F 150 2WD Pickup V8-5.4L Prop SOHC VIN Z (1998)
6. Remove the primary piston assembly.
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. Use isopropyl alcohol to clean and inspect the brake master cylinder bore for damage.
NOTE: If the brake master cylinder bore is damaged, the brake master cylinder must be replaced.
ASSEMBLY
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 IS
MINUTES. GET MEDICAL ATTENTION IF IRRITATION PERSISTS. IF TAKEN INTERNALLY, DRINK WATER AND INDUCE
VOMITING. GET MEDICAL ATTENTION IMMEDIATELY.
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.
