Fuel Pump - Ford Powerstroke Diesel Forum
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Old 03-02-2014, 01:25 PM
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Fuel Pump

Hello Gentlemen,

I am the proud owner of a 97' 7.3 Powerstroke, and I have for some time had a fuel leak in the valley of my engine (noticed it running down the back side and onto the ground). Through a lot of reading thanks to this site, I have diagnosed it as a leaking weep hole under the fuel pump. With alittle help, I shined a flashlight in the passenger side area of the pump, as my father revved the engine. Sure enough, fuel was spitting out from underneath the pump. I have thought about taking it to the dealer, however I am a hands on do it yourself because I want it done right kind of person (I'm an Electrician by trade). I figure I may as well rebuild the bowl and other components of the fuel system while I have it out. I have started filling my cart at DieselOrings.com with the material needed, and I'm curious about something. The fuel pump shaft oring, shown in this link Fuel Pump Shaft Sealing O-ring In this picture, is the oring already installed and they are just showing it off to the side as well? Reason I'm wondering is because i'm already purchasing a new pump obviously, and the picture of the new pump has that oring already on it. Kind of a dumb question.... but I just want to make sure I get everything I need the first time. Hopefully . Also is this something that I should be trying to tackle myself? I feel that I'm mechanically inclined, however I don't work on vehicles everyday.

Thank you -Mark
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Old 03-02-2014, 02:13 PM
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They usually come with the O-ring pre-installed. Never seen one that didn't......

Be extra careful when pulling the pump. pull it straight up, not at an angle. The pump plunger can come out, dropping into the abyss of the engine. Rarely happens, but it can if you are careless. It's a head ache you do NOT want.
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Old 03-02-2014, 02:28 PM
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Thank you for the quick response, and yes I have read about pump plunger. I've seen some posts talking about loosening the bolts on the pump, then turning the engine manually to make the cam push up on the plunger, actually pushing up on the pump slightly so that you know it won't fall off and into the engine. Does that sound correct?

-Mark
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Old 03-02-2014, 08:30 PM
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yeah, you can do that.
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