Sierra, Silverado 2006-2007

Oil Pressure Sensor

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Removal & Installation



4.3L Engine
  1. Disconnect the electrical connector.
  2.  
  3. Hold the engine oil pressure sensor fitting with a wrench.
    NOTE
    Observe the alignment of the oil pressure sensor fitting prior to removal.

  4.  
  5. Remove the engine oil pressure sensor using J 41712.

    Click image to see an enlarged view

    Fig. Remove the engine oil pressure sensor using J 41712-4.3L engines

  6.  
  7. Remove the engine oil pressure sensor fitting, if necessary.
  8.  

To install:

  1. Install the oil pressure sensor fitting, if removed.
    1. Tighten the engine oil pressure sensor fitting to 133 inch lbs. (15 Nm).
    2.  
    3. Tighten the fitting until properly align.
    4.  
    5. Do not loosen the fitting. Do not tighten more than one turn.
    6.  

  2.  
  3. Install the oil pressure sensor.
  4.  
  5. Hold the oil pressure sensor fitting with a wrench to prevent from turning.
    1. Using J 41712 tighten the oil pressure sensor to 22 ft lbs. (30 Nm).
    2.  

  6.  
  7. Install the electrical connector.
  8.  

4.8L, 5.3L, 6.0L & 6.2L Engines
  1. If necessary, remove the engine sight shield.
  2.  
  3. Disconnect the oil pressure sensor electrical connector.
  4.  
  5. Using J 41712 or equivalent, remove the oil pressure sensor.

    Click image to see an enlarged view

    Fig. Using J 41712 or equivalent, remove the oil pressure sensor-4.8L, 5.3L, 6.0L and 6.2L engines

  6.  

To install:

  1. Apply sealant to the threads of the oil pressure sensor.
  2.  
  3. Using J 41712 or equivalent, install the oil pressure sensor.
    1. Tighten the oil pressure sensor to 26 ft. lbs. (35 Nm).
    2.  

  4.  
  5. Connect the oil pressure sensor electrical connector.
  6.  
  7. If necessary, install the engine sight shield.
  8.  

6.6L Engines
  1. Remove the left wheelhouse inner panel.
    NOTE
    Clean the area around the sensor. Do not allow debris to enter the engine.

  2.  
  3. Disconnect the oil pressure sensor electrical connector.
  4.  
  5. Using J 41712, remove the oil pressure sensor (1).

    Click image to see an enlarged view

    Fig. Using J 41712, remove the oil pressure sensor-6.6L engines

  6.  

To install:

  1. Apply sealant to the threads of the oil pressure sensor.
  2.  
  3. Using J 41712, install the oil pressure sensor (1).
    1. Tighten the sensor to 22 ft. lbs. (30 Nm).
    2.  

  4.  
  5. Connect the oil pressure sensor electrical connector.
  6.  
  7. Install the left wheelhouse inner panel.
  8.  
  9. Check and add engine oil if necessary.
  10.  

8.1L Engine
  1. Remove the engine sight shield.
  2.  
  3. Disconnect the oil pressure sensor electrical connector.
  4.  
  5. Using J 41712 or equivalent, remove the oil pressure sensor.

    Click image to see an enlarged view

    Fig. Using J 41712 or equivalent, remove the oil pressure sensor-8.1L engines

  6.  

To install:

  1. Apply sealant to the threads of the oil pressure sensor.
  2.  
  3. Using J 41712 or equivalent, install the oil pressure sensor.
    1. Tighten the sensor to 22 ft. lbs. (30 Nm).
    2.  

  4.  
  5. Connect the oil pressure sensor electrical connector.
  6.  
  7. Install the engine sight shield.
  8.  

Testing



  1. Check the oil level and correct as necessary. Turn the ignition switch on, but do not start the engine.
  2.  
  3. Disconnect the sensor lead at the sensor. The gauge should read full scale.
  4.  
  5. Ground the connector. The gauge should read at the bottom of the scale.
  6.  
  7. If the gauge functions properly, replace the sensor.
  8.  

 
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