Canyon, Colorado 2004-2005

Wheel Speed Sensors

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Removal & Installation



2-Wheel Drive

CAUTION
Avoid taking the following actions when you service wheel brake parts:



Do not grind brake linings
 
Do not sand brake linings
 
Do not clean wheel brake parts with a dry brush or with compressed air Some models or aftermarket brake parts may contain asbestos fibers which can become airborne in dust. Breathing dust with asbestos fibers may cause serious bodily harm. Use a water-dampened cloth in order to remove any dust on brake parts. Equipment is available commercially in order to perform this washing function. These wet methods prevent fibers from becoming airborne.
 

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Raise and support the vehicle.
  4.  
  5. Remove the wheel and tire.
  6.  
  7. Remove the brake caliper bracket bolts.
    NOTE
    Support the brake caliper with heavy mechanic wire, or equivalent, whenever it is separated from its mount and the hydraulic flexible brake hose is still connected. Failure to support the caliper in this manner will cause the flexible brake hose to bear the weight of the caliper, which may cause damage to the brake hose and in turn may cause a brake fluid leak.

  8.  
  9. Without disconnecting the brake hose, remove the brake caliper and bracket as an assembly and support with heavy mechanics wire or equivalent.
    NOTE
    Note the location of the retainers for the wheel speed sensor to the upper control arm and the body to aid installation and ensure correct harness routing.

  10.  
  11. Release the retainers securing the wheel speed sensor wiring harness to the upper control arm.
  12.  
  13. Disconnect the wheel speed sensor electrical connector.
  14.  
  15. Remove the speed sensor electrical connector from the body.
    NOTE
    Note the orientation of the wheel speed sensor harness to the steering knuckle to ensure correct installation.

  16.  
  17. Using white or bright colored paint, mark the location of the speed sensor wiring harness to the steering knuckle.
  18.  
  19. Remove the wheel speed sensor harness bracket bolt.
  20.  
  21. Remove the wheel hub/bearing bolts.
  22.  
  23. Remove the brake rotor and the wheel hub/bearing as an assembly while routing the wheel speed sensor harness through the steering knuckle.
  24.  
  25. Using white or bright colored paint, mark the location of the wheel speed sensor harness to the wheel hub/bearing assembly.
    NOTE
    Do not lever or pry against the wheel speed sensor tone wheel under the wheel speed sensor. Lever against the wheel hub only.

  26.  
  27. Using a suitable tool, pry or lever the wheel speed sensor off of the wheel hub/bearing housing. Discard the wheel speed sensor.
  28.  

To install:


NOTE
Align the wheel speed sensor harness with the reference mark on the wheel hub/bearing assembly.

  1. Position the wheel speed sensor on the wheel hub/bearing assembly.
  2.  
  3. Carefully press the wheel speed sensor squarely onto the wheel hub/bearing assembly until fully seated against the lip of the wheel hub/bearing assembly housing.
    NOTE
    Align the wheel speed sensor harness with the reference mark on the steering knuckle.

  4.  
  5. Install the wheel hub/bearing and brake rotor assembly to the steering knuckle.
    NOTE
    Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  6.  
  7. Install the wheel hub/bearing bolts. Tighten the bolts to 92 ft. lbs. (125 Nm).
  8.  
  9. Install the wheel speed sensor harness bracket bolt. Tighten the bolt to 14 ft lbs. (20 Nm).
  10.  
  11. Install the wheel speed sensor harness retaining clips to the upper control arm.
  12.  
  13. Install the wheel speed sensor harness connector to the body. Connect the wheel speed sensor harness electrical connector.
  14.  
  15. Install the brake caliper and bracket assembly to the steering knuckle.
  16.  
  17. Install the brake caliper bracket bolts. Tighten the bolts to 129 ft. lbs. (175 Nm).
  18.  
  19. Install the tire and wheel.
  20.  
  21. Lower the vehicle.
  22.  

4-Wheel Drive

CAUTION
Avoid taking the following actions when you service wheel brake parts:



Do not grind brake linings
 
Do not sand brake linings
 
Do not clean wheel brake parts with a dry brush or with compressed air Some models or aftermarket brake parts may contain asbestos fibers which can become airborne in dust. Breathing dust with asbestos fibers may cause serious bodily harm. Use a water-dampened cloth in order to remove any dust on brake parts. Equipment is available commercially in order to perform this washing function. These wet methods prevent fibers from becoming airborne.
 

  1. Remove the steering knuckle.
  2.  
  3. Remove the wheel speed sensor harness bracket bolt from the steering knuckle.
    NOTE
    Note the orientation of the wheel speed sensor harness to the steering knuckle to ensure correct installation.

  4.  
  5. Using white or bright colored paint, mark the location of the wheel speed sensor harness to the steering knuckle.
  6.  
  7. Remove the wheel hub/bearing bolts.
  8.  
  9. Remove the brake rotor and the wheel hub/bearing as an assembly from the steering knuckle while routing the wheel speed sensor harness through the steering knuckle.
  10.  
  11. Using white or bright colored paint, mark the location of the wheel speed sensor harness to the wheel hub/bearing assembly.
    NOTE
    Do not lever or pry against the wheel speed sensor tone wheel under the wheel speed sensor. Lever against the wheel hub only.

  12.  
  13. Using a suitable tool, pry or lever the wheel speed sensor off of the wheel hub/bearing housing. Discard the wheel speed sensor.
  14.  

To install:


NOTE
Align the wheel speed sensor harness with the reference mark on the wheel hub/bearing assembly.

  1. Position the wheel speed sensor on the wheel hub/bearing assembly.
  2.  
  3. Carefully press the wheel speed sensor squarely onto the wheel hub/bearing assembly until fully seated against the lip of the wheel hub/bearing assembly housing.
    NOTE
    Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.


    NOTE
    Align the wheel speed sensor harness with the reference mark on the steering knuckle.

  4.  
  5. Install the brake rotor and wheel hub/bearing assembly to the steering knuckle.
  6.  
  7. Install the wheel hub/bearing bolts. Tighten the bolts to 92 ft. lbs. (125 Nm).
  8.  
  9. Install the wheel speed sensor harness bracket bolt to the steering knuckle. Tighten the bolt to 14 ft. lbs. (20 Nm).
  10.  
  11. Install the steering knuckle assembly.
  12.  

 
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