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oil in wrong place?

Old 25-Feb-2011, 11:25 AM
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oil in wrong place?

So i checked my spark plugs... and there's oil in the first 2 left ones. I bought my civic 93 lx used, and i also noticed my engine has the word 91 accord written on it... but i see the code D15B elsewhere too o.o;;;

i pull the plugs out and there's oil all over them... how bad is this? and how can i fix it?
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Old 25-Feb-2011, 12:06 PM
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Sounds like there is just some oil pooling down in the spark plug galleys. Not a big deal. Most likely your valve cover gasket doughnuts (that seal the valve cover around the sprak plug holes) are leaking.

Remove the valve cover and examine the valve cover gasket and gasket doughnuts that seal around each spark plug (4). If they are in bad shape, get some new ones. DO NOT put ANY gasket goop/sealant on them. Make sure all the contact surfaces, gaskets, and valve cover is clean and dry before reinstalling. Everything should be installed clean and dry. Any goop or oil residue left on the surfaces/gasket will most likely result in another leak.

Good luck.
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Old 25-Feb-2011, 12:10 PM
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I only noticed one of them being really bad... previous owner didnt seem to seal it properly i guess because the other 2 that are seemingly fine have this orange silicone(or some sort of seal) where the other 2 are lacking... i'm not gonna blow up am i? =O
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Old 25-Feb-2011, 12:24 PM
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Originally Posted by jpark View Post
I only noticed one of them being really bad... previous owner didnt seem to seal it properly i guess because the other 2 that are seemingly fine have this orange silicone(or some sort of seal) where the other 2 are lacking... i'm not gonna blow up am i? =O
lol. No, it won't blow up.

From personal experience I have seen where that silicone stuff was used and it caused the leak at those doughnuts. I cleaned everything up, peeled all that stuff off and reinstalled the original gasket and doughnuts with clean/dry surfaces and it's now totally fine.
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Old 25-Feb-2011, 12:41 PM
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ah okay.. if i wanted to do an engine swap eventually (either b16 series or k20) should i even bother fixin up components to my engine? ie that sparkplg situation
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Old 25-Feb-2011, 01:31 PM
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^Fixing this minor oil leak shouldn't cost you any money and can be done with basic hand tools. Worst case is you need a new valve cover gasket and doughnuts.

I'd fix up what ever you can and what ever you see is wrong. Improper vehicle maintenance only ends up costing you more money down the road. Take care of your car and it will take care of your wallet.
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Old 25-Feb-2011, 02:29 PM
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i will look aroud to see how to get that done, thanks a lot
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Old 03-May-2011, 09:59 PM
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Originally Posted by MPR View Post
Sounds like there is just some oil pooling down in the spark plug galleys. Not a big deal. Most likely your valve cover gasket doughnuts (that seal the valve cover around the sprak plug holes) are leaking.

Remove the valve cover and examine the valve cover gasket and gasket doughnuts that seal around each spark plug (4). If they are in bad shape, get some new ones. DO NOT put ANY gasket goop/sealant on them. Make sure all the contact surfaces, gaskets, and valve cover is clean and dry before reinstalling. Everything should be installed clean and dry. Any goop or oil residue left on the surfaces/gasket will most likely result in another leak.

Good luck.
i have a question do you put silicone/sealant on the gasket that goes around the entire valve cover or you dont use silicone at all when changing the doughnuts and valve cover gasket

please help i have the same issue and want to do it soon

thanks!
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Old 04-May-2011, 12:43 PM
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nobody??
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Old 04-May-2011, 01:50 PM
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Personally, I don't use silicone sealant. I just make sure the parts and the gaskets are clean and dry when I assemble them. I've seen instances where the use of silicone goop caused leaks... specifically on the valve cover doughnuts.

Either way, make sure the contact surfaces and gaskets are CLEAN and DRY when you assemble.
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Old 04-May-2011, 04:44 PM
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I agree with MPR about avoiding the use of silicone sealant on the round 'doughnut' gaskets used to seal the spark plug galleys (Tube used to access the spark plug that is typically occupied by the spark plug connector).

When it comes to valve cover gaskets, the long, mostly rectangular-ish gasket that runs the perimeter of your valve cover and has two arches on the short sides, I always use a small amount of silicone sealant on the horizontal surface at the corner of those two arches. To clarify a 'small amount' I mean no more than a thin to mild film no more than a cm along the gasket surface.

Either way will work, but make sure as MPR said that everything is CLEAN prior to re-assembly, and if a gasket looks stretched, is loose, doesn't fit, is cracked, ripped or frayed, go spend the $4 to replace the thing. Car ownership comes at a cost.
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Old 04-May-2011, 09:29 PM
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thanks guys!

do you know if the valve cover bolts needed to be torqued to a specific tightness or can i just tighten them up nice and snug and im good?
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Old 05-May-2011, 02:32 AM
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Originally Posted by MPR View Post
lol. No, it won't blow up.

From personal experience I have seen where that silicone stuff was used and it caused the leak at those doughnuts. I cleaned everything up, peeled all that stuff off and reinstalled the original gasket and doughnuts with clean/dry surfaces and it's now totally fine.
i used silicone on mine, maybe thats why its burning oil??...
hmm but i dont have alot of oil on the plugs just build up
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Old 05-May-2011, 02:32 AM
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*** carbon build up
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Old 05-May-2011, 09:11 AM
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Originally Posted by iTaLiAn_vIrUs View Post
i used silicone on mine, maybe thats why its burning oil??...
hmm but i dont have alot of oil on the plugs just build up
That won't cause it to burn oil.

Your valve seals are probably worn out, just like mine...lol.
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Old 05-May-2011, 09:12 AM
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Originally Posted by jdm_416 View Post
thanks guys!

do you know if the valve cover bolts needed to be torqued to a specific tightness or can i just tighten them up nice and snug and im good?
Yes they should be torqued. They are easily over-tightened and break, so be carefull.
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Old 05-May-2011, 12:30 PM
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Originally Posted by MPR View Post
Yes they should be torqued. They are easily over-tightened and break, so be carefull.
i broke one when i put mine back on. it pissed me off but im not gonna take off the cover just for that. so ya take it slow
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Old 05-May-2011, 02:40 PM
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thanks guys!
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