ABS Components

Front Wheel Speed Sensor Removal

• · Place wheel chocks behind the rear wheels, then raise the front of the vehicle with a jack and support it on stands. Remove the wheel.
• · Remove the front wheel arch liner and disconnect the sensor wire connector. Remove the bolts or release the clips securing the sensor wire to the suspension parts.
• · Remove the bolts securing the sensor to the steering knuckle and remove the sensor.

Rear Wheel Speed Sensor

Rear Wheel Speed Sensor Removal

• · Place wheel chocks in front of the front wheels, then raise the rear of the vehicle with a jack and support it on stands. Remove the wheel.
• · Remove the bolt securing the sensor to the axle carrier and the bolt securing the wire clamp bracket to the wheel arch.
• · Release the wires and the rubber grommet at the point where the wires enter the wheel arch.
• · Remove the rear seat cushion and seatback.
• · Trace the wiring to the connector inside the passenger compartment and disconnect the connector.
• · Pull the wire through the opening and remove the sensor from under the wheel arch.

Electronic Control Unit Removal

• · Wipe the area around the control unit connector with a clean cloth and disconnect the connector.
• · Remove the three mounting screws and remove the unit.

Hydraulic Modulator Removal

• · Disconnect the negative battery cable.
• · On left-hand drive models, remove the master cylinder.
• · Wipe all brake lines and the modulator housing clean. Remove the flare nuts and disconnect the lines from the modulator. Place rags under the lines to catch spilled fluid. Mark the lines for correct reinstallation.
• · Mark the modulator electrical connectors and disconnect them.
• · Remove the bolts securing the modulator bracket and remove the modulator together with the bracket.

Installation

Install in the reverse order of removal, observing the following:

- Before installation, clean the sensors and their mounting locations. Clean the pulse rings with a stiff brush. - After installing the modulator, bleed the system.