How to Replace an ABS Controller in a Ford Mustang

The Ford Mustang has an anti-lock braking system (ABS) controller that reduces the braking force to any wheel that is rotating significantly more slowly than the others. This prevents the brakes from locking during an emergency stop. You may need to replace the ABS controller if the ABS warning light comes on, although this does not necessarily make your vehicle unsafe to drive.

Instructions

1

Determine which ABS controller your Ford Mustang will need. You'll want to be sure the new controller is compatible with your make and model of Mustang. ABS was first featured on the fourth generation models that were introduced in 1994. These models integrate the ABS controller and hydraulic control unit into a single assembly.

2

Disconnect the battery ground cable with a socket wrench and remove the air cleaner assembly for 2005 and later models. Detach the brake lines from the hydraulic control unit and remove the bracket nuts for the hydraulic control unit with a socket wrench.

3

Remove the hydraulic control unit from the vehicle and pull out the electrical connector for the pump motor. Use a socket wrench to take out the Torx head screws from the cover on the hydraulic control unit. Detach the 4-pin and 15-pin connectors and separate the ABS controller from the hydraulic control unit.

4

Install the ABS controller by sliding it onto the hydraulic control unit over the ground post. Attach the 4-pin and 15-pin connectors and tighten the Torx retaining screws with a socket wrench.

5

Mount the hydraulic control unit into the vehicle. Use a torque wrench to tighten the bracket nuts for the hydraulic control unit to 13 feet lbs. Connect the electrical connector for the pump motor and torque the brake line fittings to 14 feet lbs.

6

Install the air cleaner assembly if you have a 2005 or later model and connect the negative battery cable with a socket wrench.