Honda_Odyssey_2001-2006

Wheel Speed Sensors

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Inspection



2001-04 Models
  1. Check the magnetic encoder after cleaning the encoder. If necessary, replace the front wheel bearing or rear wheel bearing unit, as outlined in the Suspension & Steering Section.
  2.  
  3. Measure the air gap between the wheel sensor and the pulser all the way around while rotating the pulser. The specifications for the front are 0.02-0.04 in. (0.5-1.0mm) and for the rear are 0.01-0.04 in. (0.2-1.0mm). Remove the rear rotor to measure the gap on the rear wheel sensor. If the gap is more than 0.04 in. (1.0mm), check for a bent suspension arm.
    NOTE
    Install the wheel bearing with the magnetic encoder (brown color) toward the inside of the knuckle. Remove any oil, grease, dust, or other foreign material from the encoder surface. Keep magnetic tools away from the encoder surface. Be careful not to damage the encoder surface when you insert the wheel bearing.



    Click image to see an enlarged view

    Fig. Measuring the air gap between the front wheel speed sensor and pulser-2001-04 models



    Click image to see an enlarged view

    Fig. Measuring the air gap between the rear wheel speed sensor and pulser-2001-04 models

  4.  

2005-06 Models
  1. Check the magnetic encoder after cleaning the encoder. Make sure there is no metal or other debris stuck to the surface of the encoder.
  2.  
  3. Inspect the magnetic encoder for damager and replace if necessary.
  4.  
  5. Measure the air gap between the wheel sensor and the magnetic encoder all the way around while rotating the encoder. The air gap should be 0.01-0.06 in. (0.25-1.5mm) for the front and 0.02-0.05 in. (0.51-1.27mm) for the rear.
    NOTE
    Install the wheel bearing with the magnetic encoder (brown color) toward the inside of the knuckle. Remove any oil, grease, dust, or other foreign material from the encoder surface. Keep magnetic tools away from the encoder surface. Be careful not to damage the encoder surface when you insert the wheel bearing.



    Click image to see an enlarged view

    Fig. Measuring the air gap between the front wheel speed sensor (B) and magnetic encoder (A)-2005-06 models



    Click image to see an enlarged view

    Fig. Measuring the air gap between the rear wheel speed sensor (B) and magnetic encoder (A)-2005-06 models

  6.  

Removal & Installation



  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Raise and safely support the vehicle.
  4.  
  5. Remove the front or rear wheel(s), as applicable.
  6.  
  7. Detach the speed sensor electrical connector, unfasten the retainers, then remove the speed sensor.

    Click image to see an enlarged view

    Fig. View of the front wheel speed sensor-2001-04 models



    Click image to see an enlarged view

    Fig. View of the rear wheel speed sensor-2001-04 models



    Click image to see an enlarged view

    Fig. View of the front wheel speed sensor-2005-06 models



    Click image to see an enlarged view

    Fig. View of the rear wheel speed sensor-2005-06 models

  8.  

To install:


WARNING
Be careful not the twist the wires when installing the sensor.

  1. Install the speed sensor and tighten the retaining bolts to 7.2 ft. lbs. (9.8 Nm).
  2.  
  3. Attach the speed sensor connector.
  4.  
  5. Install the wheel(s).
  6.  
  7. Lower the vehicle.
  8.  

 
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