I am assuming that you are talking about the front main seal hiding
behind the flywheel.
I use a sheet metal screw and thread it into the seal surface that you
see, then use leverage of various types to pull the seal out, it might
require two or three attempts to pull the seal. By leverage I mean pliers
or other tool to grip the sheet metal screw head to pull on. Often a
simple long blade screwdriver rested on the crank end will start it
moving and you will not need the screw.
Stick your end play shims together and to the crank end with heavy grease
so they stay put when you whack that seal in. (the stack order is not
important)
The seal should seat at about 1/16" below the aluminum case surrounding
it.
Clean any oil residue and try to seat the new seal in a dry case. A
little gasket sealer around the perimeter can act as a lubricant and make
it set into the case easier but sealer is not required.
Try to use multiple locations as pressure points and try to keep the seal
going in relatively flat and not hard binding at an angle.
The flywheel O ring goes inside the flywheel in the area that seats
around the crank shaft end. You'll need something like an ice pick to
pull the old one out. The new seals are covered with graphite and most
often do not require any lube.

Stan Wilder

On Tue, 1 Apr 2003 20:39:25 -0800 John Runberg <jrunberg@MAC.COM> writes:
> Bentley says to "pry gently with a screwdriver" but nothing more. Can
> anyone enlighten me? Size of screwdriver? Pry on the inside edge,
> right? I've tried a little, but nothing moves and I'd rather fid the
> right way to do it before I break something.
>
> Also, I have a new O-ring, howver have no idea where the thing goes.
> I'm assuming it's hiding under the main seal?? If not, where?
>
> (at least it's warm tonight)
>
> john
>
>

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