Chrysler Neon 1995-1999 Repair Guide

Wheel Speed Sensors (WSS)

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TESTING



REMOVAL & INSTALLATION



Proper installation of the sensor and its wiring is critical to system function. Make certain that wiring is installed in all retainers and clips. Wiring must be protected from moving parts and not be stretched during suspension movements.

Front Wheel

See Figures 1, 2 and 3

  1. Disconnect the negative battery cable.
  2.  
  3. Elevate and safely support the vehicle. Remove the wheel and tire assembly.
  4.  
  5. Detach the speed sensor cable connector from the vehicle wiring harness. Remove the clip attaching the speed sensor cable connector to the vehicle body.
  6.  



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Fig. Fig. 1: Unplug the front wheel speed sensor cable connector from the wiring harness and remove the clip

  1. Unfasten the wheel speed sensor head-to-steering knuckle bolt.
  2.  



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Fig. Fig. 2: The front wheel speed sensor is secured with a mounting bolt

  1. Carefully remove the sensor head from the steering knuckle. Do not use pliers on the sensor head; if it is seized in place, use a hammer and small punch to tap the edge of the sensor ear. The tapping and side-to-side motion will free the unit.
  2.  
  3. Remove the speed sensor cable grommets from the retaining bracket. Remove the speed sensor cable routing clip from the frame of the vehicle.
  4.  

To install:
  1. Attach the wheel speed sensor cable connector to the vehicle wiring harness.
  2.  
  3. Install the speed sensor cable assembly grommets into the retaining bracket, then fasten the speed sensor cable routing clip onto the frame of the vehicle.
  4.  



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Fig. Fig. 3: Proper front wheel speed sensor cable routing

  1. Install the wheel speed sensor to the steering knuckle and tighten the retaining screw to 60 inch lbs. (7 Nm).
  2.  
  3. Install the tire and wheel. Lower the vehicle to the ground.
  4.  
  5. Connect the negative battery cable. Road test the vehicle to assure proper brake system operation.
  6.  

Rear Wheel

See Figures 4 and 5

  1. Disconnect the negative battery cable.
  2.  
  3. Elevate and safely support the vehicle. Remove the wheel and tire.
  4.  
  5. Unplug the speed sensor cable connector from the vehicle wire harness. Remove the clip attaching the speed sensor cable connector to the vehicle body.
  6.  



Click image to see an enlarged view

Fig. Fig. 4: Location of the rear wheel speed sensor connection to the vehicle wiring harness

  1. Remove the speed sensor cable routing bracket from underneath the rear brake hose mounting bracket. Then, remove the speed sensor cable from the routing clips on the rear brake hose and chassis brake tube.
  2.  
  3. Unfasten the bolt securing the rear wheel speed sensor to the disc brake adapter, then remove the cable routing bracket-to-rear strut bolt.
  4.  



Click image to see an enlarged view

Fig. Fig. 5: Rear wheel speed sensor head mounting and cable routing

  1. Carefully remove the sensor head from the adapter assembly. Do not use pliers on the sensor head; if it is seized in place, use a hammer and small punch to tap the edge of the sensor ear. The tapping and side-to-side motion will free the unit.
  2.  

To install:
  1. Before installation, coat the sensor with high temperature multi-purpose grease.
  2.  
  3. Install the sensor head into the brake adapter. Install the wheel speed sensor bolt and tighten the bolt to 5 ft. lbs. (7 Nm).
  4.  
  5. Install the brake hose and wheel speed sensor cable routing bracket on the rear strut bracket.
  6.  
  7. Place the sensor cable into the routing clips on the rear brake flex hose and chassis brake tube.
  8.  
  9. Plug the sensor connector into the vehicle wiring harness, then install the clip attaching the sensor cable connector to the body of the vehicle.
  10.  
  11. Install the tire and wheel, then carefully lower the vehicle to the ground.
  12.  
  13. Connect the negative battery cable. Road test the vehicle to assure proper brake system operation.
  14.  

 
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