GM Celebrity/Century/Ciera/6000 1982-1996 Repair Guide

Speed Sensors

Print

REMOVAL & INSTALLATION



Front Speed Sensor
PONTIAC 6000 AWD

See Figures 1 and 2

  1. To remove the wheel, loosen all the lug nuts at least one full turn, before raising the car.
  2.  
  3. Raise and safely support the vehicle.
  4.  
  5. Remove the tire and wheel.
  6.  
  7. Unplug the wheel sensor connector from the wiring harness.
  8.  
  9. Remove the sensor retaining screw.
  10.  



Click image to see an enlarged view

Fig. Fig. 1: The front wheel speed sensor is secured by a retaining screw

  1. Remove the wheel sensor and cable from the brackets.
  2.  
  3. Unseat the grommet and pull the cable and connector through the wheel housing.
  4.  

To install:
  1. Insert the cable and connector through the wheel housing, then seat the grommet in position.
  2.  

New wheel sensors are equipped with a paper spacer that will properly gap the sensor when placed against the sensor ring.

  1. Install the sensor and cable to the bracket. Make certain the cable is clear of the steering and axle housing components.
  2.  



Click image to see an enlarged view

Fig. Fig. 2: When you install the sensor and cable to the bracket, make certain the cable is clear of the steering and axle components

  1. Tighten the sensor retaining bolt to 53 inch lbs. (6 Nm).
  2.  
  3. If necessary, adjust the air gap to 0.028 in. (0.7mm) using a non-ferrous feeler gauge.
  4.  
  5. Tighten the sensor lockbolt to 18 inch lbs. (2 Nm).
  6.  
  7. Engage the wheel sensor connector.
  8.  
  9. Install the wheel and tire, hand-tighten the lug nuts.
  10.  
  11. Lower the vehicle, then tighten the lug nuts to 100 ft. lbs. (136 Nm).
  12.  

PONTIAC 6000 STE
  1. Unplug the sensor connector from the wiring harness.
  2.  
  3. To remove the wheel, loosen all the lug nuts at least one full turn, before raising the car.
  4.  
  5. Raise and safely support the vehicle.
  6.  
  7. Remove the wheel and tire.
  8.  
  9. Remove the sensor cables from the various clips and retainers.
  10.  
  11. Either remove the large cable grommets from there brackets or, if necessary, unbolt the bracket from the strut.
  12.  
  13. Remove the sensor retaining screw, then remove the sensor.
  14.  

To install:
  1. Coat the sensor body with anti-corrosion compound (GM 1052856 or an equivalent). Apply it where the sensor will contact the knuckle.
  2.  
  3. Install the sensor, then tighten the mounting bolt to 106 inch lbs. (12 Nm).
  4.  
  5. Position and install the cable into the grommets, clips and retainers. The cable must be secure in the retainers and clear of any moving parts. The cable must not be pulled too tight.
  6.  
  7. Connect the sensor to the wiring harness.
  8.  
  9. Install the wheel and tire, hand-tighten the lug nuts.
  10.  
  11. Lower the vehicle, then tighten the lug nuts to 100 ft. lbs. (136 Nm).
  12.  

Rear Speed Sensor
PONTIAC 6000 AWD

See Figures 3 and 4

  1. Unplug the speed sensor connector in the front corner of the trunk compartment. If the right rear connector is to be disconnected, the spare wheel and tire must be removed.
  2.  
  3. Release the cable grommet. Carefully work the sensor cable and connector through the hole in the body panel.
  4.  
  5. To remove the wheel, loosen all the lug nuts at least one full turn, before raising the car.
  6.  
  7. Raise and safely support the vehicle.
  8.  
  9. Remove the wheel and tire.
  10.  
  11. Remove the sensor mounting bolt, then remove the sensor from the caliper. Slide the grommets out of the slots in the brackets and cable guide.
  12.  



Click image to see an enlarged view

Fig. Fig. 3: Remove the sensor mounting bolt, then remove the sensor from the caliper. Slide the grommets out of the slots in the brackets and cable guide

  1. If the old sensor is to be reused, remove the paper spacer and any debris from the face of the sensor.
  2.  

To install:
  1. Install the sensor and tighten the retaining bolt to 80 inch lbs. (9 Nm). If reusing the old sensor, adjust the air gap.
  2.  

New wheel sensors are equipped with a paper spacer that will properly gap the sensor when placed against the sensor ring.

  1. Install the grommets into position on the brackets and cable guide.
  2.  
  3. Route the cable to avoid any contact with moving suspension components. Work the connector and cable up through the hole in the underbody, then fit the grommet into position in the hole.
  4.  



Click image to see an enlarged view

Fig. Fig. 4: Wiring harness routing for the rear speed sensors

  1. Install the wheel and tire, hand-tighten the lug nuts. Lower the vehicle and tighten the lug nuts to 100 ft. lbs. (136 Nm).
  2.  
  3. Engage the wheel sensor connector to the wiring harness.
  4.  
  5. Install the spare wheel and tire if removed, then secure the trunk carpet.
  6.  

Air Gap Adjustment

Only the front and rear sensors on the Pontiac 6000 AWD are adjustable. On the Pontiac 6000 STE, the gap is not adjustable.

  1. To remove the wheel, loosen all the lug nuts at least one full turn, before raising the car.
  2.  
  3. Raise and safely support the vehicle.
  4.  
  5. Remove the wheel and tire.
  6.  
  7. Loosen the sensor adjustment bolt for the front or rear sensor.
  8.  
  9. Inspect the face of the sensor for abnormal wear or damage. If necessary, replace the sensor.
  10.  

New sensors come with a paper spacer which will properly gap the sensor when placed against the speed sensor ring.

  1. If the sensor is to be reused, clean the face of the sensor of all traces of the paper spacer, dirt, dust, etc.
  2.  

To install:
  1. Reposition the sensor, then adjust the air gap to 0.028 in. (0.7mm) using a non-ferrous feeler gauge.
  2.  
  3. Tighten the adjustment screw to 18 inch lbs. (2 Nm).
  4.  
  5. Install the wheel and tire, hand-tighten the lug nuts.
  6.  
  7. Lower the vehicle, then tighten the lug nuts to 100 ft. lbs. (136 Nm).
  8.  

 
label.common.footer.alt.autozoneLogo