help needed with 904

It was 4 clutches in three metal plates right!? Oh yeah and here's a picture of a little mini feeler gauge that I have that I believe I can use to work the seals in speaking of which there are some that are extremely extremely close inside and I have to get out a magnifying glass and start reading numbers on the seals to make sure period even pulled out a micrometer on one oddly enough20170502_133845.jpg