Remove the pin boot and retainer from the bracket.
Remove the pin boot and pad spring from the caliper body.
Remove the bolts and caliper body B.
Place a shop towel over the pistons. Position the caliper body with the piston down and apply small squirts of air pressure to the fluid inlets to remove the pistons.
Do not use high pressure air or bring the nozzle too close to the inlet.
Push the dust seals and piston seals in and lift them out.
Clean the seal grooves, caliper pistons and caliper piston sliding surfaces with clean brake fluid.
Be careful not to damage the piston sliding surface.