5.9L Rotary Performance Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps Related To Performance And Longevity

My 1st, 1st gen injector swap?

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  #11  
Old 01-11-2010, 11:24 PM
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if your going to get in there and do a gasket, do a complete injector gasket set while your at it, its like a 15 dollar kit
 
  #12  
Old 01-11-2010, 11:39 PM
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If I got the kit for removing the head you think it will come with those? And with all these damn leaks you think it is a good sign that it has more than the 160K that I was told. Givin that it seems to have went threw a turbo too.
 
  #13  
Old 01-11-2010, 11:57 PM
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mine had 190,000 on it went the turbo went out. and the cummins are known for oil leaks and whatnot. mine leaked really bad. and when i got the head gasket kit it came with all of the new gaskets and everything. i got the fel pro set from napa. but if you have it all the way down just do a complete gasket set (oil pan, timing cover, front and rear main, etc)

i think it cost me like 400 for all the gaskets it was pricey
 
  #14  
Old 01-12-2010, 12:06 AM
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Well i'm going to start out with a compression check. If the #'s look real good I might not take the head off. But I will for sure do the oil pan and the front cover and locktite the bolts. I have to do a pump reseal also, the governor shaft seal leaks pretty heavily on warm up and cool down.
 
  #15  
Old 01-12-2010, 12:48 PM
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Sorry guys I will give an update soon, sdx didn't get their nozzles back when they were supposed too so it will prolly be the end of the week before I get them.
 
  #16  
Old 01-13-2010, 10:59 PM
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thats funny about the oil leaks mine doesn't leak oil bad at all...... as for the gov shaft now thats a different story, just got the seal kit thinking about putting it on the pump this weekend, as for the injector leak, just snig the nut up. should stop the leak

---AutoMerged DoublePost---

****snug the top nut on the fuel line***** ( cant type to night it seems)
 

Last edited by seandonato73; 01-13-2010 at 10:59 PM. Reason: Automerged Doublepost
  #17  
Old 01-14-2010, 12:14 PM
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It;s not leaking from the top nut. It is leaking from the nut that holds the injector into the head. When it is warming up I can actually see little air bubbles in the fuel, which would be my compression leaking out of there. Once I look into things a little more I might just have the injectors sent out and be worked rather than buy new ones.
 
  #18  
Old 01-14-2010, 02:50 PM
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We use a anerobic sealant on the bodies to prevent them from leaking the way you describe.
 
  #19  
Old 01-14-2010, 04:27 PM
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So my best bet is to remove them, replace the seals, and apply so sealant to prevent this from happening in the future? And what brand of sealant should I use and can I find it at the Napa or any other parts store.
 
  #20  
Old 01-14-2010, 10:59 PM
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we use fluid weld at work on injector tubes and the like at work..... don't know if that is what weston ment be it seals really well.
 


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