Master Cylinder: Inspection
WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 2004 Ford RV Cutaway, 2004 Ford Econoline, 2004 Ford E450 Super Duty, 2004 Ford Cutaway, and 2003 Ford RV Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Manufacturer does not recommend honing cylinder bore.
Clean all parts with isopropyl alcohol and blow dry with compressed air. Ensure all ports and vents are open and free of foreign matter. Inspect master cylinder bore and all parts for excessive wear or damage. If bore is damaged, replace master cylinder.