Aurora 2001-2003

Oil Pressure Sensor

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Removal & Installation



3.5L Engine
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Disconnect battery negative cable from battery and properly isolate to prevent accidental reconnection.
    NOTE
    Always turn the ignition OFF when connecting or disconnecting battery cables, battery chargers, or jumper cables. Failing to do so may damage the Powertrain Control Module (PCM) or other electronic components.


    NOTE
    The battery is located beneath the rear seat cushion.

  4.  
  5. Raise and support the vehicle.
  6.  
  7. Disconnect the electrical connector from the engine oil pressure switch.
  8.  
  9. Remove the engine oil pressure switch from the engine block.

    Click image to see an enlarged view

    Fig. Oil pressure sensor location-3.5L engine

  10.  

To install:

  1. Install the engine oil pressure switch to the engine block and tighten to 89 inch lbs. (10 Nm)
  2.  
  3. Connect the electrical connector to the engine oil pressure switch.
  4.  
  5. Lower the vehicle.
  6.  
  7. Inspect for oil leaks after engine start up.
  8.  
  9. Adjust the engine oil level to the full mark.
  10.  
  11. Reconnect the negative battery cable and reinstall the rear seat cushion.
  12.  

4.0L Engine
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Disconnect battery negative cable from battery and properly isolate to prevent accidental reconnection.
    NOTE
    Always turn the ignition OFF when connecting or disconnecting battery cables, battery chargers, or jumper cables. Failing to do so may damage the Powertrain Control Module (PCM) or other electronic components.


    NOTE
    The battery is located beneath the rear seat cushion.

  4.  
  5. Raise and support the vehicle.
  6.  
  7. Disconnect the electrical connector from the engine oil pressure switch.
  8.  
  9. Remove the engine oil pressure switch from the oil filter adapter.

    Click image to see an enlarged view

    Fig. Oil pressure sensor location-4.0L engine

  10.  

To install:

  1. Install the engine oil pressure switch to the oil filter adapter and tighten to 12 ft. lbs. (16 Nm)
  2.  
  3. Connect the electrical connector to the engine oil pressure switch.
  4.  
  5. Lower the vehicle.
  6.  
  7. Adjust the engine oil level to the full mark.
  8.  
  9. Inspect for oil leaks after engine start up.
  10.  
  11. Reconnect the negative battery cable and reinstall the rear seat cushion.
  12.  

 
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