Front Wheel Speed Sensor: Removal

This procedure is for the removal and installation of one of the two front wheel speed sensors.

1. Raise vehicle on jack stands or centered on a frame contact type hoist.
2. Remove the tire and wheel assembly from the vehicle.
3. Remove the speed sensor cable routing bracket (Fig 1 ) from the steering knuckle. Remove the wiring harness sealing grommet retainer and speed sensor routing bracket from the inner fender.
   Fig 1: Identifying Speed Sensor Cable Routing

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4. Remove speed sensor sealing grommet from the inner fender (Fig 2 ). Then unplug the speed sensor cable from the vehicle wiring harness (Fig 2 ).
   Fig 2: Removing Speed Sensor Sealing Grommet From Inner Fender

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5. Remove bolt (Fig 3 ) attaching speed sensor to steering knuckle. Then remove speed sensor head from steering knuckle
   Fig 3: Identifying Speed Sensor Head Attachment To Steering Knuckle

   Courtesy of DAIMLERCHRYSLER CORP.
   CAUTION: If speed sensor head locating pin has seized to the steering knuckle, do not attempt to remove speed sensor head by grasping with pliers and turning. This will damage the speed sensor head. Use only the following procedure.
6. If speed sensor head can not be removed from steering knuckle by hand, the locating pin on the speed sensor head has seized to the steering knuckle do to corrosion. Remove speed sensor head from steering knuckle using the following procedure. Remove disc brake caliper from steering knuckle, and remove brake rotor from hub/bearing assembly. Then insert a pin punch through hole in front steering knuckle (Fig 4 ) and tap speed sensor head locating pin out of steering knuckle.
   Fig 4: Removing Speed Sensor Head

   Courtesy of DAIMLERCHRYSLER CORP.