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Greg Ondayko
 Post subject: Non Slant Oil Leak?
PostPosted: Wed Dec 29, 2010 7:41 pm 
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Supercharged
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Joined: Sat Nov 27, 2004 8:03 pm
Posts: 10053
Location: IRWIN PA
Car Model:
Here's the problem:


I have a persistent oil leak on my truck -318 with an NP435...



anyway I thought it was the rear main seal.. Replaced that...

Still leaked ...okay maybe I put one the the halves backward.....

Nope .. I put in in correct.. put it all bak together and the leak still is there.


Could it be the Oil Press. sending unit on the back of the block?

The truck has a gauge and it has one of the big can shaped senders for the gauge..


If it's not that then the cam plug or one of the oil gallery plugs is leaking in the back of the block :cry: I really hope its not that.


Any insight is appreciated.


Greg

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Charrlie_S
 Post subject:
PostPosted: Thu Dec 30, 2010 5:17 am 
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Joined: Sat Oct 19, 2002 12:06 pm
Posts: 8979
Location: Silver Springs, Fl.
Car Model:
Valve cover leaking down the back of the engine?
Intake manifold end rail seal leaking?
You did check to make sure the PCV system is working, didn't you?

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Greg Ondayko
 Post subject:
PostPosted: Thu Dec 30, 2010 5:35 am 
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Charrlie,


valve cover gaskets are good...


I will check the PCV and components..

Did not think of that.


Greg

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Romeo Furio
 Post subject: Leak
PostPosted: Sat Jan 01, 2011 10:08 am 
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Joined: Thu Jan 04, 2007 6:38 pm
Posts: 878
Location: Boulder City Nevada
Car Model:
Greg, Does your truck have a gauge and a light ? I don't remember your year but some do and have found that the "splitter" fitting is the culprit. Also like Charrlie said about the Intake. Best bet is to clean,clean,clean that area and look for a trail from above.
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64 Convert
 Post subject:
PostPosted: Sat Jan 01, 2011 12:38 pm 
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Joined: Sun Nov 03, 2002 9:29 am
Posts: 1049
Location: Texas
Car Model: 1964 Valiant convertible 225 automatic
Don't forget to check the O-ring on the distributor housing where it fits into the block. The last small block gasket set I bought had the wrong O-ring and it wouldn't seal.
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Greg Ondayko
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PostPosted: Sat Jan 01, 2011 5:07 pm 
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Thanks Guys, Romeo, Just A gauge - no light...


I will look into the dist. gasket too!


Greg

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Nongan
 Post subject:
PostPosted: Sun Jan 02, 2011 6:20 pm 
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Joined: Fri Dec 03, 2010 9:31 pm
Posts: 433
Location: Oregon
Car Model:
There is additive that you put in your oil that shows up under a blacklight, you just drive around for a little, park it in a shop and shine a blacklight all over it and it will show where the leak is coming from.

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Greg Ondayko
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PostPosted: Sun Jan 02, 2011 6:28 pm 
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Cool, I might have to try that.


Greg

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Greg Ondayko
 Post subject:
PostPosted: Sat Feb 05, 2011 1:42 pm 
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Location: IRWIN PA
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Got this one taken care of! it was the Oil Pressure sending unit...


Leaking from under the fibre / Mica Washer


No more oil on the ground oil burning on the exhaust!


YAY!

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Last edited by Greg Ondayko on Sun Feb 06, 2011 5:56 am, edited 1 time in total.

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olafla
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PostPosted: Sat Feb 05, 2011 8:13 pm 
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Location: Oslo, Norway
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Quote:
There is additive that you put in your oil that shows up under a blacklight, you just drive around for a little, park it in a shop and shine a blacklight all over it and it will show where the leak is coming from.
You can get it at silver-seal.com.

Olaf.

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pishta
 Post subject:
PostPosted: Tue Feb 22, 2011 6:34 pm 
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Posts: 346
Location: Tustin, CA
Car Model: 1965 Barracuda 'S' auto
Quote:
There is additive that you put in your oil that shows up under a blacklight, you just drive around for a little, park it in a shop and shine a blacklight all over it and it will show where the leak is coming from.
Your entire car would show up! That is GREEN! I had a bad pressure sender too in my Breeze. Same thing, I layed under it and watched a cleaned sender well up with oil and finally drip..on me...
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olafla
 Post subject:
PostPosted: Wed Feb 23, 2011 1:48 am 
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Location: Oslo, Norway
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:mrgreen: :mrgreen: :mrgreen: :mrgreen: :mrgreen: :mrgreen:

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