Disc Caliper: Disassembly
- Clean exterior of caliper with denatured alcohol and place on a clean work surface. Remove brake shoe and discard copper gasket. Drain fluid from caliper.WARNING: DO NOT attempt to catch or protect piston with fingers while applying compressed air. Injury may result. Always use eye protection when performing this step.
- Using clean shop towels to pad interior of caliper, apply just enough clean compressed air to caliper inlet so piston will ease out of bore.
- Using a screwdriver, pry boot out of caliper. Pry piston and seal from caliper using a piece of wood or plastic. DO NOT use a metal tool as bore may be damaged requiring caliper replacement. Remove bleeder valve from caliper.