F 250 4WD Super Duty V10-6.8L VIN Z CNG (2003)
Brake Master Cylinder: Service and Repair
Disassembly and Assembly
Master Cylinder
Disassembly
WARNING: Brake fluid contains polyglycol ethers and polyglycols. Avoid contact with eyes. Wash hands thoroughly after handling. If
brake fluid contacts eyes, flush eyes with running water for 15 minutes. Get medical attention if irritation persists. If taken internally, drink
water and induce vomiting. Get medical attention immediately.
1. Remove the brake master cylinder.
2. Clean the outside of the brake master cylinder.
3. Remove the brake master cylinder filler cap and drain the remaining brake fluid.
4. If so equipped, remove the brake pressure switch.
5. Remove the primary piston assembly.
1. Depress the primary piston and remove the snap ring.
2. Remove and discard the primary piston assembly.
