CTS 2003-2005

Oil Pressure Sensor

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Removal & Installation



2.8L & 3.6L Engines
  1. Turn the ignition OFF .
  2.  
  3. Disconnect the oil pressure sensor electrical connector.
  4.  
  5. Remove the oil pressure sensor.

    Click image to see an enlarged view

    Fig. Oil pressure sensor location-2.8L

  6.  

To install:

  1. Install the oil pressure sensor and tighten to 15 ft. lbs. (20 Nm).
  2.  
  3. Connect the oil pressure sensor electrical connector.
  4.  

3.2L Engine
  1. Disconnect the electrical connector from the engine oil pressure switch located at the bottom front of the block.
  2.  
  3. Remove the engine oil pressure switch from the oil pump.
  4.  

To install:

  1. Install the oil pressure sensor and tighten to 30 ft. lbs. (40 Nm).
  2.  
  3. Connect the oil pressure sensor electrical connector.
  4.  

5.7L Engine
  1. Remove the fuel injector sight shield.
  2.  
  3. Disconnect the oil pressure sensor electrical connector located at the top rear of the engine block.
  4.  
  5. Remove the oil pressure sensor from the engine block.
  6.  

To install:

  1. Install the oil pressure sensor and tighten to 26 ft. lbs. (35 Nm).
  2.  
  3. Connect the oil pressure sensor electrical connector.
  4.  
  5. Install the fuel injector sight shield.
  6.  

 
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