Rear ABS Wheel Speed Sensor: Removal

Disconnect the ground cable from battery.
Disconnect the connector from the rear ABS wheel speed sensor.

Fig 1: Identifying Rear ABS Wheel Speed Sensor Connector
Courtesy of SUBARU OF AMERICA, INC.
Remove the sensor harness clamp of the rear sub frame.

Fig 2: Identifying Sensor Harness Clamp Of Rear Sub Frame
Courtesy of SUBARU OF AMERICA, INC.
Remove the bolts and then remove the sensor harness bracket from the upper arm.

Fig 3: Locating Upper Arm Sensor Harness Bracket Bolts
Courtesy of SUBARU OF AMERICA, INC.
Remove the bolts, and remove the rear ABS wheel speed sensor from the rear axle.
CAUTION:
- Be careful not to damage the sensor.
- Do not apply excessive force to the sensor harness.
  
  Fig 4: Locating Rear ABS Wheel Speed Sensor Bolt
  Courtesy of SUBARU OF AMERICA, INC.