Four Wheel Anti-Lock Brake System Hydraulic Control Unit
WARNING: This page is about a different car, the 2003 Ford Windstar and 2002 Ford Windstar. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
This procedure only needs to be performed if the 4-Wheel Anti-Lock Brake System (4WABS) Hydraulic Control Unit (HCU) has been installed new.
- Clean all dirt from and remove the brake master cylinder filler cap, and fill the brake master cylinder reservoir with the specified brake fluid.
- Connect a clear drain tube to the right rear bleeder screw and the other end in a container partially filled with recommended brake fluid. See Figure .
- Have an assistant pump the brake pedal and then hold firm pressure on the brake pedal.
- Loosen the right rear bleeder screw until a stream of brake fluid comes out. While the assistant maintains pressure on the brake pedal, tighten the bleeder screw. Repeat until clear, bubble-free fluid comes out. Refill the brake master cylinder reservoir as necessary.
- Tighten the bleeder screw.
- Repeat procedure for the left rear bleeder screw, the right front bleeder screw and the left front bleeder screw, in that order. See BLEEDING SEQUENCE .
- Connect the scan tool DLC cable adapter into the vehicle data link connector (DLC) under the dash, and follow the scan tool instructions for bleeding. Go to HELP menu on the scan tool. The Ford Service Function Card (FSF) must be used to get the help menu.
- Repeat the conventional bleed procedure in steps.