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Does this hole in the cylinder head belong there? 900 1994

posted by  rwlms on  Mon Oct 17 15:30 CST 2016
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last visit: Thu Oct 6 08:20 CST 2011
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After removing a leaking cam seal I noticed two things. 1) a half dozen small metal shavings behind the seal and 2) a rather jagged hole under the cam, which you can see circled in the photo at http://rwlms.com/B230F-cam-front.jpg.

I'm no ace mechanic, so I've got to ask: Is that hole supposed to be there? Doesn't exactly look like a Volvo precision cut. And the metal shavings? Could they be leftovers from the manufacturing process? Engine has about 150k miles.

Thanks!

Roger








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    Does this hole in the cylinder head belong there? 900 1994

    posted by  someone claiming to be Jim on  Mon Oct 17 17:12 CST 2016 [RELATED]

    There should be a hole there to drain oil from behind the camshaft seal. As far as metal shavings if they are in a spot where they would be trapped-they might be from the manufacturing process.

    Jim








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    Does this hole in the cylinder head belong there? 900 1994

    posted by  j.pelchat on  Mon Oct 17 17:03 CST 2016
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    last visit: Fri Oct 24 07:02 CST 2014
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    when I had the head off on the 240 some years ago I remember there being a jagged hole in that area. I was worried at first but there was no way it was any but a casting. Quoting from my post 10 years ago " The hole is in front of the 1st bearing surface and directly behind the seat for the cam seal"

    And here's the old post
    https://www.brickboard.com/RWD/index.htm?id=1121594&show_all=1
    --
    89 240 wagon, 94 940, 215K, 94 940, 141K








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    Does this hole in the cylinder head belong there? 900 1994

    posted by  someone claiming to be Jim on  Mon Oct 17 16:45 CST 2016 [RELATED]

    There should be a hole there to drain oil from behind the camshaft seal. As far as metal shavings if they are in a spot where they would be trapped-they might be from the manufacturing process.

    Jim







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