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Where is this oil leak coming from?

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Old Jan 12, 2021
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Where is this oil leak coming from?

I've replaced the cylinder head plug (part number 12513-P72-003), valve cover gasket (part number 12341-PLC-000), and rear main seal (part number 91214-PLE-003). I can't think of any other seal that would cause an oil leak this high on the engine. Maybe I didn't replace the rear main seal properly? If anyone has any input to what they think it is I'd really appreciate it, thanks.
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Old Jan 12, 2021
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Re: Where is this oil leak coming from?

it's in between block and head.
so, start from there and go up. (we have not seen the sides or back of the engine)
if nothing up, then it's where it is accumulating
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Old Jan 12, 2021
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Re: Where is this oil leak coming from?

Thanks for the reply @sdaidoji . After looking more closely it doesn't look like it goes any higher. Looks like it's coming from around here right?



which would probably correspond to here:



It's probably the head gasket isn't it...
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Old Jan 12, 2021
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Re: Where is this oil leak coming from?

most likely
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Old Jan 13, 2021
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Re: Where is this oil leak coming from?

If it's not too bad you can adjust the oil. 10w30 will be much thicker cold , but close enough to 20 (5w20) while hot.

from least to most severe
-Lucas stop leak
-10w30
-10w30 with Lucas.
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Old Jan 15, 2021
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Re: Where is this oil leak coming from?

OP are you sure the new cam cap seal is sealing correctly? Did you add any RTV to that seal?
If the PCV valve is clogged that could possibly cause a leak in that area as well.
Use a de-greaser or brake spray and rag and clean that area up as best as possible to help isolate the leak.
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