Bonneville, LeSabre, Park Avenue 2000-2005

Removal & Installation

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  1. Partially drain the engine coolant below the level of the engine coolant temperature (ECT) sensor.
  2.  
  3. Disconnect the ECT sensor electrical connector.
  4.  
  5. Carefully remove the ECT sensor from the cylinder head.
  6.  
  7. To install, reverse the removal procedure. Coat the sensor threads with sealant. Tighten the sensor to 15 ft. lbs. (20 Nm). Refill the engine coolant.
  8.  

 
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