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

ve pump leak?

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Old Nov 17, 2014 | 07:49 PM
  #1  
NHenry166's Avatar
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Default ve pump leak?

Hi guys I'm new to the site and I just got this truck and it's in pretty great shape. But it is leaking a small amount of fuel from the pump. It looks like it's coming from where the fuel screw is. Is there an o ring there or some kind of way of sealing it. Or is it somsomething else.
Any help would be appreciated
 
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Old Nov 21, 2014 | 04:32 PM
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Old Nov 30, 2014 | 10:38 PM
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If you are talking about your full fuel screw then yes there is check out the sticky before you go play with that though
 
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Old Dec 10, 2014 | 06:33 PM
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http://www.dieseltruckresource.com/forums/1st-gen-ram-all-topics-93/repair-leaking-fuel-pin-153154/?styleid=11

Go to this website, this is your problem, I had the same problem a while back
 
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Old Dec 10, 2014 | 06:34 PM
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And if it's the fuel screw use plumbers tape on the scene then put the nut on over it to seal it, sometimes the threads get soft and allow a small leak pask, use plumbers tape
 
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Old Dec 17, 2014 | 03:14 AM
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If you have the pin out replace the o ring I wouldnt rely on teflon tape like I think big tan snorkel was talking about with plumbers tape ( plumbers tape what holds your water heater to the wall with all the holes in it)
 

Last edited by cumminsblazer; Dec 17, 2014 at 03:18 AM.
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Old Dec 17, 2014 | 04:13 AM
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Not meaning to bash back blazer, but I have found it works for sealing thread gap, but yes replace the o ring, but you might have to go to a rubber specific store for a fuel safe o ring so you don't run into the o ring getting eaten off
 
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Old Dec 17, 2014 | 01:39 PM
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I agree maybe in a pinch like leaking bad and need to go to work in the morning through some teflon tape on there and go to work but its not like a npt thread teflon will start leaking again cause its not getting smashed in there
 
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