PT Cruiser 2006-2007

Wheel Speed Sensors

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Removal & Installation



Front
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Raise and safely support the vehicle.
  4.  
  5. Disconnect the wheel speed sensor cable connector from the wiring harness on the inside of the frame rail above the front suspension crossmember. The connector has a locking tab which that must be pulled back before the connector release tang can be depressed, releasing the connection.
  6.  
  7. If the sensor being removed is a left front, unclip the speed sensor cable from the brake tube on the inside of and under the frame rail.
  8.  
  9. Remove the speed sensor cable grommet from the retaining bracket attached to the brake hose on the outside of the frame rail.
  10.  
  11. Remove the bolt mounting the wheel speed sensor head to the steering knuckle.
    CAUTION
    When removing a wheel speed sensor from the knuckle, do not use pliers on the sensor head. This may damage the sensor head. If the sensor has seized, use a hammer and a punch to tap the edge of the sensor head ear, rocking the sensor side-to-side until free.

  12.  
  13. Carefully, remove the sensor head and heat shield from the steering knuckle.
  14.  
  15. Remove the screw securing the wheel speed sensor to the rear of the strut. Remove the wheel speed sensor.

    Click image to see an enlarged view

    Fig. Wheel sensor cable routing path-left shown

  16.  

To install:

Click image to see an enlarged view

Fig. Wheel speed sensor shown at strut


WARNING
Failure to install speed sensor cables properly may result in contact with moving parts or an over extension of cables causing an open circuit. Be sure that cables are installed, routed, and clipped properly.

  1. Attach the wheel speed sensor to the strut using the mounting screw.
  2.  
  3. Install the wheel speed sensor head in the steering knuckle. Install the mounting bolt. Tighten the mounting bolt to a torque of 105 inch lbs. (12 Nm).
  4.  
  5. From the sensor bracket on the strut, loop the sensor cable upward, then downward at the outside of the frame rail. Install the speed sensor cable grommet onto the retaining bracket attached to the brake hose on the outside of the frame rail.
  6.  
  7. Loop the wheel speed sensor cable around the bottom of the frame rail and connect it to the wiring harness connector on the inside of the frame rail (. Remember to push in the locking tab on the connector.
  8.  
  9. If the sensor being installed is the left front, clip the speed sensor cable to the brake tube on the inside of and under the frame rail.
  10.  
  11. Install the tire and wheel assembly. Progressively tighten wheel mounting nuts to 100 ft. lbs. (136 Nm).
  12.  
  13. Lower the vehicle.
  14.  
  15. Road test the vehicle to ensure proper operation of the base brakes and the ABS system.
  16.  

Rear
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Raise and safely support the vehicle.
  4.  
  5. Remove the tire and wheel assembly from the vehicle.
  6.  
  7. Disconnect the wheel speed sensor cable connector from the vehicle wiring harness.
  8.  
  9. Remove the clip attaching wheel speed sensor cable connector to the vehicle body.
  10.  
  11. Disconnect the wheel speed sensor cable routing clips running along the brake tube, brake hose, and axle trailing arm.
    CAUTION
    When removing a wheel speed sensor from the rear disc brake adapter, do not use pliers on the sensor head. This may damage the sensor head. If the sensor has seized, use a hammer and a punch to tap the edge of the sensor head ear, rocking the sensor side-to-side until free.

  12.  
  13. Remove the bolt attaching the wheel speed sensor to the rear disc brake adapter or drum brake support plate, then carefully remove the sensor head from the rear disc brake adapter and vehicle.

    Click image to see an enlarged view

    Fig. Rear wheel speed sensor connection point

  14.  

To install:

Click image to see an enlarged view

Fig. Rear wheel speed sensor


CAUTION
Failure to install speed sensor cables properly may result in contact with moving parts or an over extension of cables causing an open circuit. Be sure that cables are installed, routed, and clipped properly.

  1. Install the wheel speed sensor head into the disc brake adapter or drum brake support plate.
  2.  
  3. Install the wheel speed sensor mounting bolt. Tighten the mounting bolt to a torque of 105 inch lbs. (12 Nm).
  4.  
  5. Install wheel speed sensor cable into the routing clips on the brake tube, brake hose and axle trailing arm.
  6.  
  7. Connect the wheel speed sensor cable connector into vehicle wiring harness. Install the clip attaching the wheel speed sensor cable connector to vehicle's body.
  8.  
  9. Install the tire and wheel assembly on vehicle. Progressively tighten wheel mounting nuts to 100 ft. lbs. (136 Nm).
  10.  
  11. Lower the vehicle.
  12.  
  13. Road test the vehicle to ensure proper operation of the base brakes and the ABS system.
  14.  

 
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