F 150 4WD Pickup V8-5.4L CNG VIN M (2001)
Brake Master Cylinder: Service and Repair
Disassembly and Assembly
Disassembly
WARNING: Use of any other than approved DOT 3 brake fluid will cause permanent damage to brake components and will render the brakes
inoperative.
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.
CAUTION: Brake fluid is harmful to painted or plastic surfaces. If brake fluid is spilled onto a painted or plastic surface, immediately wash it with
water.
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 equipped, remove the brake pressure switch.
5. Remove the brake master cylinder fluid control valve.
6. Remove the primary piston assembly.
