Ram Truck 1500, 2500 & 3500 (2006-2008)

Removal & Installation

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3.7L & 4.7L Engines




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

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Partially drain the cooling system.
  4.  
  5. Disconnect the electrical connector from the Engine Coolant Temperature (ECT) sensor.
  6.  
  7. Remove the sensor from the intake manifold.
  8.  

To install:

  1. Apply thread sealant to ETC sensor threads.
  2.  
  3. Install the ETC sensor to engine.
  4.  
  5. Tighten the ETC sensor to 8 ft. lbs. (11 Nm).
  6.  
  7. Connect the electrical connector to ETC sensor.
  8.  
  9. Replace any lost engine coolant.
  10.  

5.7L Engine




CAUTION
Hot, pressurized coolant can cause injury by scalding. Cooling system must be partially drained before removing the Engine Coolant Temperature (ECT) sensor.

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Partially drain the cooling system.
  4.  
  5. Remove accessory drive belt
  6.  
  7. Carefully unbolt the air conditioning compressor from front of engine. Do not disconnect any A/C hoses from compressor.
  8.  
  9. Temporarily support the compressor to gain access to ECT sensor.
  10.  
  11. Disconnect the electrical connector from sensor.
  12.  
  13. Remove the ECT sensor from the cylinder block.
  14.  

To install:

  1. Apply thread sealant to ETC sensor threads.
  2.  
  3. Install the ETC sensor into engine.
  4.  
  5. Tighten the sensor to 8 ft. lbs. (11 Nm).
  6.  
  7. Connect the electrical connector to ETC sensor.
  8.  
  9. Install air conditioning compressor onto the front of engine
  10.  
  11. Install the accessory drive belt.
  12.  
  13. Replace any lost engine coolant.
  14.  

5.9L & 6.7L Diesel Engines




CAUTION
Hot, pressurized coolant can cause injury by scalding. Cooling system must be partially drained before removing the Engine Coolant Temperature (ECT) sensor.

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Partially drain the cooling system
  4.  
  5. Remove heat shield (if equipped).
  6.  
  7. Disconnect the electrical connector from the ETC sensor.
  8.  
  9. Remove the ETC sensor from the cylinder head.
  10.  

To install:

  1. Install the ECT sensor to the engine.
  2.  
  3. Tighten the ECT sensor to 13 ft. lbs (18 Nm).
  4.  
  5. Connect the electrical connector to the ETC sensor.
  6.  
  7. Install heat shield (if equipped).
  8.  
  9. Replace any lost engine coolant.
  10.  

 
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