F 150 2WD Lightning V8-5.4L SOHC SC VIN 3 (2001)
1
Depress the primary piston and remove the snap ring.
2
Remove and discard the primary piston assembly.
7. Remove the secondary piston assembly.
1
Plug the rear outlet port and, if necessary, plug the brake pressure switch port.
2
Apply compressed air into the front outlet port and remove the secondary piston assembly and discard.
8. NOTE: If the brake master cylinder bore is damaged, the brake master cylinder must be installed new.
Use isopropyl alcohol to clean and inspect the brake master cylinder bore for damage
Assembly
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. Use clean High-Performance DOT 3 Brake Fluid C6AZ-19542-AB or equivalent DOT 3 fluid meeting Ford specification ESA-M6C25-A, to
lubricate the new piston assembly seals.
