new truck leaking injection pump - Diesel Bombers



1st Generation Dodge Cummins 89-93 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps

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Old 12-10-2012, 07:12 PM
luke46's Avatar
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Default new truck leaking injection pump

So I couldn't resist buying another old 12 valve it's old beat and hammered 2wd auto 92 with a newer transmission. Drives fine runs good paid 800 for it and hauled it home. Injection pump is leaking pretty bad from the bottom and some from the top. I resealed one on another 12 valve I have it was leaking from several of the top end gaskets. I was afraid to go deeper. I am very mechanically inclined but don't do well with smaller fine stuff. So I can either buy another reseal kit for 20 dollars and try and go deep to get the bottom seals or there is a guy on ebay that reseals and tests them for 200 dollars plus a little for shipping. Anyone have any experience advice or other ideas. thanks.
I'm not looking for a power house already have one I honestly want to make this into a mileage truck and try and do a waste oil burner go back and forth to work 40 miles. Starting to set up my system shortly. Have a good hx35 for it already too.
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Old 12-10-2012, 07:19 PM
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I dunno, take the AFC housing off replace that gasket and the power screw oring and see what it does then, it can't hurt to see.
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Old 12-11-2012, 12:13 AM
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It's coming out the bottom I can't honestly tell where it's coming from. The last one I could see it coming from the housing o ring.

---AutoMerged DoublePost---

Also there is a little drip from the little vent thing from the top. But most of the fuel is coming out the bottom.

Last edited by luke46; 12-11-2012 at 12:13 AM. Reason: Automerged Doublepost
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Old 12-11-2012, 12:57 AM
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Get a reseal kit, and install a gov spring while fixing your pump.
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Old 12-11-2012, 01:48 PM
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Ya guess l just do it already got the 3k gov spring from an old project.
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