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Rear Wheel Speed Sensor: Installation

  1. If original sensor  is being installed, remove any remaining pieces of cardboard spacer from sensor pickup face. Use dry shop towel only to remove old spacer material.
  2. Insert sensor wire through support plate hole. Then seat sensor grommet in support plate.
  3. Apply Mopar Lock N' Seal or Loctite(R) 242 to original sensor bolt. Use new bolt if original is worn or damaged.
  4. Install sensor bolt finger tight only at this time.
  5. If original  rear sensor was installed, adjust sensor air gap to 0.28-1.5 mm (0.011-0.059 in.). Use feeler gauge to measure air gap (Fig 1 ). Tighten sensor bolt to 12-14 N.m (106-124 in. lbs.).
    Fig 1: Setting Air Gap On Original Rear Sensor
    G03486407Courtesy of DAIMLERCHRYSLER CORP.
  6. If new  sensor was installed, push cardboard spacer on sensor face against tone ring (Fig 2 ). Then tighten sensor bolt to 12-14 N.m (106-124 in. lbs.). Correct air gap will be established as tone ring rotates and peels spacer off sensor face.
    Fig 2: Identifying Rear Sensor
    G03486408Courtesy of DAIMLERCHRYSLER CORP.
  7. Secure the rear sensor wires to the retainer clips. Verify that wire is clear of rotating components.
  8. Connect sensor wire to harness connector.
  9. Install brake drum and wheel and tire assembly.
  10. Lower vehicle.
  11. Connect sensor wire to harness connector.