Master Cylinder: Disassembly
- Clean outside of master cylinder. Remove caps or cover diaphragm assembly. 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. See Figure
.
- Press primary piston inward and remove stop bolt or snap ring. Remove primary piston assembly. Apply compressed air to furthest back bleeder screw hole and remove secondary piston assembly.
Courtesy of FORD MOTOR CO.