GM: Electra/Park Avenue/Ninety-Eight 1990-1993

Wheel Speed Sensor

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Fig. Fig. 1 Front wheel speed sensor



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Fig. Fig. 2 Rear wheel speed sensor

REMOVAL & INSTALLATION



Front
  1. Disconnect the negative battery cable.
  2.  
  3. Raise and safely support the vehicle. Remove the tire and wheel assembly.
  4.  
  5. Disconnect the wheel speed sensor electrical connector.
  6.  
  7. Remove the front hub and bearing assembly.
  8.  
  9. Pry the wheel speed sensor slinger off, using a screwdriver. Discard the old slinger.
  10.  
  11. Remove the sensor by gently prying the bearing assembly off.
  12.  

To install:

  1. Apply locking fixative to the groove in the outer diameter of the bearing hub.
  2.  
  3. Using tool J-38764 or equivalent and a press, install the sensor.
  4.  
  5. Install the hub and bearing assembly and connect the sensor connector.
  6.  
  7. Install the tire and wheel assembly and lower the vehicle.
  8.  
  9. Connect the negative battery cable.
  10.  

Rear
  1. Disconnect the negative battery cable.
  2.  
  3. Raise and safely support the vehicle. Remove the tire and wheel assembly.
  4.  
  5. Disconnect the wheel speed sensor electrical connector.
  6.  
  7. Remove the rear hub and bearing assembly.
  8.  
  9. Remove the Torx screws and remove the sensor.
  10.  

To install:

  1. Install the sensor with O-ring intact.
  2.  
  3. Install the Torx screws and tighten to 33 inch. lbs. (3.7 Nm).
  4.  
  5. Install the hub and bearing assembly.
  6.  
  7. Connect the wheel speed sensor electrical connector.
  8.  
  9. Install the tire and wheel assembly and lower the vehicle.
  10.  
  11. Connect the negative battery cable.
  12.  

 
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