Master Cylinder: Disassembly
- Clean outside of master cylinder. Remove fluid reservoir cap. Remove brake fluid level indicator (if equipped). Pump and drain all brake fluid from master cylinder. Clamp master cylinder in vise at mounting flange. Remove plastic reservoir and grommets on 2-piece master cylinders.
- On diagonal-split master cylinder, remove fluid control valve using a 12-mm socket.
- On all master cylinders, press primary piston inward and remove stop bolt or snap ring. Remove primary piston assembly. Apply compressed air to farthest back bleeder screw hole and remove secondary piston assembly.