Oil leak! - Dodge Cummins Diesel Forum
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post #1 of 12 (permalink) Old 09-03-2011, 05:12 PM Thread Starter
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Exclamation Oil leak!

Hi all, I'm hoping to get some insight on what's leaking oil on my 02 5.9, so here goes.
It started as a slow leak but has now turned into a BAD leak It's now a constant drip off the bottom of the IP and only leaks with the engine running. I've been reading a lot of threads about oil leaks from the same area and most people are finding that it's the tappet cover leaking. I can see the tappet cover and the oil is NOT coming from there, it's up higher.. Thanx in advance for any insight or advice!

Jay


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post #2 of 12 (permalink) Old 09-03-2011, 05:13 PM
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The only thing I can think of higher is head gasket...

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post #3 of 12 (permalink) Old 09-03-2011, 05:25 PM
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Have you physically seen it dripping off the injection pump or just from down below in that area? A very common and severe leak can develop from between the vac pump and the power steering pump and be very hard to find

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post #4 of 12 (permalink) Old 09-03-2011, 05:29 PM Thread Starter
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Yes, I'm actually watching it drip off the IP. I'm thinkin maybe the o-ring where the IP goes into the timing cover, but it seems like pressurized oil and the timing case isn't under oil pressure... I really hope it's not the head gasket.

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post #5 of 12 (permalink) Old 09-03-2011, 05:37 PM
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That o ring wouldnt be much of a leak in my mind, its a pretty tight fit in the timing case anyways and not alot of oil is flung up there. Tappet cover has no pressure either anywhere. can you geta little dentists mirror and a light up top to try and see it?

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post #6 of 12 (permalink) Old 09-03-2011, 05:42 PM
So the question is???
 
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Cam sensor???

97 ECLB Manual...2ndGenDoms trucks EVIL TWIN

Quote:
Originally Posted by v8440 View Post
There's a guy floating around here with 780k on his unrebuilt cummins. Now, according to duramax and ford guys, his truck should have fallen completely apart around the engine 7.8 times, since they all know that dodge trucks are junk and only last 100k before they spontaneously disassemble themselves while going down the road. That has happened to me 2.76 times, and both times I was only wearing boxers while driving so it was really embarrassing.
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post #7 of 12 (permalink) Old 09-03-2011, 05:48 PM Thread Starter
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Yeah, that's how I saw the oil dripping off the IP is with a little mirror and a light. My father has got an inspection camera and I'm gonna look at it with that before i start tearing it apart.. Still anymore ideas or info is welcome!! And thanx again for info thus far.

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post #8 of 12 (permalink) Old 09-03-2011, 06:18 PM Thread Starter
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Quote:
Originally Posted by 9612vinva View Post
Cam sensor???
Is the cam sensor up higher than the IP??

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post #9 of 12 (permalink) Old 09-03-2011, 06:24 PM
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Quote:
Originally Posted by BiGn'NASTY View Post
Is the cam sensor up higher than the IP??
It's actually right beside the vp on the block. If you look behind the vp with a light you might be able to see it. I replaced mine when I put my injection pump on because it's much easier to get to with the pump off.

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post #10 of 12 (permalink) Old 09-03-2011, 06:30 PM
So the question is???
 
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could be the oil fitting for the vac pump...

97 ECLB Manual...2ndGenDoms trucks EVIL TWIN

Quote:
Originally Posted by v8440 View Post
There's a guy floating around here with 780k on his unrebuilt cummins. Now, according to duramax and ford guys, his truck should have fallen completely apart around the engine 7.8 times, since they all know that dodge trucks are junk and only last 100k before they spontaneously disassemble themselves while going down the road. That has happened to me 2.76 times, and both times I was only wearing boxers while driving so it was really embarrassing.
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post #11 of 12 (permalink) Old 09-03-2011, 07:26 PM Thread Starter
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Good news! Just started to tear into it and further inspect and found that the stud closest to the block for the IP is MIA. Started it up and watched the hole and that's where the leak is. Now i just gotta fannagle my way in there with an extention and throw a bolt in the hole and I should be back in business

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post #12 of 12 (permalink) Old 09-03-2011, 08:15 PM
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Time to buy a lotto ticket. Whodathunk a mounting bolt hole would go all the way
through? Have to put that tidbit on the hard drive.

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