Antilock Brakes / Traction Control Systems: Service and Repair

Removal and Installation

CAUTION: Be careful not to damage sensor edge and sensor rotor teeth. When removing the front or rear wheel hub assembly, first remove the ABS wheel sensor from the assembly. Failure to do so may result in damage to the sensor wires making the sensor inoperative.

WHEEL SENSORS
SENSOR ROTOR

Removal







1. Remove the drive shaft and rear wheel hub. Refer to "Drive Shaft" and "Wheel Hub".
2. Remove the sensor rotor using suitable puller, drift and bearing replacer.

Installation
Install the sensor rotor. For front sensor rotor, use hammer and wooden block. For rear sensor rotor, use suitable drift and press.




- Always replace sensor rotor with new one.




- Pay attention to the dimension of rear sensor rotor as show in figure.
h: 12.5 - 13.5 mm (0.492 - 0.531 in)

CONTROL UNIT
Location: Driver side dash side lower.




- Make sure that the sensor shield ground cable is secured with lower mounting bolt.

ACTUATOR
Removal




1. Disconnect battery cable.
2. Drain brake fluid. Refer to "Changing Brake Fluid".
3. Remove air cleaner and duct.
4. Apply different colored paint to each pipe connector and actuator to prevent incorrect connection.
5. Disconnect harness connectors, brake pipes and remove fixing nuts and actuator ground cable.

Installation

CAUTION:
- After installation, refill brake fluid. Then bleed air. Refer to "Bleeding Brake System".

1. Temporarily install actuator on the bracket.
2. Tighten actuator ground cable.
3. Connect brake pipes temporarily
4. Tighten fixing nuts.
5. Tighten brake pipes.
6. Connect harness connectors and battery cable.
7. Install air cleaner and duct.