Disc Brake Caliper: Disassembly
WARNING: This page is about a different car, the 2000 Isuzu Hombre and 1999 Isuzu Hombre. However, it is still accessible from the selected car via links, so may be relevant.
Remove bleeder valve and drain brake fluid. Remove piston dust boot. See Figure . Place wood block between piston and caliper wall. Using compressed air, force piston from caliper bore. Remove piston seal ring.