How to: - 1st Gen Gas Tank Fuel Pump Access Panel | Page 4 | Ford Explorer Forums - Serious Explorations

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How to: 1st Gen Gas Tank Fuel Pump Access Panel

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Ok the air chisel idea worked great for me here. I was able to replace the assembly with little problems. I do have a question though on the destinations of the two wire plugs which are part of the pump assembly wiring loom.

In the photo posted by others above, I had a similar wiring loom with one plug going to a connector in the frame rail which powers the pump and float, and the second going to some connection which seems to go into the tank on the passenger side of the top of the fuel tank. Have very limited view or feel in that area so I cant tell what it is

Any idea what that second wiring connector does? Cant seem to find it in any of my wiring books

By the way its a 96 4 door with a 4.0
 



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What year/model are you working on? I don't know of any other harness entering the fuel tank other than the fuel pump connector. I've worked extensively on my fuel system and it's a 1st gen 1993 Sport.
 






I just replaced the fuel pump on my 94 about a month ago. The gas gauge wasn't working when I bought it. I used a Dremel to cut the access panel so it took forever but it made a pretty clean cut. The only problem was that the disk wasn't wide enough to reach the second layer of metal so some additional bending was required. Then I was able to wiggle the whole unit out.

holeInFloor.JPG


I straightened some small angle irons and bolted them to either side from underneath.
angles.JPG


To seal it, I just used some duct tape. It sealed up perfectly and I don't get any fumes leaking into the cabin.
floorSealed.JPG


I'm never dropping a tank again!
 






Here are a few more pictures of the process. I had to cut mine because the fuel float was cracked and needed to be replaced. Soldering the float isn't easy. If you have a big crack in it, the solder will just fall right through as you move along... If you solder correctly. Don't use epoxy: the gas will eat right through it.


This is on a two door 1993 model.
The fuel lines are 3/8" and 5/16". You can buy the combination tool for about $8 at Auto Zone. Don't even bother with the plastic tools. They are a waste of time and money for most fuel line work, even the kind with the longer sleeves. You can expect the fuel line tines to be stuck.. Don't be afraid to work the coupling up and down while you're using the tool. Put some linear mojo on 'em.


I found some 18-ga or so stainless steel for a patch and used the bandsaw at work to cut it. I cut it 10"x11", which left about two inches of overlap to fasten it down. So far all I've done is drilled a hole for the small non-seat-holding stud, threaded the nut tightly onto it, and speed taped all around the patch. I plan on using a combination of rivets and self-drilling screws to hold it in place permanently. Oh and some black RTV underneath.

All I did to access the pump, by the way, was drill a 3/8" hole off to one side and then cut an H-shape with some aviation tin snips. I just curled the metal back to access the pump, and when I was done, I curled the metal right back in place. Used some 16" channel locks and a ball pein both times.


Anyone wanting more pics can just post asking for them and I'll get em posted up.

First is the far view:

IMG_9396_rsz.jpg



Next the inside view where you'll be working:
IMG_9403_rsz.jpg



Here are the nuts you need to remove:

IMG_9409_rsz.jpg


Seat unbolted and out of the way - both seats need to be unbolted, because there's a piece of black plastic underneath the seats bolted down on either side. Don't have any idea what it does. I left mine out.

IMG_9411_rsz.jpg


Far view:


IMG_9412_rsz.jpg


Up close:

IMG_9413_rsz.jpg
 






I have a 96 explorer xlt 4 door, and this thread has been very helpful so far. i was about to junk my explorer instead of having to drop the tank. My question is, what special tools will I need to remove fuel pump from tank, fuel lines from pump and filter??
 






You will need a Ford fuel line removal tool. Most auto parts stores should have them on the shelf. I got mine for under $10 and it looks like this
http://www.frontiernet.net/~slray96/04F250/FuelFilter/DisconnectTool-01.JPG

At first I tried to remove the lines using a generic set of fuel line removal rings, essentially plastic rings that mimic the ends of the above tool, but found there wasn't one that fit the larger line. Other than that, you'll probably just need a flat head screw driver and a hitter to free the lock ring IIRC. Then the pump should wiggle right out. Hope this helps!
 






Just got done replacing fuel pump and filter, thanks to everyone who posted here. It was "easy" after getting all the info beforehand. I just want to share some of my experience here, sorry I did not take any pics.
(1996 Explorer XLT 4 door 4.0l v6)

1) Took advice here and bought air hammer with set of 8 chisels from Harbor Freight for $12.99 (they actually have a plastic one for $2.59 on their website but it wasn't at my store, and others for $9.99. I guess the one I got was their deluxe model!). The "V" shaped chisel worked best for cutting through the floor panel.
2) Bought 4 piece aluminum fuel line disconnect set 96834-2VGA from Harbor Freight for $12.99 to get fuel lines off of filter and pump. I needed the 5/16" and 3/8".
3) Rented air compressor for 4 hours from Home Depot for $20.00.
4) Bought fuel pump E2059MN and in line Motorcraft filter FG872 from Advance Auto Parts ($138.00+$12.99) {Same prices and products as Autozone}
5) Air chisel worked great on floor boards, but there is some underlying bracing underneath that it would not cut thru easily or at all that was in the way, especially towards the passenger side seat. But I was able to wiggle the pump assembly out without cutting it anyway. I also had to wait for the small compressor to refill after only a few seconds of work.
6) Couldn't figure out how to get the harness off the top of the fuel assembly where the 6 bolts are (mine was the long one with 4 wires coming out, not round), but finally realized there are 2 other harness plugs close by that you can find by following the wires, you can disconnect them to get the assembly out. They were not especially easy to get to though, especially the one attached to the top of the tank.
7) Make sure you have a crimp tool/wire stripper as the new pump has butt connectors and has to be spliced to the old wires. I couldn't find mine and had to go to the store again.
8) My neighbor had some leftover galvanized steel roll which I cut with snips to cover the hole. I had some "tar tape" that I used to use to seal satellite dishes to shingles. I lined the hole with that and used self tapping screws to attach the cover. It did the job but it didn't seal as good as I hoped as some of the screws wouldn't go through the double metal. I just put more sealer on the top afterwards and it should be fine.
9) Oh on my 4.0l v6 the fuel schrader valve is on the passenger side of the engine just in front of the distributor cap.
10) When I changed the filter some fuel spilled out but it wasn't too bad, just have a container to catch it, it is under the driver's side door frame rail.
11) Lastly the seal (o-ring) that seals the pump assembly to the tank was intact and did not match any of the new seals that came with the pump, so I just used the old one.

Well, that's it. Overall it worked out, I would not have done it if I had to drop the fuel tank. So for a little over $200 it was worth it. If anyone has any questions my email is kevinmurphy4u@comcast.net

Thanks again all.
 






This thread was very helpful to me in fixing my truck. I have a 98 explorer sport. I followed all the recommendations above. I cut 3 sides of the sheet metal and folded it open. I then lined the hole with thick tape to keep from getting accidentally cut. A friend loaned me a plastic coupler removal tool and that did not work at all. I had to ran out and buy the metal tools. I should have followed the tips above instead of messing with the plastic tools. The plastic piece that goes underneat the seat is a rear seat cushion support. You will want to keep this part on if you have a lot of passengers that ride in the back. With the new part put back in my truck fired right up even with temps in the teens.

DSCN4401.jpg


DSCN4400.jpg
 






Hey guys, I'm looking to do this repair today. I was wondering how exactly the lower part of the seat was removed. Also, with the new pump, is that easily wired into the existing unit? Any help would be great guys....
 






Hey guys, I'm looking to do this repair today. I was wondering how exactly the lower part of the seat was removed. Also, with the new pump, is that easily wired into the existing unit? Any help would be great guys....

nhill, are are pictures on this thread on how to remove the seats for the 2 door version (keep scrolling up). There are only 2 nuts holding it. Basically remove those nuts and just flip the seats over into the trunk area (dont have to remove them completely). As far as the fuel pump unit, the one I bought had a connector included in the package - no wire splicing required. The hardest part of the whole job was removing the fuel couplings.
 












sweet idea i willl be doing this once mine goes out.
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Just use this tread to change my pump as week. Freakin Awesome.
 






I want to do this with my Aerostar, I seen someone used an air hammer? Will an electric Hammer work as well? I have no air compressor. Did you use cold chisel? Was there alot of spark?

Thanx in advance,

Ben :)
 






I want to do this with my Aerostar, I seen someone used an air hammer? Will an electric Hammer work as well? I have no air compressor. Did you use cold chisel? Was there alot of spark?

Thanx in advance,

Ben :)

At first i used a dremmel tool, but that was taking to long. So I just used a cut off wheel. With the cut off wheel there was a lot of sparks. You can use anything that cuts as long as it don't go to deep on the side where the fuel lines are. What gen ex do you have. I hope this helped. if not pm me.
 






At first i used a dremmel tool, but that was taking to long. So I just used a cut off wheel. With the cut off wheel there was a lot of sparks. You can use anything that cuts as long as it don't go to deep on the side where the fuel lines are. What gen ex do you have. I hope this helped. if not pm me.

I'm actually doing this to my Aerostar Van, since no one has actually done it on this forum I was gonna post a tutorial on how I do it. So I was directed to this thread to get some ideas. :)

Best kind of tools to use etc...
 






I'm going to be doing this soon. I have 1995 4 door. Any idea if the fuel pump assembly will be the type with the bolts or the retaining ring? Either way it's not going to be fun since this truck spent birth thru 2004 in Buffalo NY and is covered in rust, which incidentally is why I am chopping an access hole instead of dropping the tank.
 






Just got done doing this to my 91. I bought a spare fuel pump for my trail box so doing this mod will make it much easier to replace once I have to.

I have a 1" body lift which made it pretty easy to cut. I used a step drill bit to drill holes in all the corners then a jig saw to cut out the pannel. There was just enough clearence between the blade and hoses because of my body lift.

I got a little fancy and used a bead roller to match the bead in the floor and added a few extras to strengthen it up. Put on some weatherstripping and bolted it down with those slip on threaded clips (like the t-case skidplate uses).
 

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That right there looks great. I need to work on mine a little more to make it look better.


Yours looks great
 






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