at the pump. Crawl up under it and find the two long J-bolts that hold the front of the straps to the "subframe" and run the nuts down. Once it's low you will need to unplug the fuel pump electronics, and then use something like a small piece of very hard wood or a brass punch (something that will NOT make a spark) to knock the o-ring clamp loose. Once that's free unplug the hoses and pull the pump out.

It's a lot easier to do this if you can remove the tank completely
I was able to do mine if it is the steel one with the access door on the front without moving the tank anywhere, and it was not hard to do.. honestly all the rest is right, but if it is like my old one, totally unecessary to lower it, there is enough room.. IMHO
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post #5 of 16 Old 07-23-2009, 06:35 PM
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On my 95' I'v had the unit out without lowering it at all.

Remember to use a BRASS drift to remove the lock ring to avoid any sparks.

Sparks+gastank=bad day

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post #6 of 16 Old 07-23-2009, 07:34 PM Thread Starter
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THANKS guys for all the advice! i will try it without lowering it if that doesnt work i'll lower it lol and how hard is it to get the ring loose!

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post #7 of 16 Old 07-23-2009, 07:41 PM
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not hard at all. a peck or two is all it takes.

Make sure you get the O-ring aligned correctly or you will have a MAJOR gas leak

95' XJ Country - Stock Skids - D30/D35 Limited Slip - 3" Lift - 31x10.50R15 - 4.0 HO - AX15 - NP231

98' XJ Classic - D30/C8.25 - 4.5" RC Lift - 33x12.50R15 - 4.0 HO - AW4 - NP231
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post #8 of 16 Old 07-24-2009, 08:00 PM
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also buy a good pump I replaced my checker pump 3 times before I got a good pump I got pretty fast at the job but once is better

thanks swells
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post #9 of 16 Old 07-24-2009, 08:08 PM
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When I worked at advance I refused to buy a pump even tho I would get 20% off

My main reason was the amount that I had to warranty......at least 1 a week

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98' XJ Classic - D30/C8.25 - 4.5" RC Lift - 33x12.50R15 - 4.0 HO - AW4 - NP231
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post #10 of 16 Old 07-24-2009, 11:05 PM
swells
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the first time I dropped the tank I found alot of junk and dirt in the tank so It was good to clean it out

thanks swells
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post #11 of 16 Old 01-08-2016, 10:28 AM
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Xj Fuel Pump out Again....

My '87 Pioneer just had the fuel pump quit again. This will be the 3rd time since I bought it that I will be replacing the fuel pump. I've had it 1.5 yrs. This time, I am fairly sure fuel pump fried, as I heard a very loud noise...(like a diesel on Jake brakes), followed by...it quit. There is no sound when I turn the key. I have been reading here that I may not need to drop the tank, and may be able to access pump from in front of the tank. But, do I need to replace fuel pump with Factory part, to have it not keep going out? Or what may be leading to pump failure? I am sure original (new) Jeeps did not need fuel pumps replaced every 3,000 miles! If a fuel line has air that it can suck, will that lead to pump failure: does it need to be a sealed system? The tank is new, as we replaced that after pump went out the first time.

Please move this post to proper location if I am in the incorrect location for all of these questions.
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post #12 of 16 Old 01-08-2016, 09:08 PM
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No, you shouldn't have to drop the tank to replace the pump. Most likely, the problem you are having with the pump is garbage parts. A company called "Airtex" is making quite a few of the aftermarket fuel pumps out there these days, and they are garbage. Period. I really don't understand how they are still in business. The really bad thing is that they are making them for other companies, as well, so it is hard to tell who actually makes what pump anymore. Bottom line, don't try to save money on a fuel pump. Go ahead, bite the bullet, and spend the extra money for a good one. Bosch has one of the best reputations around for fuel pumps.

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post #13 of 16 Old 01-10-2016, 08:04 AM
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No drop needed.
Use Bosch pumps only.

Good time to do this:

http://cruiser54.com/?p=249

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post #14 of 16 Old 01-11-2016, 11:26 AM
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Quote:
Originally Posted by KF4SQB View Post
No, you shouldn't have to drop the tank to replace the pump. Most likely, the problem you are having with the pump is garbage parts. A company called "Airtex" is making quite a few of the aftermarket fuel pumps out there these days, and they are garbage. Period. I really don't understand how they are still in business. The really bad thing is that they are making them for other companies, as well, so it is hard to tell who actually makes what pump anymore. Bottom line, don't try to save money on a fuel pump. Go ahead, bite the bullet, and spend the extra money for a good one. Bosch has one of the best reputations around for fuel pumps.
It is a Bosch in there now, I 'bought the bullet' last time... in July of 2014. Is there any BETTER fuel pump? This one periodically 'howled" or whined, and this is the third time. (This pump will be my third since July, 2014.) I will admit, though, my first one was Precision.

Is there any possible cause of continued need to replace the fuel pump? Air to tank someplace, electrical surge greater than or less than it should be? Replaced the tank when the first one went, it was full of some kind of thick, gooey, black stuff as was the pump. So, tank is new.

I would expect a fuel pump to last longer than 1.5 years, I'd think...

Hmmmmm.. thoughts appreciated...
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post #15 of 16 Old 01-11-2016, 12:06 PM
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This may be a stupid question, but have you tried to put power to the pump manually to ensure its the pump and not electrical? My 89 had low miles and had many electrical gremlins. I believe they have a red wire with a female spade connector located under the hood for just such a test. Usually on driver side fender near firewall poking out of the loom.

That picture is NOT from a cherokee but the wire should look the same.

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