In a message dated 7/16/00 9:41:34 PM Eastern Daylight Time, 
[EMAIL PROTECTED] writes:

> I have an oil leak in my C90. I have already ruled out the 
>  crankshaft seal, and the fuel pump gasket.
>  
>  I appears to be coming from somewhere just above the intake
>  manifold spider.
>  
The mating surfaces of the case are up there.  Also, the rubber sleeves
that 
connect the pushrod tubes to the case can leak.  Best approach is to
remove 
the baffling under there and clean it off real good then run it again.  If

you can cover the area with talc, any oil will leave a trail back to the 
source.

Once you locate the leak, there's no substitute for fixing it right.  If
the 
case seam leaks, you'll probably have to split it to correct it.  If you 
ignore it, you won't know how bad off it is.  The case could be fretting
due 
to a failed center main bearing web (worst case).

John

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