300, Magnum, 2005

Removal & Installation

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2.7L & 3.5L



  1. Disconnect negative battery cable.
  2.  
  3. Partially drain cooling system.
  4.  
  5. Disconnect the electrical connector (2).
  6.  
  7. Remove engine coolant sensor (1) from coolant outlet tube (3).
  8.  

To install:

  1. Apply thread sealant to sensor threads.
  2.  
  3. Install engine coolant temperature sensor (1) into coolant outlet tube (3).
  4.  
  5. Tighten sensor to 28 Nm (20 ft. lbs.) torque.
  6.  
  7. Connect electrical connector (2) to engine coolant temperature sensor (1).

    Click image to see an enlarged view

    Fig.



    Click image to see an enlarged view

    Fig.

  8.  

2.7L Engine




CAUTION
Hot, pressurized coolant can cause injury by scalding. Cooling system must be partially drained before removing the coolant temperature sensor.

  1. Disconnect the negative battery cable.
  2.  
  3. Partially drain cooling system.
  4.  
  5. Disconnect the electrical connector.
  6.  
  7. Remove the engine coolant sensor from coolant outlet tube.
  8.  

To install:

  1. Apply thread sealant to sensor threads.
  2.  
  3. Install engine coolant temperature sensor into coolant outlet tube. Tighten the sensor to 20 ft. lbs. (28 Nm).
  4.  
  5. Connect electrical connector to engine coolant temperature sensor.
  6.  
  7. Connect the negative battery cable and fill the cooling system.
  8.  

3.5L Engine




CAUTION
Hot, pressurized coolant can cause injury by scalding. Cooling system must be partially drained before removing the coolant temperature sensor.

  1. Disconnect negative battery cable.
  2.  
  3. Partially drain cooling system.
  4.  
  5. With the engine cold, disconnect coolant sensor electrical connector.
  6.  
  7. Remove sensor.
  8.  

To install:

  1. Install engine coolant temperature sensor and tighten to 20 ft. lbs. (28 Nm).
  2.  
  3. Attach electrical connector to sensor.
  4.  
  5. Connect negative battery cable and fill the cooling system.
  6.  

5.7L & 6.1L



The Engine Coolant Temperature (ECT) sensor on the 5.7L and 6.1L engines is located under the air conditioning compressor. It is installed into a water jacket at the front of the cylinder block.


CAUTION
HOT, PRESSURIZED COOLANT CAN CAUSE INJURY BY SCALDING. COOLING SYSTEM MUST BE PARTIALLY DRAINED BEFORE REMOVING THE COOLANT TEMPERATURE SENSOR.

  1. Partially drain the cooling system.
  2.  
  3. Remove accessory drive belt.
  4.  
  5. Carefully unbolt air conditioning compressor from front of engine. Do not disconnect any A/C hoses from compressor.
  6.  
  7. Temporarily support compressor to gain access to ECT sensor (3).
  8.  
  9. Disconnect electrical connector (2) from sensor (3).
  10.  
  11. Remove sensor (3) from cylinder block.

    Click image to see an enlarged view

    Fig.

  12.  

 
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