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  #1  
Old May 9th, 2012, 08:08 PM
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Jeff Payne
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Leaking injector pump

I started to smell diesel when exiting the truck so I poked around and found that the injector pump is totally wet with diesel. The other day I went over the thing with a bunch of wrenches and made sure everything was tight and it all was. I cleaned it all off this morning and just looked again to try to determine where it was coming from and the whole thing is wet again so I can't really tell what the problem is. Is there a common place where these things get compromised? If so, is there a rebuild kit for the pump on a 2.25 NA?

As always thanks in advance.

Jeff
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  #2  
Old May 9th, 2012, 10:04 PM
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Skinny Pete
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looks like the fuel line near the top is held together by a zip tie. I would look there for starters.

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Originally Posted by Jpayne View Post
I started to smell diesel when exiting the truck so I poked around and found that the injector pump is totally wet with diesel. The other day I went over the thing with a bunch of wrenches and made sure everything was tight and it all was. I cleaned it all off this morning and just looked again to try to determine where it was coming from and the whole thing is wet again so I can't really tell what the problem is. Is there a common place where these things get compromised? If so, is there a rebuild kit for the pump on a 2.25 NA?

As always thanks in advance.

Jeff
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  #3  
Old May 9th, 2012, 10:48 PM
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That zip tie is actually just on the metal pipe and doesn't appear to be fastening anything. I only noticed it when I took those pics. My guess is that it is leaking at the top since the whole thing is wet. Those plastic lines aren't even held down by anything, should they have hose clamps on them?
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  #4  
Old May 9th, 2012, 10:52 PM
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Quote:
Originally Posted by Jpayne View Post
That zip tie is actually just on the metal pipe and doesn't appear to be fastening anything. I only noticed it when I took those pics. My guess is that it is leaking at the top since the whole thing is wet. Those plastic lines aren't even held down by anything, should they have hose clamps on them?
I wonder if those lines are just the Viton type that the Tdi's have on the fuel rail....they just slip on, but are known to leak eventually. Or are they more of a hard plastic line similar to the old Series rover fuel lines?
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Old May 10th, 2012, 01:05 PM
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Not sure what they compare closer to, but my guess is probably Series. They are more like a plastic than rubber and do just slip on. I will look into replacing them even though I don't feel that they are the culprit.
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Old May 10th, 2012, 01:09 PM
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Can you clean if off, fire it up and once clean see if it leaks at idle so you can tell exactly where it's coming from?
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  #7  
Old May 10th, 2012, 01:21 PM
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I did try to do that. I pulled out the scrubbing bubbles bathroom cleaner from the house and that stuff did a great job at getting all the diesel soaked dust off from Uwharrie. I sprayed that stuff all over the whole engine bay and did better than any other cleaner I have found. But then I drove it to work and home before I checked it again and it was wet all over. I should do as you say and just run it in the driveway after its all cleaned off again.
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Old May 16th, 2012, 01:22 AM
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I have a leaking injector pump on my 2.5 NA. You may check the area between the distribution and pressure side. From what I can tell there's a big o-ring between the two pump halfs. The scary part I've been told a rebuild on these pumps is crazy money.Acually cheaper to buy a new one and ship it from the UK. That's my plan for mine. It's a shame because my truck runs great even with the leak. But the diesel stinks.
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  #9  
Old May 16th, 2012, 09:32 AM
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Do you mean this seam highlighted in red? That's my best guess for the leak which seems like a bad place.
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  #10  
Old November 7th, 2012, 10:42 PM
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Bringing this old thread back...

So I have replaced a few lines and that helped for a while but now in the past week diesel is dripping off the truck at a pretty rapid rate. Some looks to be coming from the metal lines as well as the pump. Does anyone know of a rebuild kit out there for the 2.25 injector pump?
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  #11  
Old January 3rd, 2013, 10:25 PM
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Send me a n email.

Jeff:
Spoke to Dr. Dave...
Send me an email and will try and help Dave figure out what the issue is.
Good meeting you @ uwharrie.
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