Aveo 2004-2005

Removal & Installation

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  1. Relieve the coolant system pressure.
  2.  
  3. Disconnect the negative battery cable.
  4.  
  5. Drain the coolant below the Engine Coolant Temperature (ECT) sensor level.
  6.  
  7. Disconnect the ECT sensor connector.
  8.  
  9. Remove the ECT sensor.
    NOTE
    Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.



    Click image to see an enlarged view

    Fig. The location of the Engine Coolant Temperature (ECT) sensor

  10.  

To install:

  1. Tighten the ECT sensor to 15 ft. lbs. (20 Nm).
  2.  
  3. Connect the ECT sensor connector.
  4.  
  5. Fill the cooling system.
  6.  
  7. Connect the negative battery cable
  8.  

  1. Relieve the coolant system pressure.
  2.  
  3. Disconnect the negative battery cable.
  4.  
  5. Drain the coolant below the Engine Coolant Temperature (ECT) sensor level.
  6.  
  7. Disconnect the ECT sensor connector.
  8.  
  9. Remove the ECT sensor.
    NOTE
    Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.

  10.  

To install:

  1. Tighten the ECT sensor to 15 ft. lbs. (20 Nm).
  2.  
  3. Connect the ECT sensor connector.
  4.  
  5. Fill the cooling system.
  6.  
  7. Connect the negative battery cable
  8.  

 
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