Eh, it did not seem too complicated to get out the old seals...just use a small flat screwdriver. Came right out for me.
As far as the getting the crank pulley off: you already got it off, no?
So what is your Q with that?
I just used an impact gun on my crank pulley bolt.
I had to keep that gun on there for some time but it worked.
In my experience the crank pulley just slid off with out a great deal of force.
Actually, I took two 7M crank pulleys off and I did not need a puller for either of them. One, as I said, slid off with my hands. The other I had to tap it with a hammer a bit--NOT bash it because that will break the pulley.
So from two experiences:
the seals came off with just a flat screw driver
and I did not need a puller for the crank pulley
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