Astro, Safari 1997-2005

Wheel Speed Sensor Rotors (Toothed Rings)

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Removal & Installation



The front wheel speed sensors are replaceable only as part of the wheel hub and bearing assemblies. Any imperfections in the toothed ring, such as a missing or damaged tooth, can cause an inaccurate WSS signal.

Front
4wd Vehicles

There are two basic styles of front wheel sensor, integral and non-integral. The integral sensor is mounted in the hub bearing assembly, while the non-integral is mounted on the backing plate.

 
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