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Oil in plug recesses

 
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Old 24 Sep 2014, 05:12 pm
Young Cruiser
 
Join Date: Sep 2014
Location: Olalla, WA
Posts: 50
Default Oil in plug recesses

Still fixing her up and today I addressed a rough running at idle when cold situation with a new set of plugs and wires. It was really ready for the plugs, the one's in there barely had any electrode left.

The surprise was that the plug recesses had oil in them. Number one was awash with oil. When I pulled the wire it was absolutely dripping and the recess was filled above the top of the spark plug. Number three had some oil but not as bad.

After I finished the lady started right up and smoked for a while which I knew would happen with all the oil that drained into the combustion chambers. After the oil was cleared out I took it on a drive and very happy with the result.

Should I be worried about the source of the oil? It seems to me that it had to have been the previous owner or his oil change kid at the corner Jiffy Lube had to have spilled a bunch of oil while filling the crankcase. If so, it would sit on the flat area of the head and migrate down into the plug recesses.
Is there any other likely source?

Thanks in advance for any ideas
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Old 24 Sep 2014, 05:22 pm
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Join Date: May 2014
Location: Central Florida
Posts: 4,343
Default Re: Oil in plug recesses

Bad Tube Seals...they are part of the Valve Cover.

tubseals.jpg
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Old 24 Sep 2014, 05:26 pm
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Default Re: Oil in plug recesses

Quote:
Originally Posted by LionPT View Post
Bad Tube Seals...they are part of the Valve Cover.

Attachment 11685
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Old 24 Sep 2014, 05:31 pm
Young Cruiser
 
Join Date: Sep 2014
Location: Olalla, WA
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Default Re: Oil in plug recesses

Thanks for the quick reply! Now I have my next project lined out, goody!
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Old 24 Sep 2014, 06:10 pm
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Default Re: Oil in plug recesses

Quote:
Originally Posted by 101Vet View Post
Thanks for the quick reply! Now I have my next project lined out, goody!
Here are two thing that may stump you if you haven't completed them already are the LCA, I may have read that they were either done or on your list , but the vertical bolt on the LCA sometimes freezes with rust and its has cause its share of expletives... If you can get it out, put some never seize or at least grease the bolt before you reinstall it. and the other is if will still move is the spare tire lowering bolt just inside the rear hatch on the right. Chrysler must have thought these would never see any moisture, mine rusted and would not move.
Happy Crusin.....
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Old 24 Sep 2014, 06:16 pm
Regular Cruiser
 
Join Date: Aug 2013
Location: Az
Posts: 169
Default Re: Oil in plug recesses

Valve cover gaskets
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Old 24 Sep 2014, 07:32 pm
Young Cruiser
 
Join Date: Sep 2014
Location: Olalla, WA
Posts: 50
Default Re: Oil in plug recesses

Thanks for all the help guys. I have the cover off and will be picking the gasket and o-rings up in the AM. The bolts have gaskets on them too. are those gaskets usually reused or should I look into finding new ones? Also, any trick to keeping the gasket in place while maneuvering the cover into place?
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Old 24 Sep 2014, 08:09 pm
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Join Date: Aug 2014
Location: Thousand Oaks, CA
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Default Re: Oil in plug recesses

Quote:
Originally Posted by 101Vet View Post
Thanks for all the help guys. I have the cover off and will be picking the gasket and o-rings up in the AM. The bolts have gaskets on them too. are those gaskets usually reused or should I look into finding new ones? Also, any trick to keeping the gasket in place while maneuvering the cover into place?
What brand gaskets are you buying?
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Old 24 Sep 2014, 08:11 pm
Young Cruiser
 
Join Date: Sep 2014
Location: Olalla, WA
Posts: 50
Default Re: Oil in plug recesses

Quote:
Originally Posted by JoeX View Post
Here are two thing that may stump you if you haven't completed them already are the LCA, I may have read that they were either done or on your list , but the vertical bolt on the LCA sometimes freezes with rust and its has cause its share of expletives... If you can get it out, put some never seize or at least grease the bolt before you reinstall it. and the other is if will still move is the spare tire lowering bolt just inside the rear hatch on the right. Chrysler must have thought these would never see any moisture, mine rusted and would not move.
Happy Crusin.....
Thanks for the tips, JoeX

I might be slow thinking right now, but what's the LCA? I know I'll kick myself when you tell me
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Old 24 Sep 2014, 08:12 pm
Young Cruiser
 
Join Date: Sep 2014
Location: Olalla, WA
Posts: 50
Default Re: Oil in plug recesses

Quote:
Originally Posted by ptcruisersteve View Post
What brand gaskets are you buying?
I planned on picking them up at NAPA. What should I watch for? Is there a preferred brand?
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