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In a message dated 2/14/03 4:43:50 PM Eastern Standard Time, [EMAIL PROTECTED] writes: > I apparently have an oil leak from the through stud on the > crankcase on a C-85. Does anyone have experience or knowledge on how to fix > this? Do I have to pull both cylinders, or can the leak be fixed without > cylinder removal? Caution!!! Most C85s do not have any true through studs. The latest cases have true through studs between the cylinders. All others anchor the studs by threading them into the opposite case half. A leak at one of these can be caused by loss of clamping pressure on one of the studs. Loss of clamping pressure on the center main bearing is often the result of a prop strike that cracks the case around the threaded end of the stud. So, which stud is it that's leaking? John ========================================================================== ==== To leave this forum go to: http://ercoupers.com/lists.htm Search the archives on http://escribe.com/aviation/coupers-tech/
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