Front ABS Wheel-Speed Sensor Removal Note

Remove the brake hose installation bolt shown below, then remove the brake hose bracket from the shock absorber.
Remove the ABS wheel-speed sensor installation bolt, then remove the ABS wheel-speed sensor from the steering knuckle.

Fig 1: Identifying Bolts
Courtesy of MAZDA MOTORS CORP.
Remove the bolts and nuts shown below, then disconnect the steering knuckle from the shock absorber.

Fig 2: Identifying Nuts
Courtesy of MAZDA MOTORS CORP.
While pressing the tabs (2 locations) of the ABS wheel-speed sensor wiring harness clip (shock absorber side), remove the ABS wheel-speed sensor wiring harness from the shock absorber.
Remove the ABS wheel-speed sensor wiring harness grommet from the shock absorber.
Remove the ABS wheel-speed sensor.

Fig 3: Removing ABS Wheel-Speed Sensor Wiring Harness Grommet From Shock Absorber
Courtesy of MAZDA MOTORS CORP.
Install the steering knuckle to the shock absorber, insert the bolts from the direction shown as follows, then tighten them to the specified torque.
- Vehicle left side: Insert the bolts from the vehicle rear.
- Vehicle right side: Insert the bolts from the vehicle front.
  
  Fig 4: Shock Absorber Mounting Bolts And Nuts With Torque Specification
  Courtesy of MAZDA MOTORS CORP.
Install the brake hose bracket to the shock absorber, then tighten the bolt to the specified torque.

Fig 5: Brake Hose Bracket, Mounting Bolts And Nuts With Torque Specification
Courtesy of MAZDA MOTORS CORP.