01 Grand Cherokee fuel pump replacement - JeepForum.com

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post #1 of 19 Old 08-22-2006, 05:32 AM Thread Starter
rkreger2
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01 Grand Cherokee fuel pump replacement

I had to replace my fuel pump in my 01 GC this past week. I debated on dropping the tank or just cutting a hole in the body. I decided to cut a hole in the body. I am so glad I did. It was VERY easy and the fuel pump came out in no time. I was very worried about removing my aftermarket trailer hitch and stock skid plate. The bolts were a bit rusty. The fuel pump is located under the spare tire tub so you'll never know. I drilled a hole on the right hand side where the body "bubbles up" into the spare tire. You can see the fuel pump from underneath to just where to cut first. I had it out within an hour, didn't drain the half tank of gas and was good to go. I RVT'd a plate over the hole and painted it black when i was done and it just looks like it is suppose to be there.

I would recommend changing the fuel pump this way. If you want to you could do the whole external fuel pump very easily.

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post #2 of 19 Old 08-22-2006, 05:39 AM
greasefingers
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Good job! What did you use to cut the hole a jigsaw? How much space is there between the floor and the pump?

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post #3 of 19 Old 08-22-2006, 07:55 AM
Blake
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I've done something similar in an XJ. There was no way I was about to try to benchpress a tank that had about 14 gallons of gas in it.

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post #4 of 19 Old 08-22-2006, 10:11 AM Thread Starter
rkreger2
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In the center "bubbled up" area where I cut my exploration hole there is about 3" of clearance. As you go out away from the center of the spare tire tub it goes down to about 1" of clearance.

I drilled a 1" hole first in the area where there is 3" of clearance. I then took the hole saw and made several cut around the fuel pump. The hole saw was very controllable as far as break through clearance. Once I found out how much clearance I had and how the lines were run I used a air powered nibbler I borrowed from our fab shop at work. It worked great. It cut through like butter and made a nice straight cut. I then took a piece of aluminum plate and cut it to fit around the jack holder and bent it with a mallet to the shape of the tub. I painted it black, put some RVT down and stuck it back in place. I still haven't told the wife I cut into her Jeep (she was dead set against it) but she sure is happy to have it running again. I did it while she was at work
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post #5 of 19 Old 08-22-2006, 11:20 AM
AgitatedPancake
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i'm all too aquainted with how to drop the tank on my 01 already lol...its only like 6 or 8 bolts...not half bad.

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post #6 of 19 Old 10-21-2009, 05:18 PM
thisguyhasadd2
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hey rkreger would you mind taking a picture of that hole?
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post #7 of 19 Old 10-21-2009, 05:52 PM
cmonson
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Ya, I would love to see a pic. I did this same thing on my 97 saab 900. I made a really well thought out access cover for any future fuel pump related issue. Made changing the pump the next time a 20 min job.

Fact of the matter, is if you make a high quality access cover and not some hack job, this is a fine way to go about it.

Just be careful cutting above a gas tank. There is a known issue of vapor leaks from the 0-ring at the top of the pump. Jeep even has a TSB for this. Sparks plus fuel vapors can = death of you or the Jeep or both.
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post #8 of 19 Old 10-23-2009, 09:25 AM
thisguyhasadd2
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great point cmonson specially since if your replacing it you know its faulty or susceptible of leaks.. whats the easiest to cut that hole?
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post #9 of 19 Old 10-23-2009, 10:42 AM
CanadianZed-J
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Quote:
Originally Posted by rkreger2 View Post
...I still haven't told the wife I cut into her Jeep (she was dead set against it)

I've been given "attitude" like that before from the wife. Quickest way to end it is to hand her the keys, point to where you keep your tools and tell her she can do it whatever way she wants. Suddenly your idea isn't so bad.


Quote:
Originally Posted by cmonson View Post
...Just be careful cutting above a gas tank...
I'll suggest not cutting with an angle grinder.




I'd also like to see this pic.


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post #10 of 19 Old 10-24-2009, 08:16 AM
cmonson
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did you ever take a pic?
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post #11 of 19 Old 06-09-2013, 08:41 PM
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pics
Attached Thumbnails
130608_0000.jpg   130608_0003.jpg  


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post #12 of 19 Old 06-05-2014, 11:04 PM
Justindbrooks92
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For future reference for everyone searching how to do this.. I've been a mechanic 8 years now.. And this thread was amazing made it so easy.. Cut the hole in the spare tire compartment.. It way worth it
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post #13 of 19 Old 06-06-2014, 04:52 PM
dusterdude
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I appreciate that cutting a hole is the easy way to change the pump but consider this,this jeep is an 01,its 13 years old,if you have to chamge the pump every 13 years,whats the big deal in cbanging it properly?
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post #14 of 19 Old 06-07-2014, 08:08 AM
waynzwld
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I was told by a mechanic that MoPar fuel pumps tend to overheat if you let the
fuel get below 1/4 tank, shortening their life.
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post #15 of 19 Old 06-08-2014, 12:29 AM
AVR2
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Sounds like an old wives' tale. My 2005 KJ is still on its original fuel pump, and we regularly let it get below 1/4 tank.
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