Chrysler Front Wheel Drive Cars 6-CYL 1988-1995 Repair Information

Wheel Speed Sensors (WSS)

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REMOVAL & INSTALLATION



Front Wheel

See Figure 1

  1. Elevate and safely support the vehicle. Remove the wheel and tire.
  2.  
  3. Remove the clip holding the wiring grommet to the fender well.
  4.  
  5. Remove the screws holding the sensor wiring tube to the fender well.
  6.  
  7. Carefully remove the grommet from the fender shield.
  8.  
  9. Make certain the ignition switch is OFF . Disconnect the sensor wiring from the ABS harness.
  10.  
  11. Remove the triangular retaining clip from the bracket on the strut. Not all vehicles have this clip.
  12.  
  13. Remove the sensor wiring grommets from the bracket.
  14.  
  15. Remove the fastener holding the sensor head.
  16.  
  17. 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.
  18.  



Click image to see an enlarged view

Fig. Fig. 1: Front wheel speed sensor location and cable routing

To install:
  1. Connect the speed sensor to the ABS harness.
  2.  
  3. Push the sensor assembly grommet into the the hole in the fender shield. Install the retainer clip and screw.
  4.  
  5. Install the sensor wiring tube and tighten the retaining bolts to 35 inch lbs. (4 Nm).
  6.  
  7. Install the sensor grommets into the brackets on the fender shield and strut. Install the retainer clip at the strut.
  8.  
  9. Install the sensor to the knuckle. Install the retaining screw and tighten it to 60 inch lbs. (7 Nm).
  10.  

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.

  1. Install the tire and wheel. Lower the vehicle to the ground.
  2.  

Rear Wheel

  1. Elevate and safely support the vehicle. Remove the wheel and tire.
  2.  
  3. Remove the sensor assembly grommet from the underbody and pull the harness through the hole in the body.
  4.  
  5. Make certain the ignition switch is OFF . Disconnect the sensor wiring from the ABS harness.
  6.  
  7. Remove the clip retaining screw from the bracket just forward of the trailing arm bushing.
  8.  
  9. Remove the sensor and brake tube assembly clip from the inboard side of the trailing arm.
  10.  
  11. Remove the sensor wire retainer from the rear brake hose bracket.
  12.  
  13. Remove the outboard sensor assembly nut. This nut is also used to hold the brake tube clip.
  14.  
  15. Remove the fastener holding the sensor head.
  16.  
  17. 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.
  18.  

To install:
  1. Before installation, coat the sensor with high temperature multi-purpose grease.
  2.  
  3. Install the sensor; install the retaining screw and tighten it to 60 inch lbs. (7 Nm).
  4.  
  5. Install the outboard retaining nut.
  6.  
  7. Install the clips and nuts at and around the trailing arm.
  8.  
  9. Connect the sensor wiring to the ABS harness; make sure the connector lock is engaged.
  10.  
  11. Push the sensor assembly grommet into the the hole in the underbody.
  12.  

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.

  1. Install the tire and wheel.
  2.  
  3. Lower the vehicle to the ground.
  4.  

 
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