help needed with 904

j par said
So getting things cleaned up here and I'm not liking the top pressure plate. It seems to be depressed more in the center than on the outer edges? Not warped but I'm not sure if it's supposed to be that way and like not reversible? I know everyone's going to kill me for throwing that back in there a but I'm not spending more money! Okay so now I'm about to clean up the last five parts and put the new seals in and restock everything period I better start soaking the clutches. I'm assuming the drum that has the snap ring I can leave alone because I don't believe there's any more seals under there? This is where you speak up or hold your peace LOL okay back to cleaning those parts and then I'll check if I got any answers if not I'm just going to go for it. Oh yeah and that checkpoint check ball that I'm pointing at what's that all about? I'm leaving it in there just cleaning it up.
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If the pressure plate is not flat against a sheet of glass on at least the clutch side, throw it away; it will make big trouble.
Both clutch packs have hydraulic pistons in them.
The best way to install those pistons back into the bores is with a generous application of silicon O-ring lubricant, and a very small SS wire tool. The feeler gauges will often cut the new seals, and there is only one correct one of each in the kit. If you do not use the silicon, I will try not to laugh when your clutch packs fail the pressure test.The silicon goes on all,ALL, the pertinent faces, both the metal and the rubber. It can be done without the silicon, but for me there was a bit of frustration involved with the learning curve.