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How to rebuild fuel pump assembly

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Old 05-17-2011, 11:35 AM
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Originally Posted by fordtrucknut
i hate to see how bad your lines are gummed up. not to mention your injectors and fuel rail and regulator.

you must be one broke **** to sit and clean all that out, i would of headed to the slvage yard and picked one up there used that would prolly be in alot better shape.

as far a dr. bowtie, on rockauto parts i've ordered 4 fuel pumps for 2 different year trucks plus about 2k in other parts and always got the parts i ordered, sometimes there site is hard to follow with all the different parts options but if you know exactly what your looking at and looking for you'll get the right part everytime.
maybe next time you should leave the parts picking up to the kid at autozone that way you get the right parts.
The lines and injectors are fine. I never used this tank. Apparently someone else never did either. I tried one or 2 times just never would build up the pressure. It is gas that just varnished in the tank from non use. The truck may have sat for a few years and got sold with a full front tank and an empty rear then someone put gas in the working rear that now has a hole in it. and yes I am one broke mo fo but If I can do this my self I'm not going to **** away the money even if I had it. I find myself more proud of my rusted ole truck the more I fix it. I can't wait to get the gas mileage at top peak performance then kill it by adding a front axle uuuu 4wd conversion. That will be real fun.
Old 05-19-2011, 07:25 PM
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Which is positive and which is negative wires to the pump?
Old 05-19-2011, 07:41 PM
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If you wish to know the truth dhonnoll I may be doing to exact same thing to my front one. I know where you are coming from bro. The more hard work we do ourselves to these trucks the more satisfaction we get out of it.

Broke or not I am actually proud of you for taking this on the way you have man. Not many would do this they would just go to the yard or someplace and replace it. After they are done they say have fixed but all they really did was replace parts. You can say with pride I rebuilt my fuel pump and fixed my truck.
Old 05-19-2011, 11:18 PM
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I don't have to buy many parts for my truck anymore. It has an AutoZone lifetime warranty.
Old 05-19-2011, 11:22 PM
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Originally Posted by Just call me Sean
I don't have to buy many parts for my truck anymore. It has an AutoZone lifetime warranty.
If that is anything like the one around here gives you will be replacing the whole truck soon lmao!
Old 05-22-2011, 12:24 AM
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Originally Posted by AuroraZero
If you wish to know the truth dhonnoll I may be doing to exact same thing to my front one. I know where you are coming from bro. The more hard work we do ourselves to these trucks the more satisfaction we get out of it.

Broke or not I am actually proud of you for taking this on the way you have man. Not many would do this they would just go to the yard or someplace and replace it. After they are done they say have fixed but all they really did was replace parts. You can say with pride I rebuilt my fuel pump and fixed my truck.
Thank you Aurora Zero that means alot it is coming back together i hate to admit it but it now has one GM replacement part. The gromet thst holds the evap valve in thetank is a HELP! GM universal oil filler tube gromet slightly altered fit perfectly even better than the old one which turned to pure goo with that bad gas that was in it for years.
Old 05-22-2011, 12:35 AM
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Pump is rebult. Tank was sprayed with ruberized undercoatin where the straps and frame cross member go. Will put it in tomorrow Lord willin' and the creek don't rise.
For those who care to know, when re-assembling the pump, there is a ring arounf the nozzle to the pump. (is part of the assembly and will have to be re-used). It acts as a gude to the pump because it has to be turned acertain way to fit and for wires to fit. First put the pump in the valve. The nozzle goes in the red seal. That same red seal has a small hole opposite the pump nozzle hole, that hole is for the guide ring mentioned earlier. Once that is done put the bottom sump od the pump on. Run the two wires (careful you have very little room oin how you route the wires). And the whole thing just sort of snaps together.
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Old 05-22-2011, 12:40 AM
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I am just still amazed that with all the crap and sludge in the tank and pump it was Ford tough still enough to put out 30 PSI or almost that much.
Old 05-23-2011, 11:20 AM
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Unfortunatly this deidn't seem to work out too well. The problem was with the varnished old gas it ate through a diaphram that is in the bottom of the pump (inside of the hole where the strainer goes). So I am going to have to get a pump assembly. My advice is this is very doable if you want to save the money. But if you have old varnished gasoline in the tank not woth it because of the damages varnished gasoline does to EVERYYHING!!!!
Old 05-23-2011, 01:28 PM
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I understand man and I appreciate you trying this approach. I just wish it has worked out better for you in the end.


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