Flush but all you are doing is changing where the wipe makes contact with the shaft. The seal(s) may be warn enough that this is only a temporary fix. It would be best to replace the seals. And while there on each check for bearing movement. Those seals usually out-live the engine's life.I took it to the mechanic today and he pressed the seal in a little further on the primary clutch. Took it out this afternoon and noticed the secondary was the one leaking. How far should I press the seal in? Till it bottoms out?