Ford Mustang (1999-2004) Service Manual: Four Wheel Anti-Lock Brake System (4WABS) Hydraulic Control Unit (HCU)

NOTE: This procedure only needs to be performed if the 4-wheel anti-lock brake (4WABS) hydraulic control unit (HCU) has been installed new or if the HCU lines have been opened.

1. Clean all dirt from and remove the brake master cylinder filler cap (2162), and fill the brake master cylinder reservoir (2K478) with the specified brake fluid.

Bleeding - Components

2. Connect a clear waste line to the RH rear bleeder screw (2208) and the other end in a container partially filled with recommended brake fluid.

Bleeding - Components

3. Loosen the RH rear bleeder screw until a stream of brake fluid comes out. While the assistant maintains pressure on the brake pedal (2455), tighten the RH rear bleeder screw.

  • Repeat until clear, bubble-free fluid comes out.
  • Refill the brake master cylinder reservoir as necessary.

4. Tighten the RH rear bleeder screw, and disconnect the waste line.

Bleeding - Components

5. Repeat Steps 2, 3 and 4 for the LH rear bleeder screw, the RH front disc brake caliper (2B120) bleeder screw, and the LH front disc brake caliper bleeder screw, in that order.

Bleeding - Components

6. Connect the scan tool DCL cable adapter into the vehicle data link connector (DLC) under the dash, and follow the scan tool instructions.

Bleeding - Components

7. Repeat the system bleed procedure as outlined in Steps 1 through 5.

    Master Cylinder Priming - 4.6L
    1. CAUTION: Use only bleed screws on the engine side of the brake master cylinder (2140). The hydro-boost bleed screw, located near the dash on the hydro-booster casting, is for the booster ...

    Caliper
    1. NOTE: It is not necessary to do a complete brake system bleed if only the disc brake caliper (2B120) was disconnected. Place a box end wrench on the disc brake caliper bleeder screw (2208). ...

    Other materials:

    Generator - 4.6L 4V
    Removal and Installation 1. Disconnect the battery. For additional information, refer to Section. 2. Relieve the accessory drive belt tension and remove the belt from the generator pulley. 3. Raise and support the vehicle. For additional informat ...

    Fuel Vapor Control Tube Assembly Valve
    Removal and Installation 1. Remove the fuel tank. For additional information, refer to Section. 2. Remove the retainers. 3. NOTE: The fuel vapor vent valve, fuel vapor control valve and the in-line fuel tank pressure sensor are repaired as a fuel va ...

    Assembly
    1. NOTE: Lubricate direct clutch piston inner seal and seal protector with petroleum jelly. Using the special tool, install the inner piston seal. Install the seal with sealing lip facing down. 2. Install the clutch piston outer seal so that when the pis ...