933f caterpillar clutch packs

I finally have the machine torn down to get to the pinion gear and shaft. I have the clutch packs off the machine and wondering how to tell if they need replacement. How can I tell how badly they're worn? Also since I'm this deep into the machine, what other parts would you recommend replacing now . Seals,bearings, etc.
Thanks for your time!

With 12 plates and 12 discs new should measure 2.832 to 3.132 in.
Minimum thickness (worn) is 2.59 in.

Thank you Old Magnet.
I'll get to doing some measuring!