Explorer 2WD V6-245 4.0L VIN X SFI (1999)
10. Loosen a brake outlet tube at the 4WABS Hydraulic Control Unit (HCU).
11. NOTE: Refill the brake master cylinder reservoir as necessary.
Have an assistant depress and hold the brake pedal.
12. Tighten the outlet tube fining at the HCU.
13. Repeat the above three steps until no air bubbles are seen in the expelled brake fluid.
14. Repeat the above four steps for the remaining master cylinder outlet tube.
15. Connect one end of a flexible tube to the master cylinder bleeder screw. Submerge the other end in a container partially filled with the specified
brake fluid.
16. Have an assistant pump and then hold firm pressure on the brake pedal.
