Oil Leak Under Back Of Intake

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Old Sep 6, 2015 | 06:57 AM
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Question Oil Leak Under Back Of Intake

When I put the Edelbrock Air Gap intake back on to the Edelbrock aluminum heads, I used new side gaskets and Permatex, black, gasket maker, on the ends. Apparently I did not put enough on the back side. I have a SMALL oil leak, at that point. I'd rather not have to take the manifold off, because it sealed real good on the sides - no leaks there. -- I don't know how much pressure is at the back, to push oil out ?? -- Is there a chance that I can clean that area, real good, with lacquer thinner, and run another bead of Permatex, on the outside - push it in, and smooth it with my fingers, and solve the problem, or at least work as a band aid, for a while ?? -- Yes, I know that the real fix is to take the manifold off and start over. -- Thanks
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Old Sep 6, 2015 | 08:05 AM
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Yes, same as I have done. If your PCV system is working properly under the manifold should stay in a slight vacuum. The oil showing is due to splash and then seepage not from pressure pushing it out.

I would not try and remove any of the existing bead as you may push some in while trying to remove it, which then creates another problem.
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Old Sep 6, 2015 | 08:34 AM
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Magoo....... You can try that..... Clean it well with brakleen and use the gray stuff. Make a nice bead and let it dry and see if that works... If not... Well you know what needs to get done...

http://www.permatex.com/products-2/p...r-82194-detail

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Old Sep 6, 2015 | 09:07 AM
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Thumbs up OIL LEAK

Originally Posted by RacerHog
Magoo....... You can try that..... Clean it well with brakleen and use the gray stuff. Make a nice bead and let it dry and see if that works... If not... Well you know what needs to get done...

http://www.permatex.com/products-2/p...r-82194-detail

-- Yep - I'm hoping that it works. -- I'll get some gray Permatex, as in the Permatex site. -- Keeping my fingers crossed. -- Thanks
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Old Sep 6, 2015 | 09:10 AM
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The simple fix is always worth a try, you can always do it correctly if it doesn't work.
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Old Sep 6, 2015 | 09:11 AM
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Question WORK ??

Originally Posted by Coronet 500
Yes, same as I have done. If your PCV system is working properly under the manifold should stay in a slight vacuum. The oil showing is due to splash and then seepage not from pressure pushing it out.

I would not try and remove any of the existing bead as you may push some in while trying to remove it, which then creates another problem.
--- I assume that it worked. -- ??
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Old Sep 6, 2015 | 10:19 AM
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Magoo -

Band-aid at best.
It has little to do with pressure, oil will seep through most opening if given half a chance. Ever have a valve cover leak, even right next to the PVC?

If you want a permanent fix you're going to have to do it over. Have sure both surfaces mate and are clean before applying sealer.

Archer
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Old Sep 6, 2015 | 11:34 AM
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Thumbs up Leak

[QUOTE=Archer;130369]Magoo -

Band-aid at best.
It has little to do with pressure, oil will seep through most opening if given half a chance. Ever have a valve cover leak, even right next to the PVC?

If you want a permanent fix you're going to have to do it over. Have sure both surfaces mate and are clean before applying sealer.

Archer[/QUOTE -- If I force it in, in addition to what is already there, then there should not be an opening. -- Oh well !! -- I'll try it anyway - not like it's a big effort. - I'll take the distributor out and get at it.
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Old Sep 6, 2015 | 12:49 PM
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Magoo -

Sure it's worth a try ... but if oil was leaking out, that kinda means there's a coating of oil on the walls of the the opening. See the problem ?

Archer
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Old Sep 6, 2015 | 02:28 PM
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Smile Leak

Originally Posted by Archer
Magoo -

Sure it's worth a try ... but if oil was leaking out, that kinda means there's a coating of oil on the walls of the the opening. See the problem ?

Archer
-- We'll find out as soon as I get the ambition to deal with it. -- Thanks
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Old Sep 6, 2015 | 03:15 PM
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Yes it did work Magoo. I think I used alcohol to clean area and dribbled a bit in through leaking area to clean oil off. Used a tooth pick to mush it in the "crack".
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Old Sep 10, 2015 | 10:03 AM
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Thumbs up Looks like it worked

Originally Posted by Magoo
-- We'll find out as soon as I get the ambition to deal with it. -- Thanks
-- Got it done and have driven the car about 200 miles. - No leaks, so far. -- At this point, it has worked.
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Old Sep 10, 2015 | 05:49 PM
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Glad you got it stopped for now.....
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Old Sep 10, 2015 | 06:22 PM
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Smile HOPING

Originally Posted by RacerHog
Glad you got it stopped for now.....
--- Hopefully it's more than for now.
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