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1994.5 - 1997 7.3L Power Stroke Diesel  

HPOP draining overnight?

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Old Sep 13, 2018 | 01:33 PM
  #16  
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The kicker is I got from here lol... From some well known character's lol.... Guess I could sell this pump and start looking for a "new HPOP" WAIT!!!! I think I have one in my parts vin. Hope its a 17° and not the 15° one. Its all good though it's just annoying every morning start.
 
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Old Sep 13, 2018 | 01:35 PM
  #17  
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What still has me puzzled is that it did the same with my old mill? Maybe im missing something.
 
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Old Sep 13, 2018 | 03:21 PM
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Do you have the correct ipr installed ?
you could have had a issue with the check valve on the old engine


 
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Old Sep 13, 2018 | 03:31 PM
  #19  
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By correct IPR what do you mean? Like the one with screen? The check valve on the HPOP could be the problem.
 
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Old Sep 13, 2018 | 03:31 PM
  #20  
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I did use the 96+ HPOP gasket
 
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Old Sep 13, 2018 | 03:46 PM
  #21  
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The 94.5-95 ipr has a edge filter(screen)
 
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Old Sep 13, 2018 | 03:50 PM
  #22  
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Unfortunately I bought it for a 00 as the dealer didn't have one for my MY truck. I would of thought they were th same? Will the screen make difference?
 
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Old Sep 13, 2018 | 07:20 PM
  #23  
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I just bought the early one a few months ago. There's not a screen on mine. It's just a machined ridge in the edge. I don't really understand what it's supposed to do. I have a picture somewhere if I can find it. There is an IPR with a screen for the 6.0.

There was a recent thread here about the HPOP gasket change. But then, a thread here probably got you into this.
 
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Old Sep 13, 2018 | 09:31 PM
  #24  
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If you discover that pump is good and just won’t in fact work with the e99 cover pm I’d be interested in the pump
 
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Old Sep 14, 2018 | 06:47 PM
  #25  
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Originally Posted by z31freakify
The kicker is I got from here lol... From some well known character's lol.... Guess I could sell this pump and start looking for a "new HPOP" WAIT!!!! I think I have one in my parts vin. Hope its a 17° and not the 15° one. Its all good though it's just annoying every morning start.
You sure? I thought that conversation led to needing the correct pump?!
I just know I wouldn't say it after having battled this issue as a pre-existing condition on my truck.
 
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Old Sep 14, 2018 | 07:05 PM
  #26  
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It led to stating I couldnt use the 96+ HPOP on the 94.5-95 but could use the 94.5-95 HPOP on the 96+ covers. No worries my HPOP was working fine just before the old mill started to pass coolant into the oil and the excess blow by thats when it started to drain overnight.
 
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Old Sep 14, 2018 | 07:14 PM
  #27  
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Jackpot 2 96+ HPOP's just hope one of them is a 17°. Oh and Byrons old damaged HPOP




Byrons old damaged HPOP.
 
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Old Sep 14, 2018 | 11:22 PM
  #28  
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The one without the gear has SD fittings. If it truly is for a sd the it’s a 17*
 
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Old Sep 15, 2018 | 08:05 AM
  #29  
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As long as that one for the SD isn't an E99, it'll be a 17* HPOP. Adam I have a 15* off of my SD that was in good working order when I put the 17* on it. Let me know if you might need it. I'd let it go pretty cheap.

Seeing the old damaged one gives me the ******* from memories of that debacle.
 
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Old Sep 15, 2018 | 08:36 AM
  #30  
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I believe mine leaks down over night too. It will hunt up and down at idle for a few seconds before driving normally. I believe it to be the HPOP filling back up with oil. It got pretty bad and tossed a check engine light and would hardly run for a few minutes until I'm assuming it primed itself and came to life. Either way - I'm 800 miles from home and will be having the 0-rings checked, and if that won't do it, I'll put in a aftermarket pump. Good luck with yours
 
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