Quote Originally Posted by Hindsight View Post
My calipers are two piece, and there are some o rings between them so I did those first. I put the seals on the pistons and pressed them in using wood blocks to help distribute load. After the were in past the seals, but not all the way, I added the boots and circlips, then pushed the pistons in the rest of the way. If any pistons have any oxidation on the sides, replace them. If the pistons are super tight, put them in the freezer for a half hour, and bake the calipers at 200 or so. They should go in easily then.
Hindsight--this response will undoubtedly prove invaluable--thank you. I figured a little oxidation on the pistons wouldn't hurt--now I'm not taking the chance. Apparently braking is "important" [citation needed]

The freezer/oven trick is brilliant. Thanks again, all.