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engine block question


pjoe

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I removed the copper washer,ball and spring for the oil filter in preperation for the machine shop to hot tank block. Is this what you guys do or do most people leave these in the block?

Brian

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Removing the valve is a good idea, it allows the tank solution to circulate thoroughly.

However, you should also remove the soft plugs from the front and rear faces of the block for the main oil gallery.

Remove one plug by drilling through it, threading the hole and insert the appropriate bolt.

Then lever under the bolt head with a flat lever, king size screwdriver etc.

Protect the block with a scrap of wood.

The plug will come out fairly easily.

To remove the remaining plug I use a length of steel rod.

Slip it into the open end of the gallery and tap the rod with the percussion device.

Be careful not to spear the next door neighbor.

The plugs and valve are cheap to replace, Nissan used zillions of them in all kinds of engines.

Edited by Nissanman
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Yes, I've never had any problems getting the soft plugs or the pressure relief valve.

The valves I have seen and used are a self contained device with a spring loaded ball captive in it.

You just slip the new valve into the hole in the oil filter boss in the block and gently tap it home.

Yours is I gather something like this attachment, later versions are, as I say, a self contained device ;)

post-13952-14150814506145_thumb.jpg

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