Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

Oil Leak in corner of head cam gear side.

 
Old 07-08-2019, 08:55 PM
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Default Oil Leak in corner of head cam gear side.

So I just finished replacing head gasket and all the seals on my Cylinder head on my built turbo 2000 civic si. I noticed and oil leak where the head meets the block on timing belt side. I know thereís a common leak from these from the tranny corner side but this is opposite side. I looked up it could be my cam seals but those were replaced and brand new. I used a cometic head gasket (no copper spray) and torqued everything to spec ( headgasket isnít upside down). I am not experiencing any other head gasket symptoms car runs great. I just noticed a slight leak in that corner after 30 mins of idling. Not sure where I should start.


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Old 07-08-2019, 09:23 PM
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Default Re: Oil Leak in corner of head cam gear side.

Can you post a pic?

Any chance the leak is actually originating from the valve cover gasket?

Did you use a precision straight edge to verify that the head and block mating surfaces were flat to spec?
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Old 07-08-2019, 11:12 PM
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Default Re: Oil Leak in corner of head cam gear side.

did you bother to remove the cover to confirm it is/ isn't there cam seal?
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Old 07-09-2019, 06:17 AM
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Default Re: Oil Leak in corner of head cam gear side.


So usually there is oil built up on the little corner ridge which is strange and then also on the flat corner where they meet. Car runs great and builds and holds boost. I havenít pulled the cover off to check the cam seal yet but I donít see any oil marks running down the head casting that would lead to a cam seal. Confused and frustrated. Things like this bother me. I like it perfect lol.
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Old 07-09-2019, 07:03 AM
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Default Re: Oil Leak in corner of head cam gear side.

Cam seal wouldn't leak down that way. Did you torque the head bolts to spec, in the order they specified in the FSM?

also ....brah....details on the engine/car...
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Old 07-09-2019, 07:28 AM
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Default Re: Oil Leak in corner of head cam gear side.

Had a similar issue with a b20 swap. Had to order a new headgasket, pull the head, check for warpage, copper spray the new headgasket retorque to spec and order per FSM. All was gravy afterwards. I doubt I needed the copper spray but its small insurance.
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Old 07-09-2019, 08:50 AM
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Default Re: Oil Leak in corner of head cam gear side.

Itís a fully built b16 head and fully built b16 block. Head was fresh resurfaced and I torqued everything to spec with brand new arp head studs. Iím using a cometic head gasket. If the headgasket was the issue wouldnít the car run crappy and have all the symptoms to a bad gasket. Where would it leak if itís the cam seal?
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Old 07-09-2019, 09:00 AM
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Default Re: Oil Leak in corner of head cam gear side.

What doesnít make sense is the oil builds up on that little ledge on the head as well.

The oil builds up where itís circled in green too.
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Old 07-09-2019, 09:15 AM
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Default Re: Oil Leak in corner of head cam gear side.

Oil might be originating from above the ridge. Can you find an oil trail and follow it?
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Old 07-09-2019, 09:27 AM
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Default Re: Oil Leak in corner of head cam gear side.

clean it up monitor
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Old 07-09-2019, 09:33 AM
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Default Re: Oil Leak in corner of head cam gear side.

I donít see an oil trail from above. I will clean it up and monitor it and get back to you later.
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Old 07-09-2019, 06:45 PM
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Default Re: Oil Leak in corner of head cam gear side.

Soo clean it off and drove the car around my block let it get hot and noticed it was pooling up on the corner thatís circled in previous pic and on the meeting surface for head and block. Not sure where I should start before I replace headgasket again. Might drive it for a while and monitor oil. Not a terrible leak but would like to get it addressed.
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Old 07-09-2019, 08:34 PM
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Default Re: Oil Leak in corner of head cam gear side.


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Old 07-09-2019, 08:35 PM
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Default Re: Oil Leak in corner of head cam gear side.

sounds like you don't have to go far for it to happen. Did you by chance replace your valve cover gasket as well?
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Old 07-10-2019, 04:33 AM
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Default Re: Oil Leak in corner of head cam gear side.

Yes valve cover replaced as well. I noticed it will leak over night without driving it. Whatís the baby powder method?
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Old 07-10-2019, 05:00 AM
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Default Re: Oil Leak in corner of head cam gear side.

Originally Posted by boostedblue23 View Post
Yes valve cover replaced as well. I noticed it will leak over night without driving it. Whatís the baby powder method?
Itíll stick to the moist places and show you the oil trail.
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