Front Wheel Speed Sensor

Fig 1: Front Wheel Speed Sensor Replacement Components With Torque Specifications

Courtesy of MAZDA MOTORS CORP.

With the vehicle in NEUTRAL, position it on a hoist. See LIFTING .
NOTE:
- The electrical connector is located in the engine compartment.
Disconnect the electrical connector.
Remove the grommet from the body.
- When removing the body grommet, rotate the grommet into a position which allows the use of a small screwdriver to release the tabs on the underside of the body grommet. These 2 tabs are located at right angles to the sensor wire.
  CAUTION:
  - Care must be taken during the removal of the grommet to prevent damage. If the grommet is damaged, a new sensor may need to be installed, even though the sensor is functional in all other aspects.
Remove the front wheel speed sensor harness from the retainer.

Fig 2: Removing Front Wheel Speed Sensor Harness From Retainer
Courtesy of MAZDA MOTORS CORP.
Remove the front wheel speed sensor harness-to-body bolt.
- To install, tighten to 9 N.m {0.9 kgf.m, 80 in.lbf}.
Remove the front wheel speed sensor harness bolt.
- To install, tighten to 15 N.m {1,5 kgf.m, 133 in.lbf}.
Remove the front wheel speed sensor bolt from the wheel knuckle.
- To install,, tighten to 9 N.m {0.9 kgf.m, 80 in.lbf}.
  NOTE:
  - Clean off any foreign material that may have collected around the sensor before removal.
Remove the front wheel speed sensor.
To install, reverse the removal procedure.
NOTE:
- Thoroughly clean the mounting surface.