300, Magnum, 2005

Ignition Coil

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Removal & Installation



5.7L Engine

The Engine Coolant Temperature (ECT) sensor on the 5.7L engine 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, as outlined in the Engine Mechanical section.
  4.  
  5. Carefully unbolt air conditioning compressor from front of engine. Do not disconnect any A/C hoses from compressor. Temporarily support compressor to gain access to ECT sensor.
  6.  
  7. Disconnect electrical connector from sensor.
  8.  
  9. Remove sensor from cylinder block.
  10.  

To install:

  1. Apply thread sealant to sensor threads.
  2.  
  3. Install ECT sensor to engine and tighten to 97 inch lbs. (11 Nm).
  4.  
  5. Connect electrical connector to ECT sensor.
  6.  
  7. Install the drive belt.
  8.  
  9. Fill the cooling system
  10.  

 
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