Gentelmen


I have attached a picture of what I saw when I removed my Intake manifold to replace the left cylinder head. I'm removing the head gasket to fix what I thought was an oil leak from the cylinder head. I was expecting to find about a 1/2" puddel of oil under the intake manifold but as you can see its only wet.

However I did find what appeares to be a drain hole in the back and I am wondering if someone could confirm that this is a drain hole. I have poked in it with a wire and it appeares to dead end. If it is a drain hole this is probably why I dont have a puddel.

There does appear to be some resemblence of oil leaking in here but a lot less than what I have been finding on the floor of my garage. I would hate to pull a head for nothing.

Thank You
John Roncallo

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The head can still be leaking from the back.I think that is the most common leak point for the cyl heads(but leaks are not common) There can be a leak from inside the bellhousing from the sealing plugs in the back of the engine block. (and of course the rear main seal.)

Yes, that is a drain hole.

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2000 BMW 740IL
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89 560SL

Good I feel much better about removing it now.

Thank You
John Roncallo