4 piston calipers question

OK, This is where one of those Motor Cycle Brake Caliper Piston Slide Hammer tool set comes in handy.

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You place one of your brake caliper halves it in a vise on a table or bench. Find the expander piece that best fits (in my set I think it was size 27?) Assemble the slide hammer set up loosely, insert the expander piece into the hollow part of the piston and tighten up the slide hammer set up.

Making sure the caliper half is securely held in your vise and the vise doesn't move, start slide hammering until it pops out. It might take a few pretty good hits to pop out but they will. It also might be kind of messy, so take that into account with some rages or whatever you choose to keep that to a minimum. Did this on several sets and it worked great.

Good luck