Fuel Pump write up with pictures
I found a few write ups but none with pics so here it is
Disconnect your battery. Then the fuel pump access door is behind the Driver on a USDM spec FD. Lift up the carpet and you'll see it. If you have a Bose stereo system you'll probably have to remove it. There should be 4 screws holding the door down. http://i23.photobucket.com/albums/b3...uelpump001.jpg Lift up the fuel door and unclip the wiring harness http://i23.photobucket.com/albums/b3...uelpump002.jpg You can either unclip the ground or unscrew it i went with unscrewing it. http://i23.photobucket.com/albums/b3...uelpump003.jpg Set the door off to the side and unscrew the fuel line connectors http://i23.photobucket.com/albums/b3...uelpump004.jpg Clean off the area for obvious reasons http://i23.photobucket.com/albums/b3...uelpump006.jpg Take all the screws out of the fuel hatch http://i23.photobucket.com/albums/b3...uelpump007.jpg You'll need to push the 2 fuel lines out of the way. The line on the right hooks into a clip i found it easier to pull the line of the clip so you get more play in the line http://i23.photobucket.com/albums/b3...uelpump005.jpg Lift out SLOWLY as to not hook the float on anything http://i23.photobucket.com/albums/b3...uelpump009.jpg Remove the screw on the back of the rack, mine was extremely tight http://i23.photobucket.com/albums/b3...uelpump012.jpg The + and - wires are different sizes so you can't really screw that up but hey maybe you can. I left 1 wire on just to make sure i didn't http://i23.photobucket.com/albums/b3...uelpump013.jpg With the new fuel pump make sure and hook up the fuel bag thing by pressing on the washer http://i23.photobucket.com/albums/b3...uelpump011.jpg Put the spacer and O-ring in the fuel neck http://i23.photobucket.com/albums/b3...uelpump020.jpg |
Put the fuel pump space and cover on the fuel pump
http://i23.photobucket.com/albums/b3...uelpump017.jpg http://i23.photobucket.com/albums/b3...uelpump022.jpg http://i23.photobucket.com/albums/b3...uelpump018.jpg Tadaaa http://i23.photobucket.com/albums/b3...uelpump019.jpg Put it all back in the car and start her up. I let my car idle for quite a while to make sure there was no air in the fuel lines. Please add in anything i might have forgotten. |
I like it!
Good write up |
Great write-up. Thanks for going to the trouble. Good point on cleaning the area around the hoses and hatch before removal.
My only comment would be to make sure you also get a new screen ("fuel bag thing"). I assume the FD is like a couple of other cars I've had this experience with, where the screen is purchased separately. Personaly I wouldn't install a new pump without a new screen...especially since they're usually less than $10. |
Excellent write up. Should go into the tech archives as a sticky.
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This write-up was extremely helpful!
I used the procedure here to replace my fuel pump today and now my FD running again! Nothing was unexpected, I really can't thank you enough for the time you spent to post this. |
nice work. +2 for sticky status
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so , this is for replacing your stock FP with an aftermarket?
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yes, couldnt you tell? stock one was piss yellow and the new one is silver?
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Originally Posted by FlyFD
(Post 9610160)
This write-up was extremely helpful!
I used the procedure here to replace my fuel pump today and now my FD running again! Nothing was unexpected, I really can't thank you enough for the time you spent to post this.
Originally Posted by spekdah
(Post 9610816)
so , this is for replacing your stock FP with an aftermarket?
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awesome writeup, pictures speak a thousand words
did you also rewire the fuel pump mod? |
Originally Posted by tt7hvn
(Post 9617153)
awesome writeup, pictures speak a thousand words
did you also rewire the fuel pump mod? |
^ i know how that is
did you notice any difference? |
Originally Posted by Force13B
(Post 9617165)
I did but later on when i had my haltech installed. Didn't think to take pics of that had to many other wires running around.
Originally Posted by tt7hvn
(Post 9617153)
awesome writeup, pictures speak a thousand words
did you also rewire the fuel pump mod? here was my thread https://www.rx7club.com/3rd-generation-specific-1993-2002-16/requestin-pictures-fuel-pump-rewire-870523/ |
Originally Posted by tt7hvn
(Post 9617295)
^ i know how that is
did you notice any difference?
Originally Posted by FD3S2005
(Post 9619907)
yea i have wires going crazy because of my AI system, last thing i wanted was more wires running around, so i kept all the wires under the fuel pump cover (not in the tank)
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i went with a cooling mist unit, i think if i could go again i would go with aquamist, they seem to make the unit alot smaller, so you can hide it lol.. i got the one with the gauge, its good to have i guess, tells me either boost/what % the pump is pushing/volt/ or flow rate if i had that thing for it.
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Originally Posted by FD3S2005
(Post 9620131)
i went with a cooling mist unit, i think if i could go again i would go with aquamist, they seem to make the unit alot smaller, so you can hide it lol.. i got the one with the gauge, its good to have i guess, tells me either boost/what % the pump is pushing/volt/ or flow rate if i had that thing for it.
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Bump from the dead.... But is there a writeup anywhere with functioning pictures?
Attempting fuel pump replacement somewhere next week, and really could use the help. Thanks :-) |
these should somewhat help.
https://www.rx7club.com/showthread.p...upra+fuel+pump https://www.rx7club.com/3rd-generation-specific-1993-2002-16/why-everyone-should-rewire-their-fuel-pump-847009/ its a pretty straight forward install. |
Thanks for the links. It's becoming a littlebit clearer now.
From the looks of things I'll have to clip off the original plug that goes from the original fuel pump to the "metal cover", and solder it onto the wire loom I got with the new fuel pump? http://i79.photobucket.com/albums/j1...S/IMAG7932.jpg |
Yeah, the fuel pump install is really easy. I THINK one if not both of the wires bolt to terminals at the top of the assembly. If so, you can crimp ring terminals on the new pump wiring and just bolt them in place. If not, cut the existing wires and use crimp on connectors, make sure they're good and sturdy. You don't need to wrap them in tape or anything - that's actually a bad idea as gas will eat the tape. Use blue barrel crimp connectors, crimp them tight with a proper crimp tool, and you'll be done.
The fuel pump's output uses an O-ring to seal up. Put a little gas or oil or something on the o-ring to lube them so they fit well and don't get caught up and tear. Dale |
How many wires does the stock fuel pump have?
In this topic ( https://www.rx7club.com/showthread.p...upra+fuel+pump ) it appears it has 4 wires, but my new Walbro only has a wiring loom with 2 wires. Ah well, might as well give it a try tomorrow, if it isn't raining. With most stuff, I just dig into it, but when it comes to fuel systems, I'm a bit hesitant.... |
the pump itself only has 2 wires, you will see once you pull the pump out, guessing about it is only confusing you. the original pump has a + and - stamp for battery polarity, the new pump should as well, if not the walbro is similar to most any wiring(red = positive or+, and black = negative or -).
the other 2 wires on the plug are for the low fuel level warning sensor and the fuel level gauge. |
this was just what I was looking for very good Thread but if some one could post need pics that would help allot .
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It's very simple. Once you remove the hanger you'll see that everything is simple. Positive(+) and negative(-) are stamped on walbro fuel pumps. You can solder or use crimp on terminal style connectors for the wires (depending on pump) clamp a fuel jose from nipple output of pump to hardline on the hanger. Secure the pump with hose clamps, safety wire, or whatever that will be resistant to fuel.
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