oil orifice 15b7 1994?

I am replacing the head gasket 1994 1.5L civic lx - shop manual says clean oil orifice located near intake side of block when looking from above - how
does this little part get removed? supposed to be an o-ring under it too.
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Rocky wrote:

If I remember correctly, the hole is threaded. Find a small metric screw that easily threads into it and pull it out. Sorry, I don't remember the exact thread pitch. You should also replace the o-ring before you put it back into the block.
Eric
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